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Amygdala size varies with stress perception

2021; Elsevier BV; Volume: 14; Linguagem: Inglês

10.1016/j.ynstr.2021.100334

2352-2895

Inês Caetano, Liliana Amorim, José Miguel Soares, Sónia Ferreira, Ana Coelho, Joana Reis, Nadine Correia Santos, Pedro Silva Moreira, Paulo Marques, Ricardo Magalhães, Madalena Esteves, Maria Picó‐Pérez, Nuno Sousa,

Tryptophan and brain disorders

Stress is inevitably linked to life. It has many and complex facets. Notably, perception of stressful stimuli is an important factor when mounting stress responses and measuring its impact. Indeed, moved by the increasing number of stress-triggered pathologies, several groups drew on advanced neuroimaging techniques to explore stress effects on the brain. From that, several regions and circuits have been linked to stress, and a comprehensive integration of the distinct findings applied to common individuals is being pursued, but with conflicting results. Herein, we performed a volumetric regression analysis using participants' perceived stress as a variable of interest. Data shows that increased levels of perceived stress positively associate with the right amygdala and anterior hippocampal volumes.