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Psychology Chapter 4
Sensation and Perception
15
Psychology
12th Grade
11/09/2013

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Cards

Term
Difference threshold
Definition
The difference between 2 stimuli.
Term
Absolute threshold
Definition
The weakest amount of stimulus that can be sensed.
Term
Signal-detection theory
Definition
A method that is used to distinguishing sensory stimuli that takes into account such elements in a setting, such as physical state, mood and attitudes.
Term
Sensory adaption
Definition
Is the process by which we become more sensitive to weak stimuli and sensitive to unchanging stimuli.
Term
Pupil
Definition
The opening in the eye.
Term
Lens
Definition
Adjusts the distance of objects by changing its thickness.
Term
Retina
Definition
The sensitive surface in the eye.
Term
Photoreceptors
Definition
Neurons that are sensitive to light.
Term
Vision acuity
Definition
The sharpness of vision.
Term
Blind spot
Definition
The area of the eye that lacks photoreceptors.
Term
Complementary
Definition
The colors across from each other.
Term
Afterimage
Definition
The complementary color that you perceive after.
Term
Cochlea
Definition
The bony tube that contains fluid
Term
Auditory Nerve
Definition
The movement generates neural impulses that are transmitted to the brain.
Term
Conductive Deafness
Definition
Occurs because damage to the middle ear.
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