# Sensory Systems Sensory systems are the neural pathways that detect and process environmental stimuli, transforming physical energy into neural signals (transduction). Beyond the traditional five senses, humans have proprioception (body position), vestibular sense (balance), interoception (internal states), and nociception (pain). Each system has specialized receptors, dedicated neural pathways, and cortical areas. [[Psychophysics]] studies how sensory systems respond to stimuli—[[Weber's Law]] and [[Stevens' Power Law]] describe the relationship between physical intensity and perceived magnitude. [[David Marr]]'s computational approach analyzes vision as information processing at multiple levels. Sensory systems show remarkable adaptation, compression, and lateral inhibition to handle the world's dynamic range. ## Major Systems | System | Stimulus | Receptor | |--------|----------|----------| | Vision | Light | Photoreceptors | | Audition | Sound waves | Hair cells | | Somatosensory | Touch, pressure | Mechanoreceptors | | Olfaction | Chemicals | Olfactory neurons | | Gustation | Chemicals | Taste receptors | ## References - https://en.wikipedia.org/wiki/Sensory_system ## Related - [[Psychophysics]] - [[Perception]] - [[David Marr]] - [[Neuroscience]]