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|EXHIBIT 32.1
        CERTIFICATION
      Pursuant to the requirements set forth in Rule 13a-14(b) of the Securities Exchange Act of 1934, as
        amended, and Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. § 1350,
        as adopted, the Sarbanes-Oxley Act), Robert C. Bowen, the Chief Executive Officer of
        Scientific Learning Corporation (the Company), hereby certifies that, to the best of
        his knowledge:
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| | 1. | The Companys Annual Report on Form 10-K for the period ended December 31, 2006, to which this

      Certification is attached as Exhibit 32.1 (the Periodic Report), fully complies with

      the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934, as amended;

      and
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| | 2. | The information contained in the Periodic Report fairly presents, in all material respects, the financial
      condition and results of operations of the Company.                                                                                                                                                  
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|Dated:    March 5, 2007              | 
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|/s/ Robert C. Bowen                  | 
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|Robert C. Bowen                      | 
|Chairman and Chief Executive Officer | 

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|This certification accompanies and is being furnished with this Periodic Report, shall

        not be deemed filed by the Company for purposes of Section 18 of the Securities Exchange

        Act of 1934, as amended or otherwise subject to liability under that Section and shall not be deemed

        to be incorporated by reference into any filing of the Company under the Securities Act of 1933,

        as amended, or the Securities Exchange Act of 1934, as amended, whether made before or after the

        date of this Periodic Report, irrespective of any general incorporation language contained in such

        filing.

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