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Hyperphantasia is the condition of having extremely vivid mental imagery. [1] It is the opposite condition to aphantasia, where mental visual imagery is not present. [2] [3] The experience of hyperphantasia is more common than aphantasia [4] [5] and has been described as being "as vivid as real seeing". [4]
Perceptual disturbance or perceptual disorder may refer to: Perceptual disturbances or distortions, for instance with hallucinogenic drugs; Hallucinations, for instance visual or auditory hallucinations; Sensory processing disorder. Auditory processing disorder; Depersonalization-derealization disorder; Hallucinogen persisting perception disorder
Proponents have also claimed that adults may also show signs of sensory processing difficulties and would benefit for sensory processing therapies, [71] although this work has yet to distinguish between those with SPD symptoms alone vs adults whose processing abnormalities are associated with other disorders, such as autism spectrum disorder.
Agnosia is a neurological disorder characterized by an inability to process sensory information. Often there is a loss of ability to recognize objects, persons, sounds , shapes, or smells while the specific sense is not defective nor is there any significant memory loss . [ 1 ]
Dual sensory loss is the simultaneous loss of two senses. Research has shown that 6% of non-institutionalized older adults had a dual sensory impairment, and 70% of severely visually impaired older adults additionally suffered from significant hearing loss. [7] Vision and hearing loss both interfere with the interpretation and comprehension of ...
People with sensory processing issues may benefit from a sensory diet of activities and accommodations designed to prevent sensory overload and retrain the brain to process sensory input more typically. It is important in situations of sensory overload to calm oneself and return to a normal level.
His hallucinations consisted of perceptions of men, women, birds, carriages, buildings, tapestries, physically impossible circumstances and scaffolding patterns. [7] [24] Even though his health was in good shape and he had an absence of any psychiatric disorders, the source of the hallucinations remained unknown. [6]
An aura is a perceptual disturbance experienced by some with epilepsy or migraine.An epileptic aura is actually a minor seizure. [1]Epileptic and migraine auras are due to the involvement of specific areas of the brain, which are those that determine the symptoms of the aura.