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Attention
The ability to focus on specific stimuli and location
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Selective Attention is
The ability to focus on ONE specific location, object or message
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Overt Attention
Process of shifting attention from one place to another
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Covert Attention
Attention is shifted without moving the eyes (Acting like you're reading a newspaper while really checking someone out behind the newspaper)
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Divided attention
Attending to two or more things at one. It can be overt or covert, or a combination of both.
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Dichotic listening
When one message is going into the left ear and another message is going into the right ear
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Broadbent model of attention
Message is received, sensory memory, filter, detector process, and short term memory
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Frontal cortex is in charge of
- -Reasoning and planning
- -Language, thought, memory, motor functioning
- -Helps coordinate multiple sensory information
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Parietal is in charge of
- -Touch
- -Temperature
- -Pain and pressure
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Temporal is in charge of
- -Auditory and perceptual processing
- -Language, hearing, memory and perceiving forms
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Localization of Function: Limbic system
- Hippocampus:forming memories
- Amygdala: emotions and emotional memories
- Thalamus: Procession information from vision, hearing and touch senses
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Fusiform face area responds specifically to faces
Temporal lobe damage causes prospoagnosia which is the inability to recognize faces
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Distributed processing
Specific functions are processed by many different brain areas
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Bottom-Up processing
- -Perception comes from stimuli in the environment
- -Parts are identified and put together, and then recognition occurs
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Top-Down Processing
- People actively construct perceptions using information based on expectations.
- -Involves making inferences based on context, guessing from experiences, and basing on perception on another. It occurs quickly and automaticall
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Geons
Objects are recognized when enough information is available to identify the objects.
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Perceiving size (Bottom up)
The size of the image on the retina
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Perceiving size (Top down)
- The perceived distance of the object
- The size of the object relative to other objects in the environment
- (The rat on the train tracks picture)
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Gesalt laws of perception
- Good contribution-lines tend to be seen as following the smoothest path
- Good figure-every stimulus pattern is seen so the resulting structure is as simple as possible
- Similarity-Similar things appear grouped together
- Familiarity-Things more likely to form groups if the groups appear familiar or meaningful (seeing objects in the clouds)
- Proximity-Things near each other appear grouped together
- Common fate-Things moving in the same direction appear to be grouped together (flock of birds)
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