The classical five-sense model overlooks key dimensions of human sensory experience, failing to account for internally regulated and bioelectrically resonant modalities. This paper introduces a theoretical Nine-Sense Model that expands conventional frameworks by incorporating four additional sensory circuits: hemoperception (vascular sensing), piloception (electromagnetic hair-field sensitivity), vomeronasal chemodetection, and ultrasonic perception. Grounded in anatomical, neurophysiological, and electrophysiological evidence, these circuits are conceptualized as self-regulating bioelectrical loops operating across somatic and autonomic systems. Rather than being pathological or anomalous, they are presented as latent but functional sensory modules within the general population—supported by findings from sensory plasticity, affective neuroscience, and neuroelectric feedback studies. This model reframes sensation not as passive reception, but as a dynamic resonance process involving phase coherence, bioelectrical entrainment, and nonlinear amplification. Perception is thus reinterpreted as an emergent phenomenon of structured circuit interaction—shifting explanatory paradigms from symbolic representation to systemic physiological resonance. By integrating perspectives from cognitive science, neurophysiology, and biophysical communication, this framework offers a novel account of human sensation as a distributed, recursive, and conscious–nonconscious regulatory system. Its implications extend to neurodiversity, trauma perception, and human–machine interfacing.
D. Kathleen Lee (Mon,) studied this question.