Psych 100- PSU Brian Crosby Exam 2 Questions With 100% Correct Answers

Psych 100- PSU Brian Crosby Exam 2 Questions With 100% Correct Answers Absolute Threshold - answerLeast Energy for correct stimulus to detect 50% of the Time. Just Noticeable Difference - answerSmallest difference between two thing can be detected 50% of the time -difference in two weight Top-down Processing - answerexperience/expectations -listening to your favorite song bc you know how you'll feel -past experiences -Perception Bottom-up Processing - answerMaking new sense of new material -hearing a new song for the first time Perception - answerMethod which by sensations are interpreted and organized -two types: Top-Down and Bottom-Up Sensation - answerActivation of receptors in various sense organs- allowing outside stimuli to become neural signals in the brain Habituation Adaptation - answertendency for brain to stop realizing constant unchanging stimuli -Ex; fans, clock ticking, sounds that will fade Sensory Adaptation - answersensory receptors less responsive to constant stimuli -Ex;being cold in a pool goes away after a little while -getting used to smell of cigarette smoke after being in room -touch/taste/smell Order That Light Travels in Eye - answerCornea Iris Pupil Lens Retina (CIP LR) Cornea - answer1st stop of light focus's on light coming in Iris - answermuscle that controls size of pupil Pupil - answerWhen light enters interior of the eye Lens - answerhelps to focus light to the retina Visual Accommodation - answerWhen the lens change shape to focus in on something Retina - answer-Contains photo receptor cells -light gets covered to electrical impulses -3 Layers 3 Layers of the Retina - answer1) Light passes through ganglion and bipolar cells 2)reaches and stimulates rods and cones 3)Nerve impulses from rods and cones travel alone a nerve pathway to the brain How does light become a Impulse - answerLight Sensory Impulse Visual Cortex in occipital lobe then decisions are made Dark Adaption - answerrecovery of the eyes sensitivity to visual stimuli in darkness after exposure to light (Light to Dark) -Involved with Rods Light Adaptation - answerrecovery of the eyes sensitivity to visual stimuli in light after exposure to darkness (Dark to Light) -happens really quickly within a matter of seconds -Involved with Cones After image - answervisual sens