Search results
Results from the WOW.Com Content Network
Delirium (formerly acute confusional state, an ambiguous term which is now discouraged) [1] is a specific state of acute confusion attributable to the direct physiological consequence of a medical condition, effects of a psychoactive substance, or multiple causes, which usually develops over the course of hours to days.
Stress, hypometabolism, and oxidative damage may decrease physiologic reserve in the elderly and can lead to a decrease in neuron energy production and an increase in neuron damage. [12] Thioredoxin reductase is an antioxidant that neutralizes oxidative free radicals that can cause cell death. The brain is vulnerable to oxidative free radicals ...
Peduncular hallucinosis (PH) is a rare neurological phenomenon that causes vivid visual hallucinations that typically occur in dark environments and last for several minutes. Unlike some other kinds of hallucinations, the hallucinations that patients with PH experience are very realistic, and often involve people and environments that are ...
Wandering (especially if combined with sundowning) can result in the person being lost outdoors at night, dressed inappropriately, and unable to take many ordinarily routine steps to ensure his or her personal safety and security. This is a situation of great urgency, and the necessity of searching at night imposes added risks on the searchers.
Oneirophrenia (from the Greek words "ὄνειρος" (oneiros, "dream") and "φρήν" (phrēn, "mind")) is a hallucinatory, dream-like state caused by several conditions such as prolonged sleep deprivation, sensory deprivation, or drugs (such as ibogaine).
The cause of delusional disorder is unknown, [8] but genetic, biochemical, and environmental factors may play a significant role in its development. [ better source needed ] Some people with delusional disorders may have an imbalance in neurotransmitters , the chemicals that send and receive messages to the brain. [ 18 ]
[9] [10] These symptoms are more prominent in the late afternoon and at night, often causing insomnia. [9] The causes of RLS are generally unknown, though there are three major hypotheses: iron deficiency, dopamine insufficiency and genetic inheritance. [9] [10] RLS can also occur due to nerve damage, or neuropathy. [9]
Delusions and hallucinations may be reduced by increasing lighting in the evening, and making sure there is no light at night when the individual with DLB is sleeping. [191] With the increased risk of side effects from antipsychotics for people with DLB, educated caregivers are able to act as advocates for the person with DLB. [195]