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Sensory deprivation or perceptual isolation [1] is the deliberate reduction or removal of stimuli from one or more of the senses. Simple devices such as blindfolds or hoods and earmuffs can cut off sight and hearing, while more complex devices can also cut off the sense of smell, touch, taste, thermoception (heat-sense), and the ability to know which way is down.
Sensory cravings, [13] including, for example, fidgeting, impulsiveness, and/or seeking or making loud, disturbing noises; and sensorimotor-based problems, including slow and uncoordinated movements or poor handwriting. Sensory discrimination problems, which might manifest themselves in behaviors such as things constantly dropped. [citation needed]
Posttraumatic Stress Disorder: This refers to children who may be experiencing or has experienced a single traumatic event (e.g. an earthquake), a series of traumatic events (e.g. air raids), or chronic stress (e.g. abuse). Furthermore, the nature of the trauma and its effect on the child must be contextually understood.
Studies have shown that with the help of environmental enrichment the effects of sensory deprivation can be corrected. For example, a visual impairment known as "dark-rearing" in the visual cortex can be prevented and rehabilitated. In general, an enriched environment will improve, if not repair, the sensory systems animals possess. [52]
Critical periods of plasticity occur in the prenatal brain and continue throughout childhood until adolescence and are very limited during adulthood. Two major factors influence the opening of critical periods: cellular events (i.e. changes in molecular landscape) and sensory experience (i.e. hearing sound, visual input, etc.).
It is important that the information of these different sensory modalities must be relatable. The sensory inputs themselves are in different electrical signals, and in different contexts. [6] Through sensory processing, the brain can relate all sensory inputs into a coherent percept, upon which our interaction with the environment is ultimately ...
The Colavita visual dominance effect refers to the phenomenon in which study participants respond more often to the visual component of an audiovisual stimulus, when presented with bimodal stimuli. [1] Research has shown that vision is the most dominant sense for human beings [2] who do not suffer from sensory difficulties (e.g. blindness ...
Hallucinations caused by sensory deprivation can, like ganzfeld-induced hallucinations, turn into complex scenes. [4] William G. Braud with Charles Honorton were the first to modify the ganzfeld procedure for parapsychological use. [5] The effect is a component of the Ganzfeld experiment, a technique used in the field of parapsychology. [6]