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hallucinations

·June 30, 2023·5 min read

Early Hallucinations in Parkinson’s Tied to Faster Cognitive Decline

Early hallucinations in Parkinson's disease patients might signal a faster cognitive decline. Through comprehensive neuropsychological interviews and electroencephalography measurements, researchers were able to link minor hallucinations, typically underreported, to more rapid deterioration of frontal executive function in subsequent years.

This shows a long road stretching off into the sunset

Featured Neuroscience Psychology

·April 7, 2022·4 min read

Recalled Experiences Surrounding Death: More Than Hallucinations?

Due to advances in resuscitation and critical care, many people are surviving near-death experiences. Survivors' recalled experiences are not consistent with hallucinations, but instead, follow a specific narrative arc involving perception.

This shows a drawing of a brain with squiggles showing the communication deficits

Auditory Neuroscience Featured Neuroscience Psychology

·March 23, 2022·4 min read

Brain Communication Defect in Psychotic Disorders

Reduced activation of gamma waves in the brain was associated with the emergence of psychosis symptoms prior to the full-blown disorder appearing.

Featured Neuroscience Psychology

·January 11, 2022·4 min read

Sleep Deprivation Increases Serotonin 2a Receptor Response in Brain

Sleep deprivation increases the levels of serotonin 2A neurotransmitter receptors within 6 - 8 hours. Abnormal serotonin 2A receptor function is associated with hallucinations, cognitive impairment, and is linked to psychiatric disorders such as schizophrenia.

Featured Neuroscience Open Neuroscience Articles Psychology

·October 26, 2021·4 min read

First Ever Body Maps of Hallucinations Created

Researchers have created the first body map of sensations experienced during hallucinations in people experiencing psychosis.

Featured Neuroscience Open Neuroscience Articles Psychology

·September 24, 2021·3 min read

Dysfunctional Synaptic Function Is Key to Schizophrenia

Schizophrenia itself is associated with loss of excitation, but hallucinations and other symptoms of the disorder are caused by a loss of synaptic inhibition.

Featured Neuroscience Psychology

·August 31, 2021·4 min read

Mapping the Brain Circuitry of Spirituality

Researchers find a region of the brain stem called the periaqueductal gray may mediate religiosity and spirituality in humans.

This shows a girl standing on a dock at night looking at an oversized moon

Featured Neuroscience Visual Neuroscience

·June 26, 2021·4 min read

Pseudo-Hallucinations: Why Some People See More Vivid Mental Images Than Others – Test Yourself Here

Study reveals people who experience intense visual imagery during a Ganzflicker test have naturally lower frequency rhythms in the visual cortex, making them more susceptible to pseudo-hallucinations.

Featured Neuroscience Psychology

·April 28, 2021·4 min read

A Psychedelic-Like Drug Without the Hallucinogenic Side Effects

PsychLight, a newly developed genetically encoded fluorescent sensor, helped researchers identify a psychedelic compound that acts on beneficial neural pathways to treat psychiatric disorders without the hallucinogenic effect.

This is a drawing of a mouse against a psychedelic background

Featured Neuroscience Psychology

·April 1, 2021·5 min read

Mice With Hallucination-Like Behaviors Reveal Insight Into Psychotic Illness

Mouse study reveals elevated dopamine levels preceded hallucination-like events, and artificially boosting dopamine levels induced more hallucination-like events. The behavioral effects could be blocked by administering haloperidol, an antipsychotic which blocks dopamine. The study sheds light on potential new treatments for psychotic disorders marked by hallucinations.

Featured Neuroscience Psychology Visual Neuroscience

·February 15, 2021·4 min read

Visual Hallucinations Among Blind People Increase During Pandemic

Loneliness, stress, and social isolation as a result of COVID-19 exacerbated and intensified visual hallucinations in blind people with Charles Bonnet Syndrome by 56%.