Synonyms for hallucinosis or Related words with hallucinosis

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Examples of "hallucinosis"
Both alcoholic hallucinosis and DTs have been thought of as different manifestations of the same physiological process in the body during alcohol withdrawal. Alcoholic hallucinosis is a much less serious diagnosis than delirium tremens. Delirium tremens (DTs) do not appear suddenly, unlike alcoholic hallucinosis. DTs also take approximately 48 to 72 hours to appear after the heavy drinking stops. A tremor develops in the hands and can also affect the head and body. A common symptom of delirium tremens is that people become severely uncoordinated. The biggest difference between alcoholic hallucinosis and delirium tremens is that alcoholic hallucinosis have a much better prognosis than DTs. Moreover, delirium tremens can be fatal when untreated.
The cause of alcoholic hallucinosis is unclear. It seems to be highly related to the presence of dopamine in the limbic system with the possibility of other systems. There are many symptoms that could possibly occur before the hallucinations begin. Symptoms include headache, dizziness, irritability, insomnia, and indisposition. Typically, alcoholic hallucinosis has a sudden onset.
Alcoholic hallucinosis (or alcohol-related psychosis or alcohol-induced psychotic disorder) is a complication of alcohol withdrawal in alcoholics. Descriptions of the condition date back to at least 1907. They can occur during acute intoxication or withdrawal with the potential of having delirium tremens. Alcohol hallucinosis is a rather uncommon alcohol-induced psychotic disorder only being seen in chronic alcoholics who have many consecutive years of severe and heavy drinking during their lifetime. Alcoholic hallucinosis develops about 12 to 24 hours after the heavy drinking stops suddenly, and can last for days. It involves auditory and visual hallucinations, most commonly accusatory or threatening voices. The risk of developing alcoholic hallucinosis is increased by long-term heavy alcohol abuse and the use of other drugs.
The first documented case of peduncular hallucinosis was by French neurologist and neuropsychiatrist Jean Lhermitte, which described a 72-year-old woman’s visual hallucinations . The hallucinations occurred during normal conscious state and the patient’s neurological signs were associated with those characteristic of an infarct to the midbrain and pons. Von Bogaert, Lhermitte’s colleague, named this type of hallucination “peduncular,” in reference to the cerebral peduncles, as well as to the midbrain and its surroundings. In 1925, Von Bogaert was the first to describe the pathophysiology of peduncular hallucinosis through an autopsy of a patient. His autopsy revealed the infarction of many areas of the brain including the inferolateral red nucleus, superior colliculus, periaqueductal gray, third nerve nucleus, superior cerebellar peduncle, substantia nigra, and pulvinar. Later in 1932, Lhermitte, Levy, and Trelles discovered an association between peduncular hallucinosis and “pigmentary degeneration of the periaqueductal gray and the degeneration of the occulomotor nucleus.” Posterior thalamic lesions were also found to be linked to peduncular hallucinosis by De Morsier. More recently, magnetic resonance imaging (MRI) has been used to localize lesions in the brain characteristic of peduncular hallucinosis. In 1987, the first case of peduncular hallucinosis was reported in which MRI was used to locate a midbrain lesion.
Blabbermouth.net stated later in 2010 about the album, "A hugely forward-thinking and ambitious album, "Organic Hallucinosis" defined Decapitated's sound and spawned a host of imitators."
Peduncular hallucinosis (PH), or Lhermitte's peduncular hallucinosis, is a rare neurological disorder 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 familiar to the affected individuals. Because the content of the hallucinations is never exceptionally bizarre, patients can rarely distinguish between the hallucinations and reality.
People diagnosed with Parkinson's disease, narcolepsy-cataplexy syndrome, delirium tremens, Lewy Body Dementia, and temporal lobe epilepsy are more prone to complex visual hallucinations such as peduncular hallucinosis. Peduncular hallucinosis is more common in patients with a long duration of Parkinson's disease and also with a long treatment history, depression, and cognitive impairment. Paranoid delusions are common in these patients even though the hallucinations can occur during clear sensorium.
Long-term use rebound effects, which resembled those seen in withdrawal, have anecdotally been described in patients who were still taking a stable dose of the drug. The symptoms included delirium, hallucinosis, convulsions and fever.
The effect lesions on the brainstem have on the ascending reticular activating system (ARAS) has also been hypothesized. It was proposed that since the ARAS plays a role in consciousness and waking, the lesions of the brainstem common to peduncular hallucinosis may “disrupt ARAS impulses from the brainstem reticular formation” and, as a consequence, lead to the sleep disturbances characteristic of peduncular hallucinosis. The use of drugs such as Olanzapine may help treat sleep disturbances as it has been found to “improve sleep continuity, sleep quality, and [to] increase slow wave sleep.”
They are normally colorful, vivid images and occur during wakefulness, and predominately at night. Lilliputian hallucinations (also called Alice in Wonderland syndrome), hallucinations in which people or animals appear smaller than they would be in real life, are common in cases of peduncular hallucinosis. Most patients exhibit abnormal sleep patterns characterized by insomnia and daytime drowsiness. Peduncular hallucinosis has been described as a “release phenomenon” due to damage to the ascending reticular activating system, which is supported by the sleep disturbance characteristic of this syndrome. In most cases, people are aware that the hallucinations are not real. However, some people experience agitation and delusion and mistake their hallucinations for reality.
Other visual hallucinations tend to stem from psychological disorders. Whereas a person with a psychological disorder thinks their hallucinations are real, people with peduncular hallucinosis normally know that the visual hallucinations they see are not real. Peduncular hallucinations are independent of seizures, unlike some other visual hallucinations.
"Seeing pink elephants" is a euphemism for drunken hallucination caused by alcoholic hallucinosis or delirium tremens. The term dates back to at least the early 20th century, emerging from earlier idioms about snakes and other creatures. An alcoholic character in Jack London's 1913 novel "John Barleycorn" is said to hallucinate "blue mice and pink elephants".
Expansive delusions may be maintained by auditory hallucinations, which advise the patient that they are significant, or confabulations, when, for example, the patient gives a thorough description of their coronation or marriage to the king. Grandiose and expansive delusions may also be part of fantastic hallucinosis in which all forms of hallucinations occur.
Organic Hallucinosis is the fourth studio album by Polish death metal band Decapitated. The album was released on February 7, 2006, in the United States, on February 13 in Europe, and on February 22 in Japan. The release was followed by European and North American tours.
A limited edition of 1000 bonus CDs were given away for free by Earache Records for people who purchased "Organic Hallucinosis" in United Kingdom independent stores. It contains tracks from live at Earache Christmas party, Rescue Rooms, Nottingham, December 20, 2004. A Japanese edition was released by Teichiku Records, which contains live bonus tracks taken from the same recording as the bonus CD.
Allmusic stated about "Organic Hallucinosis": "Launching off of their new frontman's more versatile skills in delivering various stages of deathly grunting, the band has stepped up the complexity of their songwriting to match, while establishing a non-traditional death metal aesthetic."
Tomas Haake of the Swedish band Meshuggah announced a statement following the death of Vitek: "The metal community has lost one of the most talented and skillful drummers of our time! I remember when I first heard Decapitated's "Organic Hallucinosis" and it just blew me away! What a band and what a drummer! Vitek was a true talent and drummer genius".
In 1922, the French neurologist Jean Lhermitte documented the case of a patient who was experiencing visual hallucinations that were suggestive of localized damage to the midbrain and pons. After other similar case studies were published, this syndrome was labeled "peduncular hallucinosis."
According to "Kerrang!", "Decapitated have already released three classic albums; superbly conceived and executed eruptions of technical brilliance and razor-sharp songwriting that have turned these youthful Poles into one of the genre's most widely respected bands. Remarkably, "Organic Hallucinosis" takes that knack for producing extreme music with integrity and bagfuls of hooks even closer to perfection."
Treatment of any kind of complex visual hallucination requires an understanding of the different pathologies in order to correctly diagnose and treat. If a person is taking a pro-hallucinogenic medication, the first step is to stop taking it. Sometimes improvement will occur spontaneously and pharmacotherapy is not necessary. While there is not a lot of evidence of effective pharmacological treatment, antipsychotics and anticonvulsants have been used in some cases to control hallucinations. Since peduncular hallucinosis occurs due to an excess of serotonin, modern antipsychotics are used to block both dopamine and serotonin receptors, preventing the overstimulation of the lateral geniculate nucleus. The drug generically called carbamazepine increases GABA, which prevents the LGN from firing, thereby increasing the inhibition of the LGN. Regular antipsychotics as well as antidepressants can also be helpful in reducing or eliminating peduncular hallucinosis.