Chp 10 Imagery

mental walk task

A task used in imagery experiments in which participants are asked to form a mental image of an object and to imagine that they are walking toward this mental image.

imagery neurons

A type of category-specific neuron that is activated by imagery. Kreiman

mental scanning

A process of mental imagery in which a person scans a mental image in his or her mind.

unilateral neglect

A syndrome in which people ignore objects located toward their left and the left sides of objects located anywhere; most often caused by damage to the right parietal lobe

tacit knowledge explanation

An explanation proposed to account for the results of some imagery experiments that states that participants unconsciously use knowledge about the world in making their judgments. This explanation has been used as one of the arguments against describing imagery as a depictive or spatial representation.

depictive representation

Corresponds to spatial representation. So called because a spatial representation can be depicted by a picture.

Patient MGS

She had part of her right occipital lobe removed. Removing part of the visual cortex reduced the size of her field of view, so the horse filled up the field when she was farther away. This result supports the idea that the visual cortex is important for imagery

imageless thought debate

The debate about whether thought is possible in the absence of images.

conceptual peg hypothesis

concrete words allow forming visual images that other words, items, etc. can "hang onto"

Ira and his sister are playing "Name that Tune," the object of which is to name the title of the song when given the song's first line. Ira suggests the line "Sleigh bells ring, are you listening?" His sister can't come up with the answer at first, but realizing that the title is often embedded in the lyrics, she tries to sing them silently to herself. She then bursts out "Ah! It's 'Winter Wonderland'!" It is most likely that Ira's sister used ________ in playing the game.

inner audition

propostional representation

relationships in imagery represented by abstract symbols from language.