Time predictability modulates pre-supplementary motor area neuronal activity Export

@article{Akkal2004, abstract = {Two monkeys were trained in a delayed sequential motor task in which the time interval between events and the delay duration were either fixed or variable. Single-unit neuronal activity was recorded in the pre-supplementary motor area (pre-SMA). During the delay, we observed a gradual increase in activity (build-up pattern) in the fixed but not in the variable condition. In the former but not in the latter, the monkey had the opportunity to estimate time duration. Consequently, the build-up pattern observed in the pre-SMA might represent the neuronal substrate of a time accumulator system proposed by previous authors on the basis of functional imaging data. Such a system could play a critical role in the working memory of temporal information.}, author = {Bioulac}, citeulike-article-id = {808797}, citeulike-linkout-0 = {http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=15167550}, journal = {Neuroreport}, keywords = {action, bibtex-import, cognitionphysiology, evoked, frontal, haplorhini, lobephysiology, motorphysiology, movementphysiology, neuronsphysiology, neuropsychological, perceptionphysiology, performancephysiology, potentials, potentialsphysiology, psychomotor, reaction, tests, time, timephysiology}, number = {8}, pages = {1283--6}, posted-at = {2006-08-21 01:23:51}, priority = {0}, title = {Time predictability modulates pre-supplementary motor area neuronal activity}, url = {http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=15167550}, volume = {15}, year = {2004} }

TY - JOUR ID - Akkal2004 L3 - citeulike-article-id:808797 N2 - Two monkeys were trained in a delayed sequential motor task in which the time interval between events and the delay duration were either fixed or variable. Single-unit neuronal activity was recorded in the pre-supplementary motor area (pre-SMA). During the delay, we observed a gradual increase in activity (build-up pattern) in the fixed but not in the variable condition. In the former but not in the latter, the monkey had the opportunity to estimate time duration. Consequently, the build-up pattern observed in the pre-SMA might represent the neuronal substrate of a time accumulator system proposed by previous authors on the basis of functional imaging data. Such a system could play a critical role in the working memory of temporal information. IS - 8 JF - Neuroreport EP - 6 TI - Time predictability modulates pre-supplementary motor area neuronal activity VL - 15 SP - 1283 KW - action KW - bibtex-import KW - cognitionphysiology KW - evoked KW - frontal KW - haplorhini KW - lobephysiology KW - motorphysiology KW - movementphysiology KW - neuronsphysiology KW - neuropsychological KW - perceptionphysiology KW - performancephysiology KW - potentials KW - potentialsphysiology KW - psychomotor KW - reaction KW - tests KW - time KW - timephysiology AU - Bioulac PY - 2004/// UR - http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=15167550 ER -