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This hypothesis aims to explain anomalous presence perception through neurological and thermodynamic mechanisms.

July 26, 2026Open Access

Neurological and Thermodynamic Mechanisms Underlying Anomalous Presence Perception

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Hypothesis explores mechanisms behind sensing deceased presence in individuals, suggesting biological underpinnings.

This hypothesis aims to explain anomalous presence perception through neurological and thermodynamic mechanisms.
Theoretical framework exploring five interacting mechanisms: infrasound cortical arousal, predictive processing failure, neural persistence, cardiac neural persistence, and negativity threshold.
Distinction between actionable and unactionable threats regarding presence experiences.
Development of the Negativity Threshold mechanism and resolution of predictive hallucination vs. genuine detection conflict.
Identifies biological factors in anomalous presence perception, particularly following bereavement.
Clarifies the basis of presence experiences in contexts including haunted locations.
Suggests the perceived presence is a result of subconscious mismatch detection rather than supernatural or pathological phenomena.

Tirth Kapadia (2026) studied this question.

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