Neural correlates of auditory short term memory in sensory cortex of - PowerPoint PPT Presentation

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Neural correlates of auditory short term memory in sensory cortex of the macaque Corrie R. Camalier Laboratory of Neuropsychology National Institute of Mental Health, NIH corrie.camalier@gmail.com CRESCENT Auditory Working Memory Workshop -

Neural correlates of auditory short term memory in sensory cortex of the macaque Corrie R. Camalier Laboratory of Neuropsychology National Institute of Mental Health, NIH corrie.camalier@gmail.com CRESCENT Auditory Working Memory Workshop - 15 June 2017
• NIH restricts posting of slides, but here are summary diagrams with pointers to the relevant papers. • If you have any questions or would like more information, do not hesitate to contact me.
Other studies, areas yielded similarly low yield delay activity Plakke Ng Poremba 2013 Bigelow, Rossi, Poremba 2014 Ng Plakke Poremba 2014 M C L Lateral surface, macaque brain core, belt parabelt: Scott, Mishkin, Yin 2014 auditory cortex
Distractor interference in mnemonic tasks Intact BG important Intact PFC critical for Prefrontal for gating irrelevant suppressing Cortex stimuli distracting auditory stimuli Chao and Knight 1998 Auditory Basal Cortex Ganglia Scott et al 2014 and LFP Vis WM(spatial): Voytek and Knight 2010, extension: neural correlates McNab and Klingberg 2008, Baier 2010 of distractor induced Aud WM(nonspatial!): Camalier et al 2017 suppression?
Main points: 1) Nature of encoded representation Delay period activity does not adequately explain mnemonic activity. 2) Shared (supramodal?) mechanisms for distractor interference Suppression of distractor via frontal/BG mediated mechanism? How is filter established? Nature of decay vs interference effects in STM (Baddeley 2012)

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