Abstract:
:The relationship between the entorhinal cortex and prepulse inhibition (PPI) as well as the nucleus accumbens dopaminergic participation in acoustic startle were examined in rats. After the entorhinal cortex was damaged bilaterally using ibotenic acid, a microdialysis probe was placed in the nucleus accumbens for detection of dopamine before, during and after acoustic startle stimuli. In rats with bilateral entorhinal cortex lesions PPI was reduced, and extracellular dopamine in the nucleus accumbens was elevated with or without acoustic stimuli. The entorhinal cortex and the sensorimotor gating system thus may be related via dopaminergic connections in the nucleus accumbens, even though dopamine release did not coincide completely with acoustic startle stimuli.
journal_name
Psychiatry Clin Neuroscijournal_title
Psychiatry and clinical neurosciencesauthors
Goto K,Ueki A,Iso H,Morita Ydoi
10.1111/j.1440-1819.2004.01281.xsubject
Has Abstractpub_date
2004-08-01 00:00:00pages
441-5issue
4eissn
1323-1316issn
1440-1819pii
PCN1281journal_volume
58pub_type
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