The amygdala is key for triggering somatic states. It connects the stimulus to it's affective and emotional attributes. The responses induced by the amygdala are short lived. The emotional and affective response is done through the hypothalamus. 

Role of the Amygdala

Frisson, also known as aesthetic tingles, refers to feelings of shivers down the spine and neck due to an emotionally moving experience, such as beautiful music or art. It is a type of somatic marker, which are situations when physical experiences correspond to emotions. 

Frisson

Somatic refers to key body processes that relate to affective and emotional responses. The somatic marker hypothesis is a framework for decision making that values long term over short term consequences. Neural substances that regulate homeostasis, emotion and feeling are key with this hypothesis. 

Grand Valley State University

The system of somatic states is often called the impulsive system. This is due to its fast/automatic properties for processing the affective/emotional attributes associated with a particular stimulus. The amygdala is one of the key components in this system. 

Impulsive System

Xiao, L., Dube, L., & Bechara, A., (2010). Resisting Temptation: Impulse Control and Trade-offs between immediate Rewards and Long-Term Consequences. In Laurette Dubé, Antoine Bechara, Alain Dagher, Adam Drewnowski, Jordan Lebel, Philip James, Rickey Y. Yada (Eds.), Obesity Prevention (pp. 105-114). Academic Press. https://doi.org/10.1016/B978-0-12-374387-9.00008-8

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