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In cognitive psychology, the Eriksen flanker task is a set of response inhibition tests used to assess the ability to suppress responses that are inappropriate in a particular context. The target is flanked by non-target stimuli which correspond either to the same directional response as the target ( congruent flankers), to the opposite ...
The eight-circuit model of consciousness is a holistic model originally presented as psychological philosophy (abbreviated "psy-phi" [1]) by Timothy Leary in books including Neurologic (1973) and Exo-Psychology (1977), later expanded on by Robert Anton Wilson in his books Cosmic Trigger (1977) [2] and Prometheus Rising (1983), and by Antero Alli in his books Angel Tech (1985) and The Eight ...
IOR was first described in depth by Michael Posner and Yoav Cohen, [1] who discovered that, contrary to their expectations, reaction times (RT) to detect objects appearing in previously cued locations were initially faster to validly cued location (known as the validity effect), but then after a period of around 300 ms, response times to a previously cued location were longer than to uncued ...
The shorter the prime-target SOA, the quicker the target can start the pursuit. When the target signal finally arrives at the motor cortex, it can continue the response process elicited by the prime (if prime and target are consistent) or redirect the response process (if prime and target are inconsistent).
Wundt applied this to mental processing speed. Wundt realized that the time it takes to see the stimulus of the star and write down the time was being called an "observation error" but actually was the time it takes to switch voluntarily one's attention from one stimulus to another. Wundt called his school of psychology voluntarism. It was his ...
[1] Figure 1. Model of the central bottleneck accounting for the psychological refractory period. Execution of one task requires three stages: Stage 1 entails the analysis of the perceptual characteristics of the stimulus, Stage 2 entails a decision about what the task-set requires, Stage 3 is the execution of the actual response.
In modern psychology, vigilance, also termed sustained concentration, is defined as the ability to maintain concentrated attention over prolonged periods of time. [1] During this time, the person attempts to detect the appearance of a particular target stimulus. The individual watches for a signal stimulus that may occur at an unknown time. [2]
The P3b has been a prominent tool used to study cognitive processes, especially psychology research on information processing. Generally speaking, improbable events will elicit a P3b, and the less probable the event, the larger the P3b amplitude. [10] This was shown to be true both for the overall probability and for the local probability. [2]