The effect of apomorphine and buspirone on regional cerebral blood flow during the performance of a cognitive task-measuring neuromodulatory effects of psychotropic drugs in man.

Details

Serval ID
serval:BIB_D7509A594996
Type
Article: article from journal or magazin.
Collection
Publications
Title
The effect of apomorphine and buspirone on regional cerebral blood flow during the performance of a cognitive task-measuring neuromodulatory effects of psychotropic drugs in man.
Journal
European Journal of Neuroscience
Author(s)
Grasby P.M., Friston K.J., Bench C.J., Frith C.D., Paulesu E., Cowen P.J., Liddle P.F., Frackowiak R.S., Dolan R.
ISSN
0953-816X (Print)
ISSN-L
0953-816X
Publication state
Published
Issued date
1992
Volume
4
Number
12
Pages
1203-1212
Language
english
Notes
Publication types: Journal ArticlePublication Status: ppublish
Abstract
Psychopharmacological activation, in conjunction with positron emission tomographic measurements of regional cerebral blood flow (rCBF), was used to investigate the neurotransmitter basis of a specific cognitive function in man. Monoaminergic neurotransmission was pharmacologically manipulated during performance of auditory - verbal memory tasks. Statistical parametric mapping was used to identify the brain sites of interaction between memory-induced increases in rCBF and active drugs. Memory task-induced increases in rCBF in the left prefrontal cortex were attenuated by apomorphine, a non-selective dopamine agonist, whilst buspirone, a serotonin1A partial agonist, augmented rCBF increases in this area. In addition, apomorphine and buspirone augmented memory-induced increases in rCBF centred in the posterior cingulate cortex, whilst buspirone alone attenuated rCBF increases in the retrosplenial cortex and posterior parahippocampal gyrus. These regionally selective interactions may represent neuromodulatory effects of monoaminergic neurotransmission on a specific cognitive function in man.
Pubmed
Web of science
Create date
25/09/2011 16:36
Last modification date
20/08/2019 15:57
Usage data