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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.
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.
Sensory information for computational maps comes from auditory and visual stimuli . Thus, any auditory or visual information that is constructed by neural computation, which is when the brain relates two or more bits of information in order to obtain some new information from them, can combine to change the already existing sensory map to ...
Hubel and Wiesel showed that receptive fields and thus the function of cortical structures, as one proceeds out from V1 along the visual pathways, become increasingly complex and specialized. [76] From this it was postulated that information flowed outwards in a feed-forward fashion; the complex end products eventually binding to form a percept.
Along with the visual ventral pathway being important for visual processing, there is also a ventral auditory pathway emerging from the primary auditory cortex. [20] In this pathway, phonemes are processed posteriorly to syllables and environmental sounds. [ 21 ]
For example, consider auditory spatial input. The location of an object can sometimes be determined solely on its sound, but the sensory input can easily be modified or altered, thus giving a less reliable spatial representation of the object. [19] Auditory information therefore is not spatially represented unlike visual stimuli.
Activation of the BNST by certain hormones is thought to promote a startle response [12] The auditory pathway for this response was largely elucidated in rats in the 1980s. [14] The basic pathway follows the auditory pathway from the ear up to the nucleus of the lateral lemniscus (LLN) from where it activates a motor centre in the reticular ...