<p> Unit 4 – Chapter 5 – Sensation Notes</p><p>Sensation v. Perception Sensation-</p><p>Perception-</p><p>Bottom Up (Sensation) v. Top Down (Perception) Bottom Up-</p><p>Top Down-</p><p>Psychophysics Psychophysics is…………………</p><p>Light-</p><p>Sound-</p><p>Pressure-</p><p>Taste-</p><p>Thresholds 1. Absolute Threshold-</p><p>2. Subliminal-</p><p>3. Difference Threshold-</p><p>Weber’s Law-</p><p>4. Signal Detection Theory-</p><p>Sensory Adaption-</p><p>The Science of Energy and Sensation 1. Transduction-</p><p>2. Wavelength-</p><p>3. Hue-</p><p>4. Intensity-</p><p>1. Sense Number 1: The Eye Step One- Light Enters the Eye 1. Cornea-</p><p>2. Pupil-</p><p>3. Iris-</p><p>Step Two- An Image is produced 1. Lens-</p><p>2. Accommodation-</p><p>3. Retina-</p><p>Step Three- A chemical reaction is made and the image is processed in the Brain 1. Rods and Cones-</p><p>2. Bipolar Cells-</p><p>3. Ganglion Cells-</p><p>4. Optic Nerve- 5. Thalamus- 6. Visual Cortex-</p><p>7. Occipital Lobe-</p><p>Parts of the Retina-</p><p>1. Blind Spot-</p><p>2. Fovea-</p><p>3. Cones-</p><p>4. Rods-</p><p>Errors in Vision- 1. Acuity-</p><p>2. Nearsightedness-</p><p>3. Farsightedness-</p><p>Vision Involves Parallel Processing 1. Parallel V. Serial Processing-</p><p>2. Feature Detectors-</p><p>Two theories on how we see colors 1. Trichromatic (Three Color) Theory- 2. Opponent Process Theory-</p><p>Color Constancy-</p><p>Context Affects Color-</p><p>2. Sense Number Two: The Ear</p><p>Amplitude-</p><p>Frequency-</p><p>Hearing Threshold</p><p>Decibels Parts of the Ear</p><p>1. Outer Ear- Job-</p><p>Parts-</p><p>2. Middle Ear- Job-</p><p>Parts-</p><p>3. Inner Ear- Job-</p><p>Parts-</p><p>How we Hear-</p><p>Step One:</p><p>Step Two:</p><p>Step Three:</p><p>Step Four:</p><p>Step Five:</p><p>Step Six: Step Seven:</p><p>Inner ear and Vestibular Sense</p><p>Vestibular Sac-</p><p>Vestibular Sense-</p><p>How Do we Perceive Pitch:</p><p>Theory One- Helmholtz’s Place theory-</p><p>Theory Two- Frequency Theory-</p><p>Volley Principle-</p><p>How do we Locate Sounds?</p><p>Parallel Processing</p><p>Hear Loss- 2 Kinds</p><p>1. Conductive Hearing Loss 2. Sensorineural Hearing Loss-</p><p>3. Sense Three- Touch Premature Babies-</p><p>Monkeys-</p><p>4 Skin Receptors </p><p>Gate Control Theory-</p><p>Social Influence on Pain (Willing the pain to go away)</p><p>Memories and Pain </p><p>4/5. Sense 4 and 5- Taste and Smell</p><p>4 Taste Sensations</p><p>Taste and Smell</p><p>Smell receptors and process of smell</p><p>Smell and Emotion</p><p>Sensory Restriction </p>