Tonically discharging neurons of monkey striatum respond to preparatory and rewarding stimuli.

by: P Apicella, E Scarnati, W Schultz

Exp Brain Res, Vol. 84, No. 3. (1991), pp. 672-675.

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Abstract

The behavioral relationships of 396 striatum neurons with regular, tonically elevated discharge rates were studied. While monkeys performed a delayed gonogo task, neurons predominantly located in medial putamen responded with phasic depressions (n = 30) or activations (n = 5) to task-specific stimuli. Particularly effective was an instruction light preparing for movement or no-movement reactions, and an auditory signal associated with reward delivery. Stimuli triggering arm or mouth movements were less effective. The data demonstrate that these usually poorly modulated neurons display context-dependent phasic activity in specific behavioral situations.

@article{citeulike:481103, abstract = {The behavioral relationships of 396 striatum neurons with regular, tonically elevated discharge rates were studied. While monkeys performed a delayed gonogo task, neurons predominantly located in medial putamen responded with phasic depressions (n = 30) or activations (n = 5) to task-specific stimuli. Particularly effective was an instruction light preparing for movement or no-movement reactions, and an auditory signal associated with reward delivery. Stimuli triggering arm or mouth movements were less effective. The data demonstrate that these usually poorly modulated neurons display context-dependent phasic activity in specific behavioral situations.}, address = {Institut de Physiologie, Universit\'{e} de Fribourg, Switzerland.}, author = {Apicella, P. and Scarnati, E. and Schultz, W. }, citeulike-article-id = {481103}, issn = {0014-4819}, journal = {Exp Brain Res}, keywords = {monkey, physio, striatum}, number = {3}, pages = {672--675}, posted-at = {2006-01-25 22:59:51}, priority = {2}, title = {Tonically discharging neurons of monkey striatum respond to preparatory and rewarding stimuli.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/1864338}, volume = {84}, year = {1991} }

RIS record

TY - JOUR ID - citeulike:481103 L3 - citeulike-article-id:481103 TI - Tonically discharging neurons of monkey striatum respond to preparatory and rewarding stimuli. JF - Exp Brain Res VL - 84 IS - 3 SP - 672 EP - 675 AD - Institut de Physiologie, Université de Fribourg, Switzerland. SN - 0014-4819 N2 - The behavioral relationships of 396 striatum neurons with regular, tonically elevated discharge rates were studied. While monkeys performed a delayed gonogo task, neurons predominantly located in medial putamen responded with phasic depressions (n = 30) or activations (n = 5) to task-specific stimuli. Particularly effective was an instruction light preparing for movement or no-movement reactions, and an auditory signal associated with reward delivery. Stimuli triggering arm or mouth movements were less effective. The data demonstrate that these usually poorly modulated neurons display context-dependent phasic activity in specific behavioral situations. KW - monkey KW - physio KW - striatum AU - Apicella, P AU - Scarnati, E AU - Schultz, W PY - 1991/// UR - http://view.ncbi.nlm.nih.gov/pubmed/1864338 ER -

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