Hyperactivity of the impulsive system or in the amygdala may contribute to giving in to impulses. This hyperactivity would exaggerate the rewards of the stimulus and make people favor giving in to short term, immediate affects over long term ones.  

Hyperactivity of the impulsive system

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. 

Grand Valley State University

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. 

Somatic Marker Hypothesis

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

Chapter 8 - Resisting Temptation: Impulse Control and Trade-offs between Immediate Rewards and Long-term Consequences

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. 

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