Modular Phoneme Processing in Human Superior Temporal Gyrus.
Daniel R ClearyYoungbin TchoeAndrew BourhisCharles W DickeyBrittany StedelinMehran GanjiSang Hoen LeeJihwan LeeDominic A SilerErik C BrownBurke Q RosenErik KaestnerJimmy C YangDaniel J SoperSeunggu Jude HanAngelique C PaulkSyndey S CashAhmed M T RaslanShadi A DayehEric HalgrenPublished in: bioRxiv : the preprint server for biology (2024)
Modular organization is fundamental to cortical processing, but its presence is human association cortex is unknown. We characterized phoneme processing with 128-1024 channel micro-arrays at 50-200μm pitch on superior temporal gyrus of 7 patients. High gamma responses were highly correlated within ∼1.7mm diameter modules, sharply delineated from adjacent modules with distinct time-courses and phoneme-selectivity. We suggest that receptive language cortex may be organized in discrete processing modules.
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