Dissociation of Attentional State and Behavioral Outcome Using Local Field Potentials

被引:0
作者
Prakash, Surya S. [1 ]
Mayo, J. Patrick [2 ]
Ray, Supratim [1 ]
机构
[1] Indian Inst Sci, Ctr Neurosci, Bangalore 560012, India
[2] Univ Pittsburgh, Dept Ophthalmol, Pittsburgh, PA 15219 USA
基金
英国惠康基金;
关键词
gamma; high-gamma; macaque area V4; SSVEP; target detection; visual attention; GAMMA-BAND ACTIVITY; VISUAL-CORTEX; DISCRIMINANT-ANALYSIS; OSCILLATIONS; FREQUENCY; ALPHA; SYNCHRONIZATION; PERFORMANCE; PHASE; FLUCTUATIONS;
D O I
10.1523/ENEURO.0327-24.2024
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Successful behavior depends on the attentional state and other factors related to decision-making, which may modulate neuronal activity differently. Here, we investigated whether attentional state and behavioral outcome (i.e., whether a target is detected or missed) are distinguishable using the power and phase of local field potential recorded bilaterally from area V4 of two male rhesus monkeys performing a cued visual attention task. To link each trial's outcome to pairwise measures of attention that are typically averaged across trials, we used several methods to obtain single-trial estimates of spike count correlation and phase consistency. Surprisingly, while attentional location was best discriminated using gamma and high-gamma power, behavioral outcome was best discriminated by alpha power and steady-state visually evoked potential. Power outperformed absolute phase in attentional/behavioral discriminability, although single-trial gamma phase consistency provided reasonably high attentional discriminability. Our results suggest a dissociation between the neuronal mechanisms that regulate attentional focus and behavioral outcome.
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页数:17
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