PSYCH2.docx - Study Guide Fall 12 Quiz 2 1 Structure in the...

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What is Psychology?: Foundations, Applications, and Integration
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Chapter 6 / Exercise 11
What is Psychology?: Foundations, Applications, and Integration
Pastorino
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Study Guide Fall 12 Quiz 2 1. Structure in the ear that displaces fluid in the cochlea Hair cells vs. the vibrations of the oval window 2. Type of illusion where equal lengths of horizontal lines appear unequal Ponzo illusion 3. Difference between farsightedness and nearsightedness Nearsighted – occurs when the light waves form distant objects come into focus in front of retina Farsighted – is created by the opposite focusing problem – light waves from nearby objects come into focus behind retina 4. Receptor cells for the visual system Rods – responsible for dim light and achromatic (colorless) vision Cones – for bright light and color vision 5. Trichromatic theory of color vision Assumes that there are three types of cones, activated best by short, medium, or long wavelengths of light, roughly corresponding to blue, green, and red 6. Theories that explain low and high pitched sounds Place theory, frequency theory, and composite theory 7. The measure of sound wave peaks per second Frequency
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What is Psychology?: Foundations, Applications, and Integration
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Chapter 6 / Exercise 11
What is Psychology?: Foundations, Applications, and Integration
Pastorino
Expert Verified
8. Location of fluid movement that stimulates hair cells in the ear Fluid movement in inner ear and hair cells within the membrane 9. Most important for vision under low levels of illumination Dilated pupil by iris/ we focus in the periphery of the retina rather than the fovea (where the rods are) / look a bit side of the object/ dark adaptation sensitive 10. Smallest bones in the body Malleus, stapes, incus (all are in middle ear) 11. When visual processing begins When light waves are transduced into neural signals describing the visual image 12. Organ in the auditory system analogous to the retina in the visual system Organ of corti 13. Effect of subliminal perception I DO NOT KNOW T_____T 14. Human hearing level range in wave frequencies 20~20,000 Hertz 15. Visual phenomenon that stabilizes images as they come closer to you Perceptual constancy OR accommodation 16. Absolute threshold Minimum amount of energy in a sensory stimulus detected 50% of the time/ amount of energy that has an equal probability of being detected or not detected
17. Type of processing illustrated by the Principle of Closure The Gestalt perceptual organizational principle that the brain completes (closes) incomplete figures to form meaningful objects 18. Converting physical energy into neural signals Transduction 19. Theory that sounds of different pitch cause different rates of neural firing Frequency theory 20. Definition of perception Resulting interpretation by the brain after sensation 21. Wavelengths of light energy 400~700 nanometer 22. Sense that detects odor molecules Olfaction/olfactory perception/smell 23. Location of rods and cones and hair cells Rods – located mainly in periphery of retina Cones – located mainly in fovea and central retina Hair cells – inside cochlea 24. Theory of color vision regarding six type of nerve cells stimulated by one type of stimulus and inhibited by another Opponent theory
25. Controls the size of the pupil Iris constricts (lessen) to less the light & dilates (increase) to increase light 1.

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