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[15] [16] Similarly, increasing the duration of a stimulus available in a reaction time task was found to produce slightly faster reaction times to visual [15] and auditory stimuli, [17] though these effects tend to be small and are largely consequent of the sensitivity to sensory receptors. [8]
Stimulus–response (S–R) compatibility is the degree to which a person's perception of the world is compatible with the required action. S–R compatibility has been described as the "naturalness" of the association between a stimulus and its response, such as a left-oriented stimulus requiring a response from the left side of the body.
At time zero, the evidence accumulated, x, is set equal to zero. At each time step, some evidence, A, is accumulated for one of the two possibilities in the 2AFC. A is positive if the correct response is represented by the upper threshold, and negative if the lower. In addition, a noise term, cdW, is added to represent noise in input.
Upon experimentation, participants were tested with a PRP paradigm in which the first task was an auditory task and the second task was a visual two choice task. Results indicated that there is an overall decrease in reaction time, exhibiting a psychological refractory period effect, however, there was no effect due to varying levels of ...
Location of visual, auditory and somatosensory perception in the superior colliculus of the brain. Overlapping of these systems creates multisensory space. Integration of all sensory modalities occurs when multimodal neurons receive sensory information which overlaps with different modalities.
Separate tests are administered for visual vs. auditory modes. In the visual version, the T.O.V.A. uses geometric shapes so that language and reading levels do not play a part in the scoring. The T.O.V.A. has two sections, similar to the high and low demand sections discussed above for the IVA.
This "light trail" is the image that is represented in the visual sensory store known as iconic memory. The other two types of SM that have been most extensively studied are echoic memory , and haptic memory ; however, it is reasonable to assume that each physiological sense has a corresponding memory store.
An example of visual capture is the ventriloquism effect, that occurs when an individual's visual system locates the source of an auditory stimulus at a different position than where the auditory system locates it. When this occurs, the visual cues will override the auditory ones.