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PSC100 CH 5.2
5.2 Working Memory
Term | Definition |
---|---|
central executive | primary system for controlling attention and thinking w info stored temp in two storage buffers and one integration buffers |
phonological loop | stores and rehearses verbal and acoustic info |
visuospatial sketchpad (visual short-term memory) | stores and manipulates visual info (mental picture); retains visual info over time, stitches tgt info from one fixation to another |
episodic buffer | integrates info from multiple sources and long-term memory to form a single episode |
phonological store | holds sound or speech based info for 1-2 sec |
articulatory rehearsal loop | works through inner speach; holds 7 +/-2 items |
acoustic similarity effect | reduced capacity of working memory for items similar in sound, compared w items that are dissimilar in sound |
irrelevant speech effect | impairment of working memory by irrelevant spoken material |
ego depletion | when one's energy for mental activity is exhausted, impairing cognitive control and other cognitive activities (steve jobs, wearing same thing every day) |
Rumination | incessant focus on negative thoughts; negative thinking interferes with cognition and well-being |
Yerkes-Dodson curve | shows how performance suffers due to anxiety, especially for difficult tasks that require a high degree of cognitive control |