Abnormal evidence accumulation underlies the positive memory deficit in depression.

ABSTRACT: Healthy adults show better memory for low-arousal positive versus negative stimuli, but depression compromises this positive memory advantage. Existing studies are limited by small samples or analyses that provide limited insight into underlying mechanisms. Our study addresses these concerns by using a multistaged analysis, including diffusion modeling, to identify precise psychological processes underlying the positive memory advantage and its disruption by depression in a large sample. A total of 1,358 participants completed the BDI-II (Beck et al., 1996) and an emotional memory task. At encoding, participants judged whether positive and negative words were positive or self-descriptive. After a free recall test, participants viewed an equal mix of studied and unstudied words and judged w

SUBMITTER: Cataldo AM 

PROVIDER: S-EPMC9890271 | biostudies-literature | 2023 Jan

REPOSITORIES: biostudies-literature