Abstract:
:The kinematic parameters of air-stepping induced by 2 methods known to elicit locomotion (olfactory stimulation vs. L-dopa injection) were compared in 3-day-old rats. In the 1st stage, suspended pups were induced to step with an olfactory stimulus of soiled shavings from the nest. In the 2nd stage, they received a subcutaneous injection of L-dopa. Their movements were faster, with a larger amplitude and a phase delay in ipsilateral coupling. Third, the olfactory stimulus was presented in conjunction with L-dopa. The characteristics of locomotion returned to the same level as with the olfactory stimulus alone. These results suggest that olfactory stimulation involves higher nerve centers able to modulate the dopaminergic pathways. They are discussed in relation to the neural structure involved in locomotion.
journal_name
Behav Neuroscijournal_title
Behavioral neuroscienceauthors
Jamon M,Maloum I,Riviere G,Bruguerolle Bdoi
10.1037//0735-7044.116.6.1014subject
Has Abstractpub_date
2002-12-01 00:00:00pages
1014-21issue
6eissn
0735-7044issn
1939-0084journal_volume
116pub_type
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