SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  Schedule 13G


   INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1 (b),
         (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2 (b)
                               (Amendment No. 1)*


                                NeuroMetrix, Inc.
--------------------------------------------------------------------------------
                                (Name of Issuer)


                                  Common Stock
--------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                    641255104
--------------------------------------------------------------------------------
                                 (CUSIP Number)


                                December 31, 2005
--------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)


Check the  appropriate box to designate the rule pursuant to which this Schedule
is filed:

        [ ]          Rule 13d-1(b)

        [ ]          Rule 13d-1(c)

        [X]          Rule 13d-1(d)

*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for  any  subsequent   amendment   containing   information  which  would  alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).

                         (Continued on following pages)


                               Page 1 of 12 Pages
                            Exhibit Index on Page 11




---------------------------------------------------------- ------------------- --------------------------------------
CUSIP NO. 641255104                                               13 G                  Page 2 of 12 Pages
---------------------------------------------------------- ------------------- --------------------------------------

------------ ---------------------------------------------------------------------------------------------------------
                               
1            NAME OF REPORTING
             SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                      Delphi Ventures IV, L.P. ("DV IV")
                      Tax ID Number:
------------ ---------------------------------------------------------------------------------------------------------
2            CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                                                   (a)              (b) X
------------ ---------------------------------------------------------------------------------------------------------
3            SEC USE ONLY

------------ ---------------------------------------------------------------------------------------------------------
4            CITIZENSHIP OR PLACE OF ORGANIZATION

                      Delaware
------------ ---------------------------------------------------------------------------------------------------------

             NUMBER OF
              SHARES                 5        SOLE VOTING POWER
           BENEFICIALLY                       0 shares
           OWNED BY EACH
             REPORTING
              PERSON
               WITH
                                     -------- ------------------------------------------------------------------------
                                     6        SHARED VOTING POWER
                                              0 shares
                                     -------- ------------------------------------------------------------------------
                                     7        SOLE DISPOSITIVE POWER
                                              0 shares
                                     -------- ------------------------------------------------------------------------
                                     8        SHARED DISPOSITIVE POWER
                                              0 shares
------------------------------------ -------- ------------------------------------------------------------------------
9            AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
             REPORTING PERSON                                                                       0
------------ ---------------------------------------------------------------------------------------------------------
10           CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
             EXCLUDES CERTAIN SHARES                                                                [ ]
------------ ---------------------------------------------------------------------------------------------------------
11           PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                    0%
------------ ---------------------------------------------------------------------------------------------------------
12           TYPE OF REPORTING PERSON
                                                                                                    PN
------------ ---------------------------------------------------------------------------------------------------------




---------------------------------------------------------- ------------------- --------------------------------------
CUSIP NO. 641255104                                               13 G                  Page 3 of 12 Pages
---------------------------------------------------------- ------------------- --------------------------------------

------------ ---------------------------------------------------------------------------------------------------------
                               
1            NAME OF REPORTING
             SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                      Delphi BioInvestments IV, L.P. ("DBI IV")
                      Tax ID Number:
------------ ---------------------------------------------------------------------------------------------------------
2            CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                                                   (a)            (b) X
------------ ---------------------------------------------------------------------------------------------------------
3            SEC USE ONLY

------------ ---------------------------------------------------------------------------------------------------------
4            CITIZENSHIP OR PLACE OF ORGANIZATION

                      Delaware
------------ ---------------------------------------------------------------------------------------------------------

             NUMBER OF
              SHARES                 5        SOLE VOTING POWER
           BENEFICIALLY                       0 shares
           OWNED BY EACH
             REPORTING
              PERSON
               WITH
                                     -------- ------------------------------------------------------------------------
                                     6        SHARED VOTING POWER
                                              0 shares
                                     -------- ------------------------------------------------------------------------
                                     7        SOLE DISPOSITIVE POWER
                                              0 shares
                                     -------- ------------------------------------------------------------------------
                                     8        SHARED DISPOSITIVE POWER
                                              0 shares
------------------------------------ -------- ------------------------------------------------------------------------
9            AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
             REPORTING PERSON                                                                       0
------------ ---------------------------------------------------------------------------------------------------------
10           CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
             EXCLUDES CERTAIN SHARES                                                                 [ ]
------------ ---------------------------------------------------------------------------------------------------------
11           PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                    0%
------------ ---------------------------------------------------------------------------------------------------------
12           TYPE OF REPORTING PERSON
                                                                                                    PN
------------ ---------------------------------------------------------------------------------------------------------




---------------------------------------------------------- ------------------- --------------------------------------
CUSIP NO. 641255104                                               13 G                  Page 4 of 12 Pages
---------------------------------------------------------- ------------------- --------------------------------------

------------ ---------------------------------------------------------------------------------------------------------
                               
1            NAME OF REPORTING
             SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                      Delphi Management Partners IV, L.L.C. ("DMP IV")
                                 Tax ID Number:
------------ ---------------------------------------------------------------------------------------------------------
2            CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                                                    (a)           (b) X
------------ ---------------------------------------------------------------------------------------------------------
3            SEC USE ONLY

------------ ---------------------------------------------------------------------------------------------------------
4            CITIZENSHIP OR PLACE OF ORGANIZATION

                      Delaware
------------ ---------------------------------------------------------------------------------------------------------

             NUMBER OF
              SHARES                 5        SOLE VOTING POWER
           BENEFICIALLY                       0 shares
           OWNED BY EACH
             REPORTING
              PERSON
               WITH
                                     -------- ------------------------------------------------------------------------
                                     6        SHARED VOTING POWER
                                              0 shares
                                     -------- ------------------------------------------------------------------------
                                     7        SOLE DISPOSITIVE POWER
                                              0 shares
                                     -------- ------------------------------------------------------------------------
                                     8        SHARED DISPOSITIVE POWER
                                              0 shares
------------------------------------ -------- ------------------------------------------------------------------------
9            AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
             REPORTING PERSON                                                                       0
------------ ---------------------------------------------------------------------------------------------------------
10           CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
             EXCLUDES CERTAIN SHARES                                                                [ ]
------------ ---------------------------------------------------------------------------------------------------------
11           PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                    0%
------------ ---------------------------------------------------------------------------------------------------------
12           TYPE OF REPORTING PERSON
                                                                                                    OO
------------ ---------------------------------------------------------------------------------------------------------




---------------------------------------------------------- ------------------- --------------------------------------
CUSIP NO. 641255104                                               13 G                  Page 5 of 12 Pages
---------------------------------------------------------- ------------------- --------------------------------------

------------ ---------------------------------------------------------------------------------------------------------
                               
1            NAME OF REPORTING
             SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                      James J. Bochnowski ("Bochnowski")
                                 Tax ID Number:
------------ ---------------------------------------------------------------------------------------------------------
2            CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                                                   (a)           (b)  X
------------ ---------------------------------------------------------------------------------------------------------
3            SEC USE ONLY

------------ ---------------------------------------------------------------------------------------------------------
4            CITIZENSHIP OR PLACE OF ORGANIZATION

                                  U.S. Citizen
------------ ---------------------------------------------------------------------------------------------------------

             NUMBER OF
              SHARES                 5        SOLE VOTING POWER
           BENEFICIALLY                       0 shares
           OWNED BY EACH
             REPORTING
              PERSON
               WITH
                                     -------- ------------------------------------------------------------------------
                                     6        SHARED VOTING POWER
                                              0 shares
                                     -------- ------------------------------------------------------------------------
                                     7        SOLE DISPOSITIVE POWER
                                              0 shares
                                     -------- ------------------------------------------------------------------------
                                     8        SHARED DISPOSITIVE POWER
                                              0 shares
------------------------------------ -------- ------------------------------------------------------------------------
9            AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
             REPORTING PERSON                                                                       0
------------ ---------------------------------------------------------------------------------------------------------
10           CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
             EXCLUDES CERTAIN SHARES                                                               [ ]
------------ ---------------------------------------------------------------------------------------------------------
11           PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                    0%
------------ ---------------------------------------------------------------------------------------------------------
12           TYPE OF REPORTING PERSON
                                                                                                    IN
------------ ---------------------------------------------------------------------------------------------------------





---------------------------------------------------------- ------------------- --------------------------------------
CUSIP NO. 641255104                                               13 G                  Page 6 of 12 Pages
---------------------------------------------------------- ------------------- --------------------------------------

------------ ---------------------------------------------------------------------------------------------------------
                               
1            NAME OF REPORTING
             SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                      David L. Douglass ("Douglass")
                                 Tax ID Number:
------------ ---------------------------------------------------------------------------------------------------------
2            CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                                                   (a)           (b)  X
------------ ---------------------------------------------------------------------------------------------------------
3            SEC USE ONLY

------------ ---------------------------------------------------------------------------------------------------------
4            CITIZENSHIP OR PLACE OF ORGANIZATION

             U.S. Citizen
------------ ---------------------------------------------------------------------------------------------------------

             NUMBER OF
              SHARES                 5        SOLE VOTING POWER
           BENEFICIALLY                       0 shares
           OWNED BY EACH
             REPORTING
              PERSON
               WITH
                                     -------- ------------------------------------------------------------------------
                                     6        SHARED VOTING POWER
                                              0 shares
                                     -------- ------------------------------------------------------------------------
                                     7        SOLE DISPOSITIVE POWER
                                              0 shares
                                     -------- ------------------------------------------------------------------------
                                     8        SHARED DISPOSITIVE POWER
                                              0 shares
------------------------------------ -------- ------------------------------------------------------------------------
9            AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
             REPORTING PERSON                                                                       0
------------ ---------------------------------------------------------------------------------------------------------
10           CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
             EXCLUDES CERTAIN SHARES                                                                [ ]
------------ ---------------------------------------------------------------------------------------------------------
11           PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                    0%
------------ ---------------------------------------------------------------------------------------------------------
12           TYPE OF REPORTING PERSON
                                                                                                    IN
------------ ---------------------------------------------------------------------------------------------------------





---------------------------------------------------------- ------------------- --------------------------------------
CUSIP NO. 641255104                                               13 G                  Page 7 of 12 Pages
---------------------------------------------------------- ------------------- --------------------------------------

------------ ---------------------------------------------------------------------------------------------------------
                               
1            NAME OF REPORTING
             SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                      Donald J. Lothrop ("Lothrop")
                                 Tax ID Number:
------------ ---------------------------------------------------------------------------------------------------------
2            CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                                                   (a)         (b)  X
------------ ---------------------------------------------------------------------------------------------------------
3            SEC USE ONLY

------------ ---------------------------------------------------------------------------------------------------------
4            CITIZENSHIP OR PLACE OF ORGANIZATION

             U.S. Citizen
------------ ---------------------------------------------------------------------------------------------------------

             NUMBER OF
              SHARES                 5        SOLE VOTING POWER
           BENEFICIALLY                       0 shares
           OWNED BY EACH
             REPORTING
              PERSON
               WITH
                                     -------- ------------------------------------------------------------------------
                                     6        SHARED VOTING POWER
                                              0 shares
                                     -------- ------------------------------------------------------------------------
                                     7        SOLE DISPOSITIVE POWER
                                              0 shares
                                     -------- ------------------------------------------------------------------------
                                     8        SHARED DISPOSITIVE POWER
                                              0 shares
------------------------------------ -------- ------------------------------------------------------------------------
9            AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
             REPORTING PERSON                                                                       0
------------ ---------------------------------------------------------------------------------------------------------
10           CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
             EXCLUDES CERTAIN SHARES                                                                [ ]
------------ ---------------------------------------------------------------------------------------------------------
11           PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                                                                                    0%
------------ ---------------------------------------------------------------------------------------------------------
12           TYPE OF REPORTING PERSON
                                                                                                    IN
------------ ---------------------------------------------------------------------------------------------------------




                                                             Page 8 of 12 Pages


          This  Amendment  No. 1 amends the  previous  statement on Schedule 13G
          filed by Delphi Ventures IV, L.P., a Delaware limited partnership ("DV
          IV"), Delphi  BioInvestments IV, L.P., a Delaware limited  partnership
          ("DBI IV"), Delphi Management  Partners IV, L.L.C., a Delaware limited
          liability  company ("DMP IV") and the general partner of DV IV and DBI
          IV, James J. Bochnowski ("Bochnowski"), David L. Douglass ("Douglass")
          and Donald J. Lothrop ("Lothrop"), the managing members of DMP IV. The
          foregoing entities and individuals are collectively referred to as the
          "Reporting  Persons".  Only those  items as to which  there has been a
          change are included in this Amendment No. 1.

          DMP IV is the general partner of DV IV and DBI IV and may be deemed to
          have sole  power to vote and sole  power to  dispose  of shares of the
          issuer  directly owned by DV IV and DBI IV.  Bochnowski,  Douglass and
          Lothrop are the  managing  members of DMP IV and may be deemed to have
          shared  power to vote and shared power to dispose of the shares of the
          issuer directly owned by DV IV and DBI IV.

ITEM 4.   OWNERSHIP:
          ----------

          The following  information with respect to the ownership of the Common
          Stock of the issuer by the persons  filing this  Statement is provided
          as of December 31, 2005

                (a) Amount beneficially owned:
                    --------------------------

                See Row 9 of cover page for each Reporting Person.

                (b) Percent of Class:
                    -----------------

                See Row 11 of cover page for each Reporting Person.

                (c) Number of shares as to which such person has:
                    ---------------------------------------------

                         (i)  Sole power to vote or to direct the vote:
                              -----------------------------------------

                               See  Row  5 of  cover  page  for  each  Reporting
                               Person.

                         (ii) Shared power to vote or to direct the vote:
                              -------------------------------------------

                               See  Row  6 of  cover  page  for  each  Reporting
                               Person.

                         (iii) Sole   power  to   dispose   or  to  direct   the
                               -------------------------------------------------
                               disposition of:
                               ---------------

                               See  Row  7 of  cover  page  for  each  Reporting
                               Person.

                         (iv) Shared   power  to   dispose   or  to  direct  the
                              --------------------------------------------------
                              disposition of:
                              ---------------

                               See  Row  8 of  cover  page  for  each  Reporting
                               Person.


ITEM 5.           OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS:
                  ---------------------------------------------

          If this  statement  is being  filed to report  the fact that as of the
          date hereof the reporting person has ceased to be the beneficial owner
          of more  than  five  percent  of the  class of  securities,  check the
          following: [X] Yes


                                                             Page 9 of 12 Pages


                                   SIGNATURES
                                   ----------


     After  reasonable  inquiry and to the best of my  knowledge  and belief,  I
certify that the information  set forth in this statement is true,  complete and
correct.


Dated:  February __, 2006


                                     DELPHI VENTURES IV, L.P., a Delaware
                                       Limited Partnership


                                     By:  Delphi Management Partners IV, L.L.C.,
                                          a Delaware Limited Liability Company
                                          Its General Partner



                                     By:    /s/ James J. Bochnowski
                                            ------------------------------------
                                            James J. Bochnowski
                                            Member


                                     DELPHI BIOINVESTMENTS IV, L.P.,
                                       a Delaware Limited Partnership

                                     By:  Delphi Management Partners IV, L.L.C.,
                                          a Delaware Limited Liability Company
                                          Its General Partner



                                     By:    /s/ James J. Bochnowski
                                            ------------------------------------
                                            James J. Bochnowski
                                            Member


                                     DELPHI MANAGEMENT PARTNERS IV, L.L.C.,
                                       a Delaware Limited Liability Company


                                     By:    /s/ James J. Bochnowski
                                            ------------------------------------
                                            James J. Bochnowski
                                            Member




                                                             Page 10 of 12 Pages


                                     JAMES J. BOCHNOWSKI


                                     By:     /s/ James J. Bochnowski
                                            ------------------------------------
                                            James J. Bochnowski


                                     DAVID L. DOUGLASS


                                     By:    /s/ David L. Douglass
                                            ------------------------------------
                                            David L. Douglass


                                     DONALD J. LOTHROP


                                          By:    /s/ Donald J. Lothrop
                                                 -------------------------------
                                                 Donald J. Lothrop


                                                             Page 11 of 12 Pages


                                  EXHIBIT INDEX
                                  -------------


                                                            Found on
                                                          Sequentially
Exhibit                                                   Numbered Page
-------                                                   -------------

Exhibit A:  Agreement of Joint Filing                          12





                                                             Page 12 of 12 Pages


                                    EXHIBIT A
                                    ---------


                            Agreement of Joint Filing
                            -------------------------


     The  undersigned  hereby agree that a single Schedule 13G (or any amendment
thereto)  relating to the Common Stock of  NeuroMetrix,  Inc.  shall be filed on
behalf of each of the  undersigned  and that this Agreement shall be filed as an
exhibit to such Schedule 13G.

Date:  February __, 2006

February __, 2006                  DELPHI MANAGEMENT PARTNERS IV, L.L.C.,
                                   a Delaware Limited Liability Company


                                   By:    /s/ James J. Bochnowski
                                         ------------------------------------
                                         James J. Bochnowski, Member


February __, 2006                  DELPHI VENTURES IV, L.P.,
                                   a Delaware Limited Partnership

                                   By:   Delphi Management Partners IV, L.L.C.,
                                         a Delaware Limited Liability Company
                                         Its General Partner


                                   By:    /s/ James J. Bochnowski
                                         ------------------------------------
                                         James J. Bochnowski, Member


February __, 2006                  DELPHI BIOINVESTMENTS IV, L.P.,
                                   a Delaware Limited Partnership

                                   By:   Delphi Management Partners IV, L.L.C.,
                                         a Delaware Limited Liability Company
                                         Its General Partner


                                   By:   /s/ James J. Bochnowski
                                         ------------------------------------
                                         James J. Bochnowski, Member


February __, 2006                  By:    /s/ James J. Bochnowski
                                         ------------------------------------
                                         James J. Bochnowski


February __, 2006                  By:   /s/ David L. Douglass
                                         ------------------------------------
                                         David L. Douglass


February __, 2006                  By:    /s/ Donald J. Lothrop
                                         ------------------------------------
                                         Donald J. Lothrop