Chapter 10- Visual Imagery

Visual Imagery

“seeing” in the absence of a visual stimulus

Mental Imagery

experiencing a sensory impression in the absence of sensory input

Consciousness

sensations, feelings, and images

Imageless thought debate

is thinking possible without images?

Paivio

Conceptual Peg Hypothesis

Conceptual Peg Hypothesis

suggests that memory for words is enhanced when they are concrete and form vivid mental images, acting as "pegs" (hooks) for other information

Shepard and Metzler

Mental chronometry

Mental chronometry

amount of time needed to carry out a task

Mental scanning

participants create mental images and then scan them in their minds

Spatial representation is an epiphenomenon

accompanies real mechanism but is not actually a part of it

Pylyshyn proposed that imagery is propositional

can be represented by abstract symbols

Mental Walk

participants had to move closer to small vs large animals

Imagery neurons

respond to both perceiving and imagining an object

Topographic map

activates specific location on brain structure

Spatial Imagery

the ability to visualize spatial relations

Object imagery

ability to visualize details, features, and objects

Aphantasia

inability to generate mental images voluntarily

Visual agnosia

inability to recognize or name visual objects despite intact vision