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Although this sleep disorder is more common in blind people, affecting up to 70% of the totally blind, [4] it can also affect sighted people. Non-24 may also be comorbid with bipolar disorder, depression, and traumatic brain injury. [2]
Lack of sleep has a significant impact on cognitive and physical performance, especially in endurance sports. Long-term sleep deprivation was shown to affect neurobehavioral function, including hallucinations and reduced reaction times, in a study of ultramarathon runners.
Visual or vision impairment (VI or VIP) is the partial or total inability of visual perception.In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. [6]
One of the important questions in sleep research is clearly defining the sleep state. This problem arises because sleep was traditionally defined as a state of consciousness and not as a physiological state, [14] [15] thus there was no clear definition of what minimum set of events constitute sleep and distinguish it from other states of partial or no consciousness.
A new study published in the journal Sleep Medicine focused on how the blind dream. For sighted people, dreaming is primarily a visual ... A new study published in the journal Sleep Medicine ...
A physical disability is a limitation on a person's physical functioning, mobility, dexterity or stamina. [1] Other physical disabilities include impairments which limit other facets of daily living , such as respiratory disorders , blindness , epilepsy [ 2 ] and sleep disorders .
Sleepwalking is a sleep disorder, or parasomnia, that happens during the deep part of nonrapid eye movement (NREM) sleep — usually within a couple of hours after falling asleep. ... Brain injury ...
Vilayanur S. Ramachandran's book Phantoms in the Brain. Ramachandran suggests that James Thurber, who was blinded in one eye as a child, may have derived his extraordinary imagination from the syndrome. [25] Vikram Chandra's book Sacred Games (2006) David Eagleman's book Incognito: The Secret Lives of the Brain; Oliver Sacks' 2012 book ...