The orchestration of conscious experience by subcortical structures

Area of Science:

• Neuroscience
• Cognitive Science
• Psychology

Background:

• Conventional models struggle to explain conscious emotional feelings solely through brain circuits or external stimuli.
• Existing theories do not fully account for the subjective experience of emotions.

Purpose of the Study:

• To propose a novel model for the neurobiological underpinnings of conscious emotional feelings.
• To integrate the roles of the limbic system, autonomic nervous system, and prefrontal cortex in emotional experience.

Main Methods:

• The study proposes a theoretical model, not empirical methods.
• It outlines the proposed neurobiological mechanisms involving the limbic system, autonomic nervous system, and prefrontal cortex.

Main Results:

• The limbic system processes inputs based on reward/punishment associations.
• This processing activates the autonomic nervous system and prefrontal cortex (PFC).
• Temporally correlated activations in the PFC acquire valence, contributing to conscious feelings alongside arousal and context.

Conclusions:

• Conscious emotional feelings emerge from the valence acquired by the PFC, driven by limbic system responses to rewards/punishments.
• This model integrates attention, perception, value-based responses, and the stream of consciousness.
• The orchestration of conscious experience involves subcortical-limbic and cortical interactions.