Web Resources

Chapter 5

Sensation

Sensation - Overview

Sensory Receptors

Sensory Thresholds

Absolute Threshold

Difference Threshold (JND)

Psychophysics

Gustav Fechner

Ernst Weber

Weber's Law

Sensory Adaptation

The Eye

The Eye - Overview

Evolution of the Eye

Cornea

Pupil

Iris

Lens

The Retina

Rods and Cones

Visible Spectrum

Hue

Saturation

Brightness

Bipolar Cells

Ganglion Cells

Blind Spot

Blind Spot Demonstrations

Fovea

Peripheral Vision

Dark Adaptation

Rhodopsin

Rhodopsin and the Eye

Night Blindness

Reading Improvement

Reading Improvement Program

Effective Reading Book at Amazon

Visual Defect

Myopia (nearsightedness)

Hyperopia (farsightedness)

Astigmatism

Presbyopia

Eye Surgery

Glaucoma

Cataracts

Cataract Surgery

Color Vision

Color Vision - Overview

Young-Helmholtz Theory

Negative Afterimage Demonstration

Bird-in-a-Cage Afterimage

More Negative Afterimage Demos

Hering's Opponent Process Theory

Color Constancy

Color Blindness

Color Blindness Examples

Visual Perception

Visual Perception - Overview

David hubel

Torsten Wiesel

Hubel and Wiesel's Discovery

Hubel's Nobel Lecture (PDF)

Wiesel's Nobel Lecture (PDF)

Gestalt Principles

Depth Perception

Visual Cliff Photo

Gibson and Walk's Original Article

Size Constancy

Brightness Constancy

Shape Constancy

Color Constancy

Visual Illusions

Dragon Illusion Movie (.wmv)

Stroboscopic Motion (Phi Phenomenon)

Stroboscopic Motion Demo

Ponzo Illusion

Müller-Lyer Illusion

Moon Illusion

Don McCready's Moon Illusion Page

Sound Waves

Sound - Overview

Frequency

Pitch

Amplitude

Loudness

Timbre

The Ear

The Ear - Overview

Outer Ear (Pinna)

Tympanic Membrand (Eardrum)

Middle Ear

Auditory Ossicles

Inner Ear

Cochlea

Basilar Membrane

Basilar Membrane Animation (requires Flash)

Hair Cells

Theories of Pitch Perception (PDF)

Place Theory of Pitch Perception

Localization of Sound

Hearing Problems

Hearing Impairment

Noise and Hearing Loss

Tinnitus

Smell and Taste

Olfaction (sense of smell)

Lock-and-key Theory of Smell

Smell and Emotion

Pheromones

Anosmia

Anosmia Foundation

Anosmia Personal Stories

Sense of Taste

Taste Buds

Basic Taste Sensations

Ageusia

Somesthetic Senses

Somesthetic Senses - Overview

Skin Senses

Pain

Gate-control Theory of Pain

Pain Receptors

Temperature Receptors

Kinesthesis (proprioception)

Vestibular System

Vestibular System and Aviation

Phantom Limb

Extrasensory Perception (ESP)

ESP - Overview

Telepathy

Clairvoyance

Precognition

Psychokinesis

James Randi $1 Million Challenge