Delusion News and Research

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A delusion, in everyday language, is a fixed belief that is either false, fanciful, or derived from deception. Psychiatry defines the term more specifically as a belief that is pathological (the result of an illness or illness process). As a pathology, it is distinct from a belief based on false or incomplete information, apperception, illusion, or other effects of perception.

Shifting expectations of unpredictability could help treat schizophrenia delusions

New research has found that improvements to the severity of delusions in patients with schizophrenia-spectrum disorder recovering from an acute psychotic episode were significantly associated with reductions in volatility priors—someone's expectations about the unpredictability of their environment.

18 Aug 2026

Blood protein structure changes may enable earlier detection of Alzheimer’s

Advanced proteomics and AI reveal blood protein changes, offering insights into early Alzheimer's detection and differentiation from mild cognitive impairment.

13 Mar 2026

Novel therapy for psychosis tackles disturbing mental imagery

A pioneering therapy targeting distressing and disturbing mental images for people with psychosis could lead to a transformative intervention for a condition estimated to cost England almost £12 billion a year.

6 Nov 2025

Historical review reveals French contributions to depression research

In an era where mental health awareness is at the forefront of public discourse, a new historical review is shedding light on the often-overlooked French contributions to our understanding of depression.

16 Oct 2024

McGill study sheds light on delusion patterns in youth psychosis

New findings from McGill University researchers could help clinicians understand the course of delusions in youth and young adults that signal the need for a timely intervention to prevent a full relapse of psychosis.

11 Sep 2024

Dopaminergic drug levodopa linked to better sleep in Parkinson’s patients

A study involving 22 Parkinson's disease (PD) patients has shown that use of the dopaminergic drug levodopa improves sleep quality.

13 Aug 2024

McLean Hospital partners with Rippl Care to address mental health needs of seniors with dementia

To address a crisis of unmet mental health needs among seniors with dementia and their family caregivers amid a shortage of mental health providers with expertise treating this population, McLean Hospital, a member of Mass General Brigham, has entered into an agreement to offer strategic advisory services and professional education to Rippl Care.

9 Oct 2023

Semantic networks in the brains of schizophrenia patients found to be different from healthy individuals

In a study published last month in Schizophrenia Bulletin, researchers from Tokyo Medical and Dental University revealed that the semantic networks in the brains of schizophrenia patients are very different from those in healthy humans.

17 Jan 2023

Washington state retools first-in-the-nation long-term care benefit

Patricia Keys, 71 and a stroke survivor, needs help with many everyday activities, such as dressing and bathing. Her daughter Christina, who lives near her mom in Vancouver, Washington, cares for her in the evenings and pays about $3,000 a month for help from other caregivers.

18 Apr 2022

COVID-19 and subacute neuropsychiatric symptoms in adolescents

A new paper discusses neurologic symptoms in children with COVID-19.

27 Oct 2021

Neuropsychiatric symptoms in children and adolescents with long COVID

In a recent study, researchers determine the presence of any neuropsychological symptoms after recovering from COVID-19 in children and adolescents.

8 Sep 2021

Study finds a neural circuit for spirituality and religiosity

More than 80 percent of people around the world consider themselves to be religious or spiritual. But research on the neuroscience of spirituality and religiosity has been sparse.

1 Jul 2021

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

Cory Gardner’s bill has as much to do with politics as preexisting conditions

Sen. Cory Gardner, a Republican running in a tight race for reelection in Colorado, says he wants to protect people with medical conditions.

18 Sep 2020

Obama: GOP’s stance on preexisting conditions off-base, especially during pandemic

Endorsing his former vice president, Joe Biden, to win the White House, former President Barack Obama sought to contrast the 2020 platforms of Democrats and Republicans on a critical plank: their stance on the Affordable Care Act. It's a difference, he argued, that has assumed newfound urgency.

17 Apr 2020

Harvard Chan School and Thrive Global announce launch of The Health And Wellness For All Program

Building on its renowned commitment to support the public health community around the world, the Harvard T.H. Chan School of Public Health announced today the launch of The Health and Wellness For All Program in collaboration with Thrive Global, the behavior change technology company founded by Arianna Huffington to help people adopt healthier habits to reduce stress and improve health and performance.

16 Mar 2020

Trump’s latest health care challenge: Gaining voters’ trust

Far more Americans disapprove of President Donald Trump's handling of several high-profile health care issues than give him positive marks, underscoring the challenge the president faces in claiming health care as a political asset in his reelection bid.

30 Jan 2020