Working memory - Baddeley's multicomponent theory

5 important questions on Working memory - Baddeley's multicomponent theory

what is dynamic memory?

interpretation of real or perceived motion in visu-spatial sketchpad

what are 4 effects of dynamic memory?

1. representational momentum: misremember orientation of object as further along its path of motion than actually last seen.

 

2. representational gravity: memory for objects tends to be distorted toward the earth, especially when objects are not supported

 

3. moving objects mentally slow down more when moving along another object that can produce friction - mentally youre predicting the outcome of events

 

4. dynamic memory exhibits context effects: physical property exerted can depend on what object it is

what does the episodic buffer do?

binds together info from phonological loop, visuo-spatial sketchpad and longterm mem to form new episodic memories.

 

-the process uses attention and can be disrupted by concurrent tasks

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how doe sthe central executove work in baddeleys model?

- allocation of attention

- dealing with active processes not directly handled by subsystems

- does moest of the working memory work

- distributes memory resources. acitivity that brings body to heightened arousal -> + working memory

 

one machanism it uses is suppression:

- to keep irrelevant info out of working memory or remove info that has become irrelevant or inappropriate

what is the dysxecutive syndrome? when does it happen?

disruption of central executive

 

with damage to frontal lobes

 

causes two types of behavior:

- preservations: not switching in way of performing a task when you need to

- distractions: drifting attention and locking to another stimulus

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