Psychology 3203 Perception - Fall 2006
DATE	DAY	TOPIC
Measurement of Perceptual Experience
8/23	W	Course Requirements, etc.
8/25	F	St. Louis Arch Classic Visual Illusions - What do they tell us? A strong Ponzo Illusion Fechner: The mind-body problem and the importance of the absolute threshold Classical Psychophysical Techniques Methods Example Psychophysical Function for Absolute Threshold Your Textbook: 24-26
8/28	M	Picture of Ernst Weber Practice Explaining a Difference Threshold More Practice Explaining a Difference Threshold Difference thresholds & Weber's Law Example Weber Fractions Your Textbook: 37-38
8/30	W	Piano Notes Weber's Law vs. Fechner's Law Exercise to guide you through Fechner's Law Your Textbook: 39
9/1	F	Magnitude estimation & Steven's Power Law Magnitude Estimation Demo Results of Magnitude Estimation Task with Circles Possible Relationships How The Exponent is Calculated Example Exponents Magnitude Scaling of Pressure, Cold, and Warmth (Berglund & Harju, 2003) Your Textbook: 40-42
9/4	M	Labor Day
9/6	W	Signal Detection Theory Sample ROC curve Separating Strategy from Sensitivity Your Textbook: 27-34
9/8	F	Signal Detection Theory 3 HIV Tests - from Swets (1992)
9/11	M	Partition Scales Relationship of S to I in Partition Scale Example Scale from Munsell System Example Category Scale - Stellar Magnitude Example Category Scale - Borg RPE
9/13	W	It's all about 3 guys ... ... and their descendants Question & Answer/Review [Study Guide]
9/15	F	Test 1
		Test Results 9 AM Class 11 AM Class
VISION I
9/18	M	What is light? Light is a portion of the Electromagnetic Spectrum Light encounters an object Types of reflection Your Textbook: 47-50 ---------------------------------------------------------------------- Everything you wanted to know about the Vertebrate Retina Simple Diagram of Eye Simple Diagram of other Eyes Compound Eye Compound Eye Circuitry Saggital Schematic with Retinal Section Diagram of Eye Front of Eye Human Retina My Myopic Crescent & Choroidal Folds Diagram of the Retina Another Retina Diagram Notice the size of Aimee's fovea Human Fovea Rod/Cone Distribution Another map of Rod/Cone Distribution Acuity Threshold Eye Movement Tutorial Here are instructions for the do-it-yourselfer: Cow's Eye Your Textbook: 51-70
9/20	W	Structure of Eye continued
9/22	F	Duplex Retina Compound Eye Compound Eye Circuitry Wolf Spider Eyes: WS1 WS2 WS3 WS4 WS5 WS6 Anableps - The 4-eyed Fish Close View of Eye of Anableps Another Close View of Eye of Anableps Diagram of Eye of Anableps Dark Adaptation Curve Purkinje Shift Range of Light Intensities Night Blindness - Vitamin A Deficiency (Hecht & Mandelbaum, 1940) Retinitis Pigmentosa RP1 RP2 RP3 Achromatopsia - Island of the Color Blind Your Textbook: 89-95
9/25	M	Brightness Constancy Example of Simultaneous Brightness Contrast McCourt Effect Benussi Rings
9/27	W	Mach Bands Hermann Grid Illusion Hermann Grid Illusion on Steroids The Horseshoe Crab (Limulus) Limulus again Lateral Plexus Lateral Inhibition Circuit Lateral Inhibition Effect Diagram of Human Retina Stabilized Retinal Image Fading Dot Your Textbook: 142-150
9/29	F	Color Newton's Separation Experiment Newton's Mixing Experiment Dimensions of Color The Munsell System of Color Notation CIE Color System Creating colors from other colors Additive Color Demo Creating colors using subtraction Subtractive Color Demo Nonspectral Colors! Pantone Matching System colors Description of Color Systems from Adobe Your Textbook: 117-125
10/2	M	Mechanisms of Color Helmholtz's Color Mixing Experiments Young-Helmholtz Trichromatic Theory Maxwell's Additive Color Mixing System Spectral Sensitivity of Photoreceptors (2) Ewald Hering Return to the Color Circle Colored Afterimages Color Afterimages 2 Another Look at the Retina Opponent Process Circuit New Explanation of Evolution of Color Vision in Mammals Your Textbook: 129-134
10/4	W	Color Blindness and Color Deficiencies Example Test Item Ishihara Test Items Simulation of Color Blindness Another Simulation of Color Blindness Do some women have 4 color receptors? Your Textbook: 135-138
10/6	F	Simultaneous Color Contrast #1 #2 #3 #4 #5 #6 #7 #8 #9 #10 Return to the Color Circle (Complementary Colors) Another Look at the Retina Color Constancy Edwin Land - Mondrian Experiments Purves Lab @ Duke Purves Cube Illuminance vs. Reflectance
10/9	M	Finding Edges vs. Filling In Return to Diagram of Eye Stabilized Retinal Image Return to Simultaneous Brightness Contrast Return to Hermann Grid Illusion Return to Simultaneous Color Contrast Fading Dot Illusion Fading Dot Color AfterEffect Illusion Kaniza Figure Spreading Neon Illusion Subjective Colors Benham's Top MacKay Star Color Vision Issues & Painting Topic 1 - Paint & Color (a) Tempera vs. Oil 1 2 3 Topic 2 - Color Interactions (a) Color Enhancement 1 Michelangelo (b) Color & Light Monet Topic 3 - Luminance and Equiluminance (a) Equiluminance Anuszkiewicz Monet (b) Luminance Differences Michelangelo DaVinci Topic 4 - Foveal vs. Peripheral Vision Poussin Impressionists
10/11	W	Question & Answer/Review [Study Guide] Review of Color Vision Issues as applied to Painting
10/13	F	TEST 2
		Test 2 Results 9 AM Class 11 AM Class
VISION II
10/16	M	Space, Distance, & Depth - Binocular Cues Corresponding Retinal Points Vieth-Muller Circle Noncorresponding Retinal Points The Horopter and Retinal Disparity The Horopter and Retinal Disparity 2 Retinal Disparity The Horopter and Panum's Area Your Textbook: 233-240
10/18	W	Manipulation of Binocular Cues to Produce Depth Effects Producing Retinal Disparity Reproducing Viewpoints with Binocular Stereograms Nintendo VirtualBoy Anaglyphs Effect of Looking at an Anaglyph through a Red Filter How the Anaglyph Produces its Depth Effects Example Anaglyphs (red/cyan glasses required) Airplane Anaglyphs: P38 T33 T33 Floatplane Dogfight Fooling Fusion - Single Image Stereograms How a SIS works
10/20	F	Fall Break
10/23	M	Space, Distance, & Depth - Monocular Cues Monocular Cues Linear Perspective Aerial Perspective Example Another Aerial Perspective Example Static Shadow Cue to Depth Impossible trident More Monocular Depth Illusions Another Depth Illusion - The Balcony Drawings of M. C. Escher Ames Room (2 Mb QT Movie) Ames Room Diagram 3-D Pavement Art Illusions Moon Illusion Your Textbook: 218-232
10/25	W	Perception of Movement Corollary Discharge Theory A 2nd point about Afterimages Autokinetic Effect Drift-Induced Motion Your Textbook: 194-200
10/27	F	Stroboscopic Motion: Phi and MagnaPhi Stroboscopic Motion: Wagon wheel Illusion 1 Stroboscopic Motion: Wagon wheel Illusion 2
10/30	M	Motion Parallax Motion Parallax Diagram Optic Flow Motion Aftereffect Standard Induced Motion Example Shadow Cues and Motion Structure from Motion 1 (Accretion & Deletion) Structure from Motion - The Aperture Issue (aka Barber Pole Illusion) Structure from Motion 2 (Local vs. Global Occlusion) Structure from Motion 3 (Kinetic Depth Effect) Structure from Motion 4 (Biological Motion) Structure from Motion 4b (Biological Motion) Depth from Motion 1 Depth from Motion 2
11/1	W	Form The Gestalt Psychologists Ambiguous Figure 1 Ambiguous Figure 2 Ambiguous Figure 3 4 Laws of Grouping Grouping by Common Fate Gabor - Similarity Glass Patterns - Proximity Breathing Square - Importance of Local Cues The Problem of Prediction: 1 2 Kaniza Triangle 1 Kaniza Triangle 2 Motion-induced Blindness Object Recognition - Structural Approach Object Recognition - View-point / Image Approach Greeble - Greeble Identification - Greeble is a Verb! 1 2 Thatcher Illusion - the USA Version Change Blindness - Airplane Change Blindness - Chopper Change Blindness - Dinner Plate Change Blindness - Money Change Blindness - Merry Go Round Change Blindness - Frogs Change Blindness - Workroom Change Blindness - Bistro Classic Form Illusions Your Textbook: 168-184
11/3	F	Question & Answer/Review [Study Guide]
11/6	M	TEST 3
		Test 3 Results 9 AM Class 11 AM Class
AUDITION: Parallels and Differences
11/8	M	Physics of Sound Sound as Pressure Change Sound as Vibration Sound as Waves Sound as a Sine Wave Sound as a Sine Wave with Phase Angles (Large) Frequency Amplitude Common Amplitudes Phase Interference Complex waves Even more complex waves A general problem for the hearing system (dB Racing Article ) (or Listen to a recent dB story on This American Life) Your Textbook: 315-325
11/10	W	Auditory Physiology 1000 Hz tone The Ear Middle Ear Inner Ear ATC Story about Mosquito Tone 17Khz Tone Your Textbook: 325-332
11/13	M	Auditory Physiology & Pitch Von Bekesy Von Bekesy's Mechanical Model Von Bekesy's Results A Traveling Wave Otoacoustic Emissions Cochlear Implant Description of Cochlear Implant in operation Your Textbook: 332-338
11/15	W	Psychophysics of Pitch and Loudness Frequency to Pitch function Audibility Function Equal Loudness Contour (Sound Demo) Amplitude-Frequency Shift (Equal Pitch Contours) Speech Frequencies Doppler Effect Neuhoff-McBeath Doppler Illusion Your Textbook: 347-357
11/17	F	Sound Localization Directions terminology Basic situation Interaural Intensity Difference Interaural Time Difference Cone of Confusion Head Related Transfer Function (HRTF) Hearing and Not Hearing Echos (Reverberation Time Demo) Your Textbook: 365-374
11/20	M	Music Pitch Perception Music note is a complex wave Piano Note Timbre The Missing Fundamental Effect Timbre is more than only harmonics - Demo Pitch as a linear scale - Piano Keyboard Octave effect Piano Octaves Octave Pitch vs. Frequency Pitch chroma circle Pitch as a helix Shepard tone Endless staircase - visual illusion Endless staircase - Shepard illusion Shepard discrete steps [wav] [mp3] Risset continuous change [wav] [mp3] Your textbook: 376-380
11/22	W	Thanksgiving Break
11/24	F
11/27	M	Auditory Scene Analysis The General Problem Principles of Auditory Grouping: Location Pitch Similarity Proximity in Time Timbre Similarity - Wessel Effect Good Continuation Repetition   Visual Capture The Pseudophone: Hearing vs. Seeing George & Tony The McGurk Effect Why the McGurk Effect Occurs
11/29	W	Question & Answer/Review [Study Guide]
12/1	F	TEST 4
		Test 4 Results 9 AM 11 AM
12/4	M	Review for Final Exam
		Your Final Illusion