Multiple timescales of neural dynamics and integration of task-relevant signals across cortex | Zendy

Mehran Spitmaan | Zendy; Hyojung Seo | Zendy; Daeyeol Lee | Zendy; Alireza Soltani | Zendy

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Multiple timescales of neural dynamics and integration of task-relevant signals across cortex

Author(s) -

Mehran Spitmaan,

Hyojung Seo,

Daeyeol Lee,

Alireza Soltani

Publication year - 2020

Publication title -

proceedings of the national academy of sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.011

H-Index - 771

eISSN - 1091-6490

pISSN - 0027-8424

DOI - 10.1073/pnas.2005993117

Subject(s) - task (project management) , dynamics (music) , neural system , computer science , neural activity , neuroscience , neural correlates of consciousness , neural ensemble , artificial intelligence , cognitive science , cognitive psychology , psychology , cognition , pedagogy , management , economics

Significance The brain exhibits a tremendous amount of heterogeneity, and to make sense of this seemingly random system neuroscientists have explored various ideas to organize it into distinct areas, each performing certain computations. One such idea is the timescale at which neural response fluctuates. Here, we developed a comprehensive method to estimate multiple timescales in neural response and link these timescales to processing of task-relevant signals and behavioral adjustments. We found multiple types of timescales that increase across cortical areas in parallel while being independent of each other and of selectivity to task-relevant signals. Our results suggest that there are multiple independent mechanisms underlying generations of neural dynamics on different timescales.

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