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Flashcards about distortions of perception, including visual illusions, agnosia, taste perception, synaesthesia, and spatial neglect.
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What is a perceptual distortion?
A mismatch between a perceptual experience and physical reality.
What do visual illusions demonstrate?
Cases in which reality is misperceived for no immediately apparent reason.
What is a visual illusion?
A misunderstanding of external visual stimuli due to a distortion or mistake in interpretation.
What is the Müller-Lyer illusion?
A visual illusion where two lines of equal length are incorrectly perceived as different lengths.
What is the carpentered world hypothesis?
An explanation for the Müller-Lyer illusion based on familiarity with architectural features.
What is the Ames room illusion?
An illusion where people appear to change size based on their position in a trapezium-shaped room.
What causes the Ames Room illusion?
The unusual construction of the room, where one side is longer and higher than the other which distorts visual perception principles
What is the Spinning Dancer illusion also known as?
Silhouette illusion
How is the spinning dancer illusion explained?
The lack of depth cues to distinguish between the front and back of the silhouette.
What is Agnosia?
The loss or impairment of the ability to recognize and identify objects, persons, sounds, or other sensory stimuli despite otherwise normally functioning senses.
What is Apperceptive visual agnosia?
An inability to accurately perceive visually presented stimuli and to recognize parts of stimulus.
What is Associative visual agnosia?
An inability to associate a visual stimulus with stored information about objects in memory.
What is Prosopagnosia?
An inability to recognize familiar faces, including their own.
What is Simultanagnosia?
An inability to recognize more than one object at a time in a scene.
What is Topographical agnosia?
An inability to find one’s way around familiar environments.
What is Colour agnosia?
An inability to identify and distinguish between different colours, despite normal basic colour vision.
What is Agnosic alexia?
An inability to recognize or comprehend written or printed words.
What is a supertaster?
A person who is more sensitive to certain tastes, especially bitter, than most others.
What is Miraculin?
A protein found in miracle berries that causes sour foods to taste sweet.
What influences the flavor we experience?
Expectations based on preconceived ideas and perceptual Set.
What is texture?
property of food or beverage that is felt in the mouth and contributes to flavour along with taste, vision and other sensations
What is Synaesthesia?
A perceptual experience in which stimulation of one sense produces additional sensations in another.
What is Spatial Neglect?
A neurological disorder whereby individuals are unable to notice anything either on their left or right side even though there may be no sensory loss