Skip to main content

Understanding Bottom-Up and Top-Down Processing in Perception Study Guide

This guide explains the fundamental principles of vision, including the physics of light, the structure and function of the human eye, the process of converting light into neural signals (transduction), the neural pathways to the brain, and how we perceive depth using binocular and monocular cues. It is suitable for learners interested in biology, psychology, and neuroscience.

Save this study guide to your study set

Sign up free

Your learning path

Sensation and Perception of Stimuli

Introduction to Sensation and Perception

Sensation involves senses detecting sensory stimuli while perception is the active organization and interpretation of sensory information by the brain.

  • Psychophysics
  • Sensation
  • Perception
  • Absolute Threshold
  • Difference Threshold
  • Just noticeable difference
  • Sensory Receptors
  • Transduction
  • Sensory Adaptation
  • Illusions
  • Impossible Figures
  • Ambiguous Figures

Anatomy and Mechanisms of Vision

This topic explores how photons, wavelength, and amplitude enable vision through eye structures, neural transduction, and depth perception cues.

  • Photons
  • Wavelength
  • Amplitude
  • Cornea
  • Pupil
  • Lens
  • Cones
  • Transduction
  • Optic nerve
  • Blind spot
  • Optic chiasm
  • Lateral geniculate nucleus
  • Primary visual cortex
  • Prosopagnosia
  • Depth perception
  • Convergence
  • Binocular disparity
  • Interposition

Sensation and Perception of Vision and Sound

This content explains pictorial cues to depth, characteristics of sound, anatomy of the ear, and theories regarding pitch perception.

  • Linear perspective
  • Texture gradient
  • Interposition
  • Relative size
  • Height in plane
  • Light and shadow
  • Frequency
  • Amplitude
  • Timbre
  • Sound pressure
  • Threshold for hearing
  • Pinna
  • Auditory Canal
  • Eardrum
  • Ossicles
  • Cochlea
  • Basilar membrane
  • Hair cells
  • Place Theory
  • Frequency Theory

Sensation and Perception Mechanisms

This material covers taste, smell, touch, pain, and spatial orientation senses.

  • Five basic tastes
  • Taste buds
  • Flavour
  • Olfactory epithelium
  • Olfactory bulbs
  • Tactile information
  • Somatosensory cortex
  • Two-point threshold
  • Pain pathways
  • Myelinated neurons
  • Unmyelinated neurons
  • Endorphins
  • Gate-control theory
  • Kinesthetic sense
  • Vestibular sense

Bottom-Up and Top-Down Processing

Bottom-Up and Top-Down Processing

Perception begins with stimulus detection and transduction through bottom-up processing or relies on prior experiences, knowledge, and context via top-down processing.

  • Bottom-Up Processing
  • Top-Down Processing
  • Stimulus detection
  • Transduction
  • Transmission
  • Context
  • Perceptual Sets
  • McGurk Effect

Gestalt Principles, Illusions, and Figures

Gestalt Principles of Sensation and Perception

Gestalt principles involve the whole form, pattern, or configuration perceived through figure-ground relationships, grouping principles, illusions, impossible figures, and ambiguous figures.

  • Gestalt principles
  • Figure-Ground
  • Principles of Grouping
  • Illusions
  • Impossible Figures
  • Ambiguous Figures

Make it your own.

Keep these readings and topics in a new study set, or add them to one you already use.

Get started freeLog in