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  • 1
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    Mnemonic function of the dorsolateral prefrontal cortex in conflict-induced behavioral adjustment (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-10-27
    Description: Our cognitive abilities in performing tasks are influenced by experienced competition/conflict between behavioral choices. To determine the role of the anterior cingulate cortex (ACC) and dorsolateral prefrontal cortex (DLPFC) in the conflict detection-resolution process, we conducted complementary lesion and single-cell recording studies in monkeys that were resolving a conflict between two rules. We observed conflict-induced behavioral adjustment that persisted after lesions within the ACC but disappeared after lesions within the DLPFC. In the DLPFC, activity was modulated in some cells by the current conflict level and in other cells by the conflict experienced in the previous trial. These results show that the DLPFC, but not the ACC, is essential for the conflict-induced behavioral adjustment and suggest that encoding and maintenance of information about experienced conflict is mediated by the DLPFC.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mansouri, Farshad A -- Buckley, Mark J -- Tanaka, Keiji -- New York, N.Y. -- Science. 2007 Nov 9;318(5852):987-90. Epub 2007 Oct 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cognitive Brain Mapping Laboratory, RIKEN Brain Science Institute, Wako, Saitama 351-0198, Japan. farshad@postman.riken.jp〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17962523" target="_blank"〉PubMed〈/a〉
    Keywords: Analysis of Variance ; Animals ; *Behavior, Animal ; Brain Mapping ; *Conflict (Psychology) ; Electrophysiology ; Gyrus Cinguli/*physiology/physiopathology/surgery ; Macaca ; Macaca mulatta ; Memory/*physiology ; Neurons/physiology ; Neuropsychological Tests ; Prefrontal Cortex/*physiology/physiopathology/surgery ; Psychomotor Performance ; Reaction Time
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Dissociable components of rule-guided behavior depend on distinct medial and prefrontal regions (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-07-04
    Description: Much of our behavior is guided by rules. Although human prefrontal cortex (PFC) and anterior cingulate cortex (ACC) are implicated in implementing rule-guided behavior, the crucial contributions made by different regions within these areas are not yet specified. In an attempt to bridge human neuropsychology and nonhuman primate neurophysiology, we report the effects of circumscribed lesions to macaque orbitofrontal cortex (OFC), principal sulcus (PS), superior dorsolateral PFC, ventrolateral PFC, or ACC sulcus, on separable cognitive components of a Wisconsin Card Sorting Test (WCST) analog. Only the PS lesions impaired maintenance of abstract rules in working memory; only the OFC lesions impaired rapid reward-based updating of representations of rule value; the ACC sulcus lesions impaired active reference to the value of recent choice-outcomes during rule-based decision-making.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Buckley, Mark J -- Mansouri, Farshad A -- Hoda, Hassan -- Mahboubi, Majid -- Browning, Philip G F -- Kwok, Sze C -- Phillips, Adam -- Tanaka, Keiji -- G0300817/Medical Research Council/United Kingdom -- Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2009 Jul 3;325(5936):52-8. doi: 10.1126/science.1172377.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Experimental Psychology, University of Oxford, South Parks Road, Oxford, OX1 3UD, UK. buckley@psy.ox.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19574382" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Behavior, Animal ; Brain Mapping ; Cues ; *Decision Making ; Frontal Lobe/physiology ; *Learning ; Macaca ; Macaca mulatta ; Memory, Short-Term ; Neurons/physiology ; Neuropsychological Tests ; Prefrontal Cortex/*physiology ; Reinforcement (Psychology) ; Reward
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Function of frontal pole cortex in cognition [Neuroscience] (2015)
    National Academy of Sciences
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    Publication Date: 2015-07-22
    Description: Frontal pole cortex (FPC) and posterior cingulate cortex (PCC) have close neuroanatomical connections, and imaging studies have shown coactivation or codeactivation of these brain regions during performance of certain tasks. However, they are among the least well-understood regions of the primate brain. One reason for this is that the consequences...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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