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The following process connects a person's concepts and expectations (or knowledge) with restorative and selective mechanisms, such as attention, that influence perception. Perception depends on complex functions of the nervous system, but subjectively seems mostly effortless because this processing happens outside conscious awareness. [3]
The psychological definition of attention is "a state of focused awareness on a subset of the available sensation perception information". [12] A key function of attention is to identify irrelevant data and filter it out, enabling significant data to be distributed to the other mental processes. [4]
2 Sensation, perception and movement. 3 Learning and memory. 4 Language. ... arousal, and attention? Binding problem: How exactly is it that objects, background, ...
For example, the general sensation and perception of touch, which is known as somatosensation, can be separated into light pressure, deep pressure, vibration, itch, pain, temperature, or hair movement, while the general sensation and perception of taste can be separated into submodalities of sweet, salty, sour, bitter, spicy, and umami, all of ...
The attention threshold would be the period of minimum time needed for employing perception to clearly apprehend the scope of intention. From this perspective, a scientific approach to attention is relevant when it considers the difference between these two concepts (first of all, between their statical and dynamical statuses).
Vision dominates our perception of the world around us. This is because visual spatial information is one of the most reliable sensory modalities. Visual stimuli are recorded directly onto the retina, and there are few, if any, external distortions that provide incorrect information to the brain about the true location of an object. [18]
Psychophysics quantitatively investigates the relationship between physical stimuli and the sensations and perceptions they produce. Psychophysics has been described as "the scientific study of the relation between stimulus and sensation" [1] or, more completely, as "the analysis of perceptual processes by studying the effect on a subject's experience or behaviour of systematically varying the ...
What is considered a strange blurring of sensation from one perspective, is a normal and 'natural' way of perception of the world in another, and indeed many individuals and their cultures develop sensoria fundamentally different from the vision-centric modality of most Western science and culture. One revealing contrast is the thought of a ...