Cited by 47Schizophrenia research and treatmentHallucinations in medical conditionsMemory Processes and Influences

Intentional inhibition in memory and hallucinations: Directed forgetting and updating.

Soriano, M. F., Jiménez, J. F., Román, P., Bajo, M. T.·2009·Neuropsychology

Abstract

Hallucinations have been recently associated with inhibitory deficits in memory. In this study, the authors investigated whether hallucinations were related to difficulties to inhibit irrelevant information from episodic memory (Experiment 1) and working memory (Experiment 2). In Experiment 1, a directed forgetting task was used. This task measures participants' ability to intentionally forget some recently learned material, when instructions indicate that it is no longer relevant. In Experiment 2, an updating task was used. This task requires participants to intentionally suppress irrelevant information from working memory. Results showed that patients with schizophrenia with hallucinations presented inhibitory deficits in the directed forgetting task and an increase in the number of intrusions in the updating task, compared to patients without hallucinations and healthy controls. No correlations were found between indices of inhibition and other general, negative or positive symptoms. These findings support the existence of an association between intentional inhibition in memory and hallucinations, and they suggest that problems to suppress memory representations can underlie hallucinations in schizophrenia.

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Crossref · 10.1037/a0013739

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  • Hallucination frequency in schizophrenia is associated with difficulties on tasks requiring suppression of irrelevant and distracting information, pointing to deficits in intentional inhibition.

    “In support, studies have showed that hallucination frequency in SCZ was associated with difficulties on tasks requiring the suppression of irrelevant information and distracting information, like the ICIM and HSCT tasks, 98,99 a Directed Forgetting (DF) task, 100 and the Dichotic Listening task, 101 all pointing to deficits in intentional inhibition.”

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Authors
Soriano, M. F., Jiménez, J. F., Román, P., & Bajo, M. T.
Affiliations
  • Hospital San Agustín (ES)
  • Universidad de Granada (ES)
Venue
Neuropsychology
Published
2009
Volume
23
Issue
1
Pages
61-70
ISSN
  • 0894-4105 (ISSN-L)
  • 1931-1559
OpenAlex
W1982412068
Cited by
47
References
36
Citations by year
2026: 1 · 2025: 3 · 2024: 4 · 2023: 2 · 2022: 2 · 2021: 1 · 2020: 5 · 2019: 5 · 2018: 2 · 2017: 3 · 2016: 1 · 2015: 5 · 2014: 3 · 2013: 4 · 2012: 1
FWCI
1.23
Type
journal article
Language
en
Open access
closed
Locations
  • Neuropsychology (publishedVersion)
  • PubMed (publishedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Funders
Ministerio de Educación y Ciencia (SEJ2005-00842/psi)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Hallucinations in medical conditions
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
Keywords
hallucinations, schizophrenia, directed forgetting, intentional inhibition, episodic memory, working memory, memory updating, inhibitory deficits, memory intrusion, negative symptoms
MeSH terms
Adult, Analysis of Variance, Female, Hallucinations, Humans, Inhibition, Psychological, Male, Memory Disorders, Memory, Short-Term, Neuropsychological Tests, Outpatients, Schizophrenia, Intention, Young Adult

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