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20 Cards in this Set
- Front
- Back
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Failing to Attend to Info: Failure of Selection in Space
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There is a lot of info simultaneously present in front of you and you are simply not capable of noticing it all at once
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Failing to Attend to Info: Faluire of Selection in Time
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When new info arrives in rapid stream, spending time processing it will cause you to miss some other incoming info
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A system of selective attention
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Prevents us from becoming overloaded with irrelevant information
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Change Blindness
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The failure to detect changes in the physical aspects of a scene.
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Change Deafness
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The failure to detect changes between voices in an auditory scene.
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Attention is driven by what type of processing?
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Top-Down - it is highly adaptive as it is an effective way of extracting critical info from a flood of input. However, due to the wealth of competing stimuli, bottom down processing some times distracts you from your goal.
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Focused Attention
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Concentration on one source of input
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Divided Attention
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More than one source is attended to.
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Attentional Blink
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A short period which incoming info is not registered.
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Repetition Blindness
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The failure to detect the later appearance of a stimulus when the stimuli are presented in rapid succession.
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Endogenous Attention
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Is top-down. Voluntary
Originates from within. Can be overriden by salient and powerful stimuli which can capture attention and direct you away from the task at hand. Goal-driven. |
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Exogenous Attention
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Bottom-down process.
Attention is captured Stimuli outside oneself ex: sound of breaking glass or bright coloured shirts |
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Object- Based Attention
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When attention is directed towards an object, all parts of that object are simultaneously selected for processing.
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Bottleneck
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A restriction on the amount of info that can be processed at once
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Early Selection
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You can remember the attended ear in a shadowing task but only the gender of the speaker in the other ear
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Late Selection
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You can recognise semantic information in the other ear.
Basically, focus on everything and select only a small thing to go into your attention. |
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Cocktail Party Effect
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Hearing your friend call your name at a loud party is an example of how unattended but high-priority info can still be detected.
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Disjunctive Search Trials
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The target differs from the other characters of symbols (the distractors) by a single feature (such as shape)
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Conjunctive Search Trials
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In these trials, the target is defined by a conjunction of features (i.e colour and shape)
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Spatial Neglect
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Parietal Lobe Damage...opposite side of visual field to damaged area is not attended to.
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