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Perceptual and Motor Skills, 1998 Hallucinations, sensory perceptions without environmental stimuli, occur as simple experiences of auditory, gustatory, olfactory, tactile, or visual phenomena as well as mixed or complex experiences of more than one simple phenomenon. The nature of the hallucination assists localization, differential diagnosis, and treatment planning.
James Robert Brasić
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Comeback of ketamine: resurfacing facts and dispelling myths [PDF]
Korean Journal of Anesthesiology, 2021 Initially known as CI-581, ketamine was first synthesized in 1962 as a replacement from phencyclidine. It has since been used as an anesthetic and analgesic.
Abhijit Kumar, Amit Kohli
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In the twilight zone: An epidemiological study of sleep-related hallucinations
Comprehensive Psychiatry, 2021 Background: Few studies have investigated hallucinations that occur at the onset/offset of sleep (called hypnagogic/hypnopompic hallucinations; HHHs), despite the fact that their prevalence in the general population is reported to be higher than the ...
Josef J. Bless +6 more
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Multisensory hallucinations in visually impaired elderly subjects
Industrial Psychiatry JournalWe present two case studies that illustrate the classical Charles Bonnet Syndrome and a patient with multisensory hallucinations and delusion in a visually impaired elderly subject.
Abhinav Pradeep +5 more
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Sleep-related hallucinations in patients with Parkinson's disease.
PLoS ONE, 2022 Given that sleep-wake cycle dysfunction can cause hallucinations in Parkinson's disease patients, sleep-related hallucinations may be a different subtype from hallucinations that occur only during full wakefulness.
Tomoko Komagamine +6 more
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Functional connectome differences in individuals with hallucinations across the psychosis continuum
Scientific Reports, 2021 Hallucinations may arise from an imbalance between sensory and higher cognitive brain regions, reflected by alterations in functional connectivity.
Maya J. L. Schutte +12 more
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Neuro-functional modeling of near-death experiences in contexts of altered states of consciousness
Frontiers in Psychology, 2023 Near-death experiences (NDEs) including out-of-body experiences (OBEs) have been fascinating phenomena of perception both for affected persons and for communities in science and medicine.
Raymond Romand, Günter Ehret
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International Journal of Advanced Medical and Health Research, 2022 A 22-year-old male presented with borderline intelligence, visual and auditory hallucinations, and an obsessive urge to bite. He was investigated for organic pathology in view of visual hallucinations and his magnetic resonance imaging study showed ...
K P Lakshmi +3 more
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Occurrence and phenomenology of hallucinations in the general population: A large online survey
npj Schizophrenia, 2022 Although epidemiological studies report that hallucinations occur in 6–15% of the general population, little is known about their phenomenology. To overcome this paucity, this study investigates the phenomenological characteristics of hallucinations in ...
Mascha M. J. Linszen +10 more
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Hallucinations after Cardiac Surgery: A Prospective Observational Study
Medicina, 2020 Background and Objective: Hallucinations after cardiac surgery can be a burden, but their prevalence and phenomenology have not been studied well. Risk factors for postoperative hallucinations, as well as their relation to delirium are unclear.
Thomas H. Ottens +7 more
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