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Cognitive Psychology ch 2
Exam 1
19
Psychology
Undergraduate 4
02/07/2012

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Cards

Term
Sensation
Definition
Transduction of physical energy into an initial representation.
Term
Transduction
Definition
Conversion of one kind of energy into another kind
Term
Perception
Definition
The result of processes that construct mental representations of the information available in the environment.
Term
Blindsight
Definition
Vision without awareness that can be observed in patients with lesions in the occipital lobe.
Term
Pattern Recognition
Definition
Step between the transduction and perception of a stimulus in the environment and its categorization
Term
Apperceptive Agnosia
Definition
Failure of pattern recognition caused by an inability to categorize objects at a perceptual level of analysis. Damage to the rear/posterior region of Right hemisphere. Couldn't detect the dog at various angles.
Term
Associative Agnosia
Definition
Caused by an inability to categorize objects at a functional semantic level of analysis. Umbrella/can problem! Left hemisphere damage.
Term
Schema
Definition
Mental representation that organizes knowledge about related concepts.
Term
Conceptually Driven Processes
Definition
Top-down; reduce the need to sample all of the information available in the environment by providing the perceiver with expectations.
Term
Data-driven Processes
Definition
Bottom-up; analyze the edges, lines, areas of light and dark, colors, sounds, and other physical features available briefly in sensory memory.
Term
Word Superiority Effect
Definition
A single letter is identified faster when in the context of an entire word than when isolated.
Term
Change Blindness
Definition
People fail to notice large changes in visual scenes.
Term
Biederman
Definition
26 geons (geometric features).
Term
Holistic Processing
Definition
Perceiving the whole object.
Term
Analytic Processing
Definition
Perceiving the features that compose the whole.
Term
***
Definition
Perception of faces is unique in that it is more strongly influenced by holistic processing than by analytic processing.
Term
Prosopagnosia
Definition
Selective inability to recognize faces.
Term
Phoneme
Definition
Speech sound or phonological segment that makes a difference in meaning.
Term
Coarticulation
Definition
Each segment of the acoustic signal provides clues about the identity of more than one phoneme
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