Emotional Memory Moderates the Relationship Between Sigma Activity and Sleep-Related Improvement in Affect.

ABSTRACT: Sleep is essential for regulating mood and affect, and it also consolidates emotional memories. The mechanisms underlying these effects may overlap. Here, we investigated whether the influence of sleep on affect may be moderated by emotional memory consolidation. Young adults viewed 45 negative and 45 neutral pictures before taking an afternoon nap measured with polysomnography. Following the nap period, participants viewed the same pictures intermixed with novel ones and indicated whether they remembered each picture. Affect was measured with the Positive and Negative Affect Schedule (PANAS) at baseline before the initial picture viewing task, immediately following the initial picture viewing task, and following the nap. The ratio of positive to negative affect declined over the task peri

SUBMITTER: Jones BJ 

PROVIDER: S-EPMC6423070 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature