The monkey pulvinar neurons differentially respond to emotional expressions of human faces

Behavioural Brain Research
R S MaiorHisao Nishijo

Abstract

Recent psychological studies suggest that the amygdala is not essential for early stages of emotional facial processing, and that the colliculo-pulvinar pathway might play this role. Nevertheless, the actual role of pulvinar nucleus on the recognition of emotional faces remains obscure. In the present study, we recorded single-unit activity of pulvinar neurons in 2 monkeys during recognition of emotional faces in a delayed non-match-to-sample (DNMS) task, using human face stimuli with differing emotional expressions (sad, angry, happy, surprised and neutral) and simple geometric pattern control figures. A total of 184 single neurons from lateral and medial pulvinar have been sampled. From this total, 41 (22.2%) were found to be "visually responsive", that is, responded to one or more of the visual stimuli. Among the visually responsive neurons, 23 responded non-differentially to all stimuli (facial stimuli and control). Another 18 responded differentially to facial identity and/or emotional expression. Response latencies of the pulvinar neurons to these facial stimuli ranged very widely; firing onsets for 16 (39.0%, 16/41) neurons were shorter than 100ms, while for 13 (31.7%, 13/41) it was greater than 300ms. The results thus i...Continue Reading

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Citations

Dec 3, 2014·Neuroscience and Biobehavioral Reviews·Mark H JohnsonPrzemyslaw Tomalski
Nov 11, 2015·Trends in Cognitive Sciences·Holly BridgeJames A Bourne
Oct 6, 2011·Neuroscience Letters·Rafael S MaiorCarlos Tomaz
Nov 6, 2012·The European Journal of Neuroscience·Minh Nui NguyenHisao Nishijo
Feb 5, 2013·The European Journal of Neuroscience·Lucy S PetroLars Muckli
Feb 18, 2011·American Journal of Primatology·Dorothy Fragaszy, Elizabeth Simpson
Jun 11, 2015·Consciousness and Cognition·Alessia CeleghinMarco Tamietto
Jan 3, 2012·Current Opinion in Neurobiology·Michael Brecht, Winrich A Freiwald
Apr 23, 2016·Neuron·Cory T MillerXiaoqin Wang
Dec 6, 2014·PloS One·Quan Van LeHisao Nishijo
Nov 24, 2016·PloS One·Nicolas BurraNathalie George
Apr 1, 2017·Nature Communications·Margaret S LivingstoneTristram Savage
Apr 10, 2020·Nature Reviews. Neuroscience·Jessica McFadyenMarta I Garrido
Jan 10, 2017·Frontiers in Neuroscience·Minh N NguyenHisao Nishijo
Jan 21, 2016·The Behavioral and Brain Sciences·Patrik Vuilleumier
Jan 26, 2017·Frontiers in Psychology·Matteo DianoMarco Tamietto
Dec 14, 2018·Frontiers in Psychology·Caterina BertiniElisabetta Làdavas
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