The sensory process and conscious perception of signals originating from within the body, providing a continuous awareness of the internal physiological state, including visceral sensations, hormonal shifts, and autonomic nervous system activity. This “sixth sense” allows an individual to perceive internal cues such as hunger, heart rate, temperature, and emotional states, which are deeply intertwined with endocrine balance. Clinically, impaired interoception can contribute to dysregulation in appetite control, emotional processing, and the perception of hormonal symptoms.
Origin
The term was first introduced in the early 20th century by the physiologist Charles Sherrington, who categorized sensory inputs into exteroception (external world), proprioception (body position), and interoception (internal organs). It is derived from the Latin prefix inter- meaning “between” or “within,” and capere meaning “to take” or “to seize.” Modern neuroscience has revitalized the term, focusing on its role in emotional regulation and self-awareness.
Mechanism
Interoception is mediated by specialized sensory nerve endings, primarily unmyelinated C-fibers, that transmit information from internal organs and tissues to the central nervous system, notably ascending through the vagus nerve to the brainstem. This information is then integrated in cortical regions like the insular cortex, which acts as a primary hub for mapping and interpreting the body’s internal landscape. This mechanism allows the brain to generate a holistic, subjective feeling of the body’s state, directly linking peripheral hormonal and metabolic changes to conscious experience.
A truly voluntary wellness program aligns with your unique neuroendocrine and metabolic blueprint, fostering physiological congruence and intrinsic motivation.
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