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Psych Exam 1 Ch6
| Question | Answer |
|---|---|
| Sensation | The process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment. "Stimulation of sense organs" |
| Perception | selection, organization, and interpretation of sensory input |
| cochlea | A coiled, bony, fluid-filled tube in the inner ear through which sound waves trigger nerve impulses. |
| depth cues | Binocular cues – clues from both eyes together retinal disparity Monocular cues – clues from a single eye texture and brightness apparent size, interposition |
| motion cues | Image across stationary retina Image constant with eye or head movement |
| iris | colored ring of muscle surrounding the pupil that controls the size of the pupil opening. |
| lens | The transparent structure behind the pupil that changes shape to help focus images on the retina. |
| retina | : neural tissue lining the inside back surface of the eye which absorbs light, processes images, and sends information to the brain |
| fovea | The central focal point in the retina, around which the eye's cones cluster |
| pupil | regulates amount of light |
| cones | Retinal receptors that detect black, white, and gray; necessary for peripheral and twilight vision, when cones don't respond. |
| rods | Receptor cells that are concentrated near the center of the retina and that function in the daylight or in well-lit conditions. The cones detect fine detail and give rise to color sensations. |
| blind spot | The point at which the optic nerve leaves the eye, creating a "blind" spot because no receptor cells are located there. |
| taste | Gustation Physical stimulus: soluble chemical substances sweet, sour, bitter, and salty Taste: learned and social processes |
| smell | Olfaction Physical stimuli: substances carried in the air Olfactory receptors = olfactory cilia Synapse directly with cells in brain |
| touch | Physical stimuli = mechanical, thermal, and chemical energy coming in contact with the skin Pathway: Sensory receptors -> the spinal cord -> brainstem -> thalamus -> somatosensory cortex (parietal lobe) |
| parapsychology | Study of perceptions not attributable to the five senses Knowing the future |
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