Genesis and Migration of Sexually Dimorphic Vocal Neurons
{'Code': '08090200', 'Directorate': {'Abbreviation': 'BIO', 'LongName': 'Direct For Biological Sciences'}, 'Division': {'Abbreviation': 'IOS', 'LongName': 'Division Of Integrative Organismal Systems'}}
{'SignBlockName': 'Kathie L. Olsen', 'PO_EMAI': None, 'PO_PHON': None}
The overall goal of this research is to understand the mechanisms               by which gonadal steroid hormones influence the development and                 adult function of neurons that participate in behavior.  The                    effects of steroids on behavior are believed to be exerted by                   action on the central nervous system.  There are marked                         differences in the central nervous system of males and females.                 Among the most striking of these are examples of differences in                 the number of motor neurons that innervate effector muscles for                 behavioral expression.  These differences correlate with                        behavioral differences, but it is not clear how sexually                        dimorphic morphology contributes to sexually dimorphic function.                Of considerable interest are the developmental processes that                   give rise to morphological differences.  We do not yet know how                 sex differences arise in the neuroeffector systems that produce                 sexually differentiated behavior.  This research contains                       experimental approaches to determine  when and how sex                          differences in the motor neurons that produce sexually dimorphic                behavior develop in the clawed frog, Xenopus laevis.
[{'FirstName': 'Dennis', 'LastName': 'Gorlick', 'PI_MID_INIT': 'L', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Dennis L Gorlick', 'EmailAddress': None, 'NSF_ID': '000326548', 'StartDate': '04/15/1988', 'EndDate': None, 'RoleCode': 'Principal Investigator'}, {'FirstName': 'Darcy', 'LastName': 'Kelley', 'PI_MID_INIT': 'B', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Darcy B Kelley', 'EmailAddress': 'dbk3@columbia.edu', 'NSF_ID': '000147975', 'StartDate': '04/15/1988', 'EndDate': None, 'RoleCode': 'Co-Principal Investigator'}]
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[{'Code': '1190', 'Text': 'DEVELOPMENTAL NEUROSCIENCE'}, {'Code': '1193', 'Text': 'NEUROENDOCRINOLOGY'}, {'Code': '9145', 'Text': 'SPECIAL PROGRAMS-RESERVE'}]
{'url': 'https://www.nsf.gov/awardsearch/download?DownloadFileName=1987&All=true', 'xml': '8719063.xml'}