Hallucination News and Research

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A hallucination, in the broadest sense of the word, is a perception in the absence of a stimulus. In a stricter sense, hallucinations are defined as perceptions in a conscious and awake state in the absence of external stimuli which have qualities of real perception, in that they are vivid, substantial, and located in external objective space.

New study quantifies the incidence of neuropsychiatric events in children with flu

While the incidence of influenza-associated neuropsychiatric events in children in the United States is unknown, the controversy over the use of a common antiviral medication typically administered to treat flu in children has sparked concern among parents and medical professionals alike.

24 Jul 2023

Early hallucinations may indicate faster cognitive decline in patients with Parkinson's disease

Have you ever felt the strong sensation that someone is behind you, so intense that you turn around, only to see that no-one is there? This is a 'presence hallucination'.

29 Jun 2023

Potential benefits and drawbacks of using AI tools in the field of clinical radiology

Since the launch of ChatGPT in November 2022, the use of large language models (LLMs) powered by artificial intelligence (AI) has taken the world by storm.

24 May 2023

AI may be on its way to your doctor’s office, but it’s not ready to see patients

What use could health care have for someone who makes things up, can't keep a secret, doesn't really know anything, and, when speaking, simply fills in the next word based on what's come before? Lots, if that individual is the newest form of artificial intelligence, according to some of the biggest companies out there.

12 May 2023

Cannabis users with a genetic predisposition to schizophrenia more likely to experience psychotic symptoms

A study published in the journal Schizophrenia Bulletin highlights that genetic risk factors for schizophrenia can increase the possibility of experiencing cannabis-related subclinical psychotic symptoms in regular cannabis users.

24 Apr 2023

ChatGPT-4 outperforms GPT-3.5 and Google Bard in neurosurgery oral board exam

Researchers evaluate the performance of three large language models (LLMs) on a question bank designed for neurosurgery oral board examination preparation. The study found that GPT-4 achieved the highest score of 82.6%, outperforming ChatGPT and Google's Bard.

19 Apr 2023

Emergence delirium does not affect children's behavior three months after surgery

Emergence delirium -; a confused state during recovery from anesthesia that may include disorientation, hallucination, restlessness and purposeless hyperactivity -; does not affect a child's behavior three months after surgery, according to research being presented at the ANESTHESIOLOGY® 2022 annual meeting.

24 Oct 2022

Machine learning can help create proteins much more accurately, quickly than previously possible

Over the past two years, machine learning has revolutionized protein structure prediction. Now, three papers in Science describe a similar revolution in protein design.

15 Sep 2022

New AI software can create proteins that may be useful as vaccines, cancer treatments

Scientists have developed artificial intelligence software that can create proteins that may be useful as vaccines, cancer treatments, or even tools for pulling carbon pollution out of the air.

21 Jul 2022

Cannabidiol for Parkinson's disease symptom management

Scientists have published a review study in the Journal for Nurse Practitioners that has focussed on various aspects of the use of cannabidiol in Parkinson's.

17 May 2022

Psychedelic analogs show antidepressant-like activity in mice without causing hallucination

Analogs of drugs like psilocybin and LSD show antidepressant-like activity in mice without causing hallucination, researchers report.

27 Jan 2022

Neural network 'hallucinates' proteins with new, stable structures

Just as convincing images of cats can be created using artificial intelligence, new proteins can now be made using similar tools. In a report in Nature, a team including researchers at the University of Washington, Rensselaer Polytechnic Institute, and Harvard University describe the development of a neural network that "hallucinates" proteins with new, stable structures.

1 Dec 2021

Phantosmia, parosmia, and dysgeusia in COVID-19 patients

A team of researchers investigated qualitative aspects of olfactory and gustatory symptoms such as phantosmia, parosmia, and dysgeusia and their possible co-relation with the adaptive immune system.

17 Nov 2021

About 4 in 100 COVID-19 hospitalized children may develop neurological complications, a study finds

In a recently published article in The Lancet’s Child & Adolescent Health, scientists have described in detail neurological and psychiatric manifestations of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in children. As mentioned in the study, an estimated prevalence of infection-related neurological complications and pediatric inflammatory multisystem syndrome in hospitalized children and adolescents is about 3.8 cases per 100 patients.

15 Jul 2021

Mice experiencing hallucination-like events provide clues to understand psychosis

The humble lab mouse has provided invaluable clues to understanding diseases ranging from cancer to diabetes to COVID-19. But when it comes to psychiatric conditions, the lab mouse has been sidelined, its rodent mind considered too different from that of humans to provide much insight into mental illness.

1 Apr 2021

Study: Spiritualists are more likely to report unusual auditory phenomena early in life

Spiritualist mediums might be more prone to immersive mental activities and unusual auditory experiences early in life, according to new research.

17 Jan 2021

Study reveals a brain mechanism underlying visual hallucinations in the blind

Some people have lost their eyesight, but they continue to "see." This phenomenon, a kind of vivid visual hallucination, is named after the Swiss doctor, Charles Bonnet, who described in 1769 how his completely blind grandfather experienced vivid, detailed visions of people, animals and objects.

7 Jan 2021

Lab models can be the best way to study hallucinations, neuroscientists say

Neuroscientists say the best way to study hallucinations is via lab models where they can be induced in anyone, anytime.

18 Dec 2020

New evidence of neurobiological mechanism for hallucinations and delusions found

A new study from researchers at Columbia University Vagelos College of Physicians and Surgeons has found evidence of a potential neurobiological mechanism for hallucinations and delusions that fits within the hierarchical model of psychosis and can explain their clinical presentation.

9 Nov 2020

Study: Impact of earlier diagnosis in focal epilepsy goes beyond timely treatment

Having subtler symptoms, a form of epilepsy that affects only one part of the brain often goes undiagnosed long enough to cause unexpected seizures that contribute to car crashes, a new study finds.

20 Oct 2020