Tag: visual stimulation

November 16, 2025 / Mohammed looti

PERSISTENCE OF VISION

Introduction and Definition The psychological phenomenon known as Persistence of Vision (POV) refers specifically to the residual feeling of visual arousal that continues briefly after the physical stimulus that initiated the sensation has been completely eliminated from the external environment. This continued sensory input is not a hallucination, but rather a delay in the decay […]

November 2, 2025 / Mohammed looti

TECTOSPINAL TRACT

Introduction to the Tectospinal Tract The tectospinal tract (TST) represents a crucial descending motor pathway within the central nervous system, primarily dedicated to the mediation of rapid, reflexive movements of the head and neck. This tract is part of the medial motor system, which governs the axial and proximal musculature necessary for posture and orientation. […]