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the amplitude of the EEG response became attenuated, or habituated when the warning stimulus was repeated without a subsequent imperative stimulus; the amplitude returned when the imperative stimulus followed the warning stimulus; amplitude was more prominent in situations where the subject could exert control by preventing the imperative stimulus.
Psychology Today content and its therapist directory are found in 20 countries worldwide. [3] Psychology Today's therapist directory is the most widely used [4] and allows users to sort therapists by location, insurance, types of therapy, price, and other characteristics. It also has a Spanish-language website.
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]
N2pc amplitude is sensitive to factors related to increasing demands on focused attention. When non-target stimuli closely resemble the target (e.g., when targets are defined by size, but the size difference between targets and distractors is very small), they elicit an N2pc of lower amplitude than a target stimulus [ 3 ] [ 6 ]
There are many kinds, generally written as A-B coupling, meaning the A of a slow wave is coupled with the B of a fast wave. For example, phase–amplitude coupling is where the phase of a slow wave is coupled with the amplitude of a fast wave. [70] The theta-gamma code is a coupling between theta wave and gamma wave in the hippocampal network ...
The N400 amplitude seen to the target word (honey) will be reduced upon repetition due to semantic priming. [1] The amount of reduction in amplitude can be used to measure the degree of relatedness between the words. Another widely used experimental task used to study the N400 is sentence reading. In this kind of study, sentences are presented ...
ERPs are used extensively in neuroscience, cognitive psychology, cognitive science, and psycho-physiological research. Experimental psychologists and neuroscientists have discovered many different stimuli that elicit reliable ERPs from participants. The timing of these responses is thought to provide a measure of the timing of the brain's ...
Amplitude is the size (magnitude) of the pressure variations in a sound wave, and primarily determines the loudness with which the sound is perceived. In a sinusoidal function such as C sin ( 2 π f t ) {\displaystyle C\sin(2\pi ft)} , C represents the amplitude of the sound wave.