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21 Cards in this Set
- Front
- Back
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What is attention?
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the mental ability to select stimuli, responses, memories, or thoughts that are behaviourally relevant, among numerous and varying stimuli that are behaviourally irrelevant
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What does attention allow us to do?
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“[an organism to] select a subset of available information upon which to focus for enhanced processing”
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What happens when you are "attending" to only one ear when listening?
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When “attending “ to only one ear, information in the other ear is NOT recalled.
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What is the cocktail party effect?
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Attending to another conversation that is more interesting for you - if you are listening to someone boring.
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What was Broadbents dichotic listening paradigm on attention?
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Early and late selection. He stated that there was limited capacity to attend to all information. So the 'gate' opens for attended information and closes for ignored information.
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In what context would one have "early" selection information versus "late"?
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"Early" selection - in danger - sharp reflex of response.
Late selection - is more salient. |
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There are two main types of attention. what is An involuntary capture of attention?
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STIMULUS DRIVEN
EXOGENOUS PROCESSING BOTTOM UP PROCESSING |
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What is voluntary selection of attention?
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GOAL DRIVEN
ENDOGENOUS PROCESSING TOP DOWN PROCESSING |
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What is endogenous processing?
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Attention is generated from within. Top down processing. voluntary.
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What is exogenous processing?
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Attention has come from an external stimulus. Bottom up processing. involuntary.
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What is cuing attention?
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Participants are given a cue where a target will appear in the visual field. Top down processing. This is exogenous processing.
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Explain Overt vs Covert attention?
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If you have to shift your attention somewhere else - Overt.
If you maintain attention to a cue but are asked to be aware of another cue - Covert. |
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What are 3 types of attention?
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Sustained (vigilance), selective & divided attention.
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What is the default network?
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Always engaged and ready.
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what is ERP?
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Event related potentials.
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Distinguishing between a stimulus and a distractor shows ERP differences of how long?
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180ms after stimulus presentation.
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What is divided attention?
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You can talk on a phone and listen to someone else in the room.
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The Fronto-parietal attention network - looks at what 2 brain networks?
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Dorsal (goal driven - top down control) and ventral (bottom up, stimulus driven).
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What is the 'hallmark" of the sleep deprived state?
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Inattention.
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Why do individuals have lapses in attention when sleepy?
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Microsleeps - instability in the flip/flop switch.
Distraction - Reorienting attention to peripheral information. |
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What is Hemi-neglect?
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Damage to the postural lobe. Ignore information on the side that the damage is on. Patients behave as though the left half of their world does not exist. Often unaware of this unawareness.
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