Tag: perceptual illusion

November 16, 2025 / Mohammed looti

SIZE-WEIGHT ILLUSION

Introduction to the Size-Weight Illusion The Size-Weight Illusion (S-WI), a robust and extensively studied phenomenon in cognitive and sensorimotor psychology, describes the paradoxical observation that when two objects possess identical objective mass, the object that is perceived as having a smaller volume is consistently judged by the individual to feel heavier than the object perceived […]

November 14, 2025 / Mohammed looti

AUTOKINESIS

Introduction and Dual Conceptualizations of Autokinesis The term autokinesis, derived from the Greek roots auto (self) and kinesis (movement), holds a dual significance within the lexicon of psychology. Historically, and in its most literal sense, autokinesis referred broadly to any type of voluntary movement, encompassing the intentional actions and motor responses initiated by an organism. […]