Abstract:
:In the present work, the hypothesis that the ontogenetic development of the corpus callosum (CC) affects the establishment of behavioral lateralization was tested by studying paw preference performance in adult Swiss mice that were subjected to mid-sagittal transection of the CC on the first postnatal day. Magnitude and direction of laterality were evaluated independently. No significant differences between groups were found for the magnitude of paw preference. On the other hand, the transected group presented a significant populational bias favoring the left paw that was not present in the control groups. These results lend support to the hypothesis that the development of the CC plays a role in the establishment of the normal pattern of behavioral lateralization.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
Manhães AC,Krahe TE,Caparelli-Dáquer E,Ribeiro-Carvalho A,Schmidt SL,Filgueiras CCdoi
10.1016/s0304-3940(03)00746-8keywords:
subject
Has Abstractpub_date
2003-09-11 00:00:00pages
69-72issue
2eissn
0304-3940issn
1872-7972pii
S0304394003007468journal_volume
348pub_type
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