Longitudinal evaluation of the early auditory gamma-band response and its modulation by attention in first-episode psychosis.

ABSTRACT:

Background

Executive control over low-level information processing is impaired proximal to psychosis onset with evidence of recovery over the first year of illness. However, previous studies demonstrating diminished perceptual modulation via attention are complicated by simultaneously impaired perceptual responses. The present study examined the early auditory gamma-band response (EAGBR), a marker of early cortical processing that appears preserved in first-episode psychosis (FEP), and its modulation by attention in a longitudinal FEP sample.

Methods

Magnetoencephalography was recorded from 25 FEP and 32 healthy controls (HC) during active and passive listening conditions in an auditory oddball task at baseline and follow-up (4-12 months) sessions. EAGBR inter-trial phase co

SUBMITTER: Sklar AL 

PROVIDER: S-EPMC11650157 | biostudies-literature | 2024 Dec

REPOSITORIES: biostudies-literature