Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

Increased hindsight bias in schizophrenia.

Todd S Woodward¹, Steffen Moritz, Michelle M Arnold

¹Department of Research, Riverview Hospital, 2601 Lougheed Highway, Coquitlam, British Columbia, Canada. toddswoodward@gmail.com

Neuropsychology

|July 19, 2006

Summary

People with schizophrenia show a stronger hindsight bias, recalling past events based more on new information than controls. This "knew-it-all-along" effect may explain cognitive differences in schizophrenia.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Mapping the acute effects of cannabis on multiple memory domains: A randomized, double-blind, placebo-controlled study.

Journal of psychopharmacology (Oxford, England)·2026

Same author

Minor Cannabinoid Use Among Medical Cannabis Patients.

Journal of psychoactive drugs·2025

Same author

Cannabis produces acute hyperphagia in humans and rodents via increased reward valuation for, and motivation to, acquire food.

Proceedings of the National Academy of Sciences of the United States of America·2025

Same author

Identifying behavioral and biological predictors of cannabis vapor self-administration in rats.

Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology·2025

Same author

Acute effects of cannabis on core and co-occurring features associated with autism spectrum disorder in adults.

Scientific reports·2025

Same author

A naturalistic examination of the effects of chronic and acute cannabis use on cognition and perceived symptoms of attention-deficit/hyperactivity disorder.

Psychopharmacology·2025

Area of Science:

Cognitive psychology
Psychiatry
Neuroscience

Background:

Prominent theories suggest schizophrenia involves information processing biased towards recent data over past learning.
The hindsight bias (knew-it-all-along effect) illustrates how new knowledge alters memory recall.

Purpose of the Study:

To investigate if individuals with schizophrenia exhibit an exaggerated hindsight bias compared to healthy controls.
To explore the role of recent information influence in schizophrenia's cognitive processing.

Main Methods:

Utilized the hindsight bias (knew-it-all-along) paradigm.
Compared the magnitude of the hindsight bias effect in patients with schizophrenia and control participants.

Main Results:

Related Experiment Videos

Patients with schizophrenia demonstrated a significantly greater hindsight bias effect than control participants.
This finding supports the hypothesis of disproportionate influence of recent information in schizophrenia.

Conclusions:

Schizophrenia is associated with an enhanced hindsight bias, indicating a stronger reliance on current information for memory recall.
The results offer insights into the cognitive mechanisms underlying delusion formation in schizophrenia.