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Understanding Human Senses Study Guide

This guide explains the biological mechanisms behind hearing, taste, smell, touch, pain, balance, and body position awareness. It covers the physical properties of stimuli and how sensory receptors convert them into neural signals processed by the brain.

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Sensation, Perception, and Psychophysics

The Visual System and Perceptual Processes

The Human Visual System and Processing

The visual system processes light through the eye, retina, and brain to enable perception of color, brightness, and features.

  • Electromagnetic radiation
  • Amplitude and wavelength
  • Cornea, lens, iris, and pupil
  • Retina, fovea, and optic disk
  • Rods and cones
  • Optic nerve and optic chiasm
  • Primary visual cortex

Visual Perception and Colour Vision

This material covers wavelength, colour vision theories, individual variations in colour perception, Gestalt principles of form perception, and depth perception cues.

  • Wavelength and colour
  • Trichromatic theory
  • Opponent process theory
  • Colour-blindness
  • Gestalt principles
  • Figure and ground
  • Proximity
  • Similarity
  • Continuity
  • Closure
  • Simplicity
  • Binocular cues
  • Monocular cues
  • Perceptual constancies
  • Optical illusions

Human Sensory Systems and Processing

Human Sensory Systems and Perception

This material explores the auditory system, chemical senses of taste and smell, sensory systems in the skin, and kinesthetic and vestibular senses.

  • Auditory system
  • Sound waves
  • Amplitude
  • Wavelength
  • Pitch
  • Timbre
  • Frequency
  • Pinna
  • Ossicles
  • Cochlea
  • Hair cells
  • Basilar membrane
  • Auditory cortex
  • Gustation
  • Taste buds
  • Olfaction
  • Olfactory receptors
  • Olfactory bulb
  • Somatosensory cortex
  • Pain pathways

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