Postnatal Changes in the Afferent Innervation of Hair Cells in the Rodent Cochlea
{'Code': '08090200', 'Directorate': {'Abbreviation': 'BIO', 'LongName': 'Direct For Biological Sciences'}, 'Division': {'Abbreviation': 'IOS', 'LongName': 'Division Of Integrative Organismal Systems'}}
{'SignBlockName': 'Christopher Platt', 'PO_EMAI': None, 'PO_PHON': None}
The adult mammalian cochlea contains at least two morphological                 types of spiral ganglion neurons.  Type-I spiral ganglion cells                 contact inner hair cells via thick radial fibers while type-II                  spiral ganglion cells contact outer hair cells via thinner outer                spiral fibers.  However, in newborn cochlea spiral ganglion cells               appear as a homogeneous population, and some spiral ganglion                    cells appear to contact both inner and outer hair cells.                                                                                                        This research on guinea pigs and hamsters will focus on the                     spiral ganglion cell innervation of outer hair cells at a single-               cell level.  The overall objective of this research is to gain                  additional insights into the role of type-II neurons in hearing                 by extensively studying their anatomical development.  Such a                   systematic study will help to further resolve how adult                         innervation patterns arise.
{'FirstName': 'Dwayne', 'LastName': 'Simmons', 'PI_MID_INIT': 'D', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Dwayne D Simmons', 'EmailAddress': None, 'NSF_ID': '000286153', 'StartDate': '04/15/1988', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
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{'Code': '9120', 'Text': 'CROSS-DIRECTORATE PROGRAMS'}
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