Cognitive psych ch 4
Terms
undefined, object
copy deck
- selective attention
- the processes throughwhich you somehow select one input and "tune out" the rest
- divided attention
- when you can do multiple tasks at once
- shadowing
- hear a recording and echo the speech back
- attended channel
- the message to be shadowed
- unattended channel
- the message to be ignored
- dichotic listening
- setup of attended and unattended channel
- cocktail party effect
- attended to a conversation but aware of buzz in the background. Hear a name of importance and immediately shift attention to that conversation.
- filter
- shields us from potential distractors
- fixation target
- look at the mark in the center of the computer screen
- inattentional blindness
- failure to see caused by inattention
- change blindness
- observer's remarkable inability to detect changes in scenes they are looking at
- limited-capacity system
- group of processes in which resources are limited, so that extra resources supplied to one process must be balanced by a withdrawal of resources somewhere else, so that the total resources expended do not exceed some limit
- spatial attention
- ability to focus on a particular position in space and thus to be better prepared for any stimulus that appears in that position
- unilateral neglect syndrome
- seems to ignore all inputs coming from one side of the body
- early selection
- hypothesis that the attended input is identified and privileged from the start, so that the unattended input receives little analysis
- late selection
- hypothesis that all inputs are processed fully, but the attended input reaches our conscious
- response selector
- presumably plays a key role in coordinating the timing of our various activities
- time-sharing
- one rapidly switches attention from one task to another, creating the appearance of doing two things at once
- executive control
- task general mental resource needed whenever someone wants to avoid interference from previous habit
- controlled tasks
- novel tasks that are difficult to combine with other tasks
- automatic tasks
- highly familiar with a well learned routine, so easily combined with other tasks