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Diffusion Decision Model: Current Issues anc History
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DOI：10.1016/j.tics.2016.01.007.png)
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Abstract
En 中文
There is growing interest in diffusion models to represent the cognitive and neural processes of speeded decision making. Sequential-sampling models like the diffusion model have a long history in psychology. They view decision making as a process of noisy accumulation of evidence from a stimulus. The standard model assumes that evidence accumulates at a constant rate during the second or two it takes to make a decision. This process can be linked to the behaviors of populations of neurons and to theories of optimality. Diffusion models have been used successfully in a range of cognitive tasks and as psychometric tools in clinical research to examine individual differences. In this review, we relate the models to both earlier and more recent research in psychology.
Keywords:
CHOICE RESPONSE-TIME
SPEED-ACCURACY TRADEOFF
SHORT-TERM-MEMORY
PERCEPTUAL DECISION
EVIDENCE ACCUMULATION
RECOGNITION MEMORY
PRIOR PROBABILITY
SIGNAL-DETECTION
PARIETAL CORTEX
BRIGHTNESS-DISCRIMINATION
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