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19 Cards in this Set

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The process of seeing a basic shape and size of the shape


the process of identifying what the object is following form perception

Bottom up influences

Stimulus based things that influence perception

Top-down influences

Knowledge or expectation driven influences on perception

Integrative agnosia

A marked impairment in the ability to complete tasks that require patients to judge how the features of something are bound together to form complex objects

Repetition priming

Repeated exposure to a stimulus - the first exposure primes for the second exposure

Word superiority effect

Words are easier to perceive than isolated letters, as are words that have been recently seen or are frequently viewed

Recognition by components (RBC) model

Says that geons might serve as the basic building blocks of all the objects we recognise.


Simple shapes, such as cylinders, cones and blocks, that make up objects. According to Biederman we need, at most, 36 different geons to describe every object in the world.


The inability to recognize faces

Dichotic listening

Hearing one input in one ear and a different input in the other ear - often used in research, with participants being told to attend to one channel, and ignore the other


Where participants repeat what they can hear from the attended channel in a dichotic listening task, so that researchers can tell that they are consciously attending to the correct channel only

Cocktail party effect

You can tune other sounds out but if you hear something familiar/important to you like your name you are likely to hear it

Change blindness

An observers inability to detect changes to scenes even though they might be "obvious" - like the gorilla experiment

Early selection

Hypothesizes that the attended input is selected early on, and the other input receives very little attention

Late selection

Hypothesizes that all of the input is attended to in a relatively complete manner, and then the attended input is selected

Spatial attention

The ability to focus on a particular position in space,and thus be better prepared for any stimulus that appears in that position

Perseveration error

The tendency to produce the same response over and over even when its obvious that the task requires a change in response


Tasks that have been heavily practiced can become automatic (automatic tasks), whereas controlled tasks are not yet practiced or are tasks that continually vary so its not possible to develop a standard routine.