External misattribution of internal thoughts and proneness to auditory hallucinations: The effect of emotional valence in the Deese-Roediger-McDermott paradigm

Mari Kanemoto, Tomohisa Asai, Eriko Sugimori, Yoshihiko Tanno

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Previous studies have suggested that a tendency to externalize internal thought is related to auditory hallucinations or even proneness to auditory hallucinations (AHp) in the general population. However, although auditory hallucinations are related to emotional phenomena, few studies have investigated the effect of emotional valence on the aforementioned relationship. In addition, we do not know what component of psychotic phenomena relate to externalizing bias. The current study replicated our previous research, which suggested that individual differences in auditory hallucination-like experiences are strongly correlated with the external misattribution of internal thoughts, conceptualized in terms of false memory, using the Deese-Roediger-McDermott (DRM) paradigm. We found a significant relationship between experimental performance and total scores on the Launay-Slade Hallucination Scale (LSHS). Among the LSHS factors, only vivid mental image, which is said to be a predictor of auditory hallucinations, was significantly related to experimental performance.We then investigated the potential effect of emotional valence using the DRM paradigm. The results indicate that participants with low scores on the LSHS (the low-AHp group in the current study) showed an increased discriminability index (d') for positive words and a decreased d ' for negative words. However, no effects of emotional valence were found for participants with high LSHS scores (high-AHp group). This study indicated that external misattribution of internal thoughts predicts AHp, and that the high-AHp group showed a smaller emotional valence effect in the DRM paradigm compared with the low-AHp group. We discuss this outcome from the perspective of the dual-process activation-monitoring framework in the DRM paradigm in regard to emotion-driven automatic thought in false memory.

Original languageEnglish
Article number351
JournalFrontiers in Human Neuroscience
Issue numberJUL
DOIs
Publication statusPublished - 2013 Jul 9
Externally publishedYes

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Hallucinations
Individuality
Emotions

Keywords

  • Auditory hallucination-like experience
  • DRM paradigm
  • Emotional valence
  • Schizophrenia
  • Source monitoring
  • Thought insertion

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Neurology
  • Biological Psychiatry
  • Behavioral Neuroscience
  • Neuropsychology and Physiological Psychology

Cite this

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title = "External misattribution of internal thoughts and proneness to auditory hallucinations: The effect of emotional valence in the Deese-Roediger-McDermott paradigm",
abstract = "Previous studies have suggested that a tendency to externalize internal thought is related to auditory hallucinations or even proneness to auditory hallucinations (AHp) in the general population. However, although auditory hallucinations are related to emotional phenomena, few studies have investigated the effect of emotional valence on the aforementioned relationship. In addition, we do not know what component of psychotic phenomena relate to externalizing bias. The current study replicated our previous research, which suggested that individual differences in auditory hallucination-like experiences are strongly correlated with the external misattribution of internal thoughts, conceptualized in terms of false memory, using the Deese-Roediger-McDermott (DRM) paradigm. We found a significant relationship between experimental performance and total scores on the Launay-Slade Hallucination Scale (LSHS). Among the LSHS factors, only vivid mental image, which is said to be a predictor of auditory hallucinations, was significantly related to experimental performance.We then investigated the potential effect of emotional valence using the DRM paradigm. The results indicate that participants with low scores on the LSHS (the low-AHp group in the current study) showed an increased discriminability index (d') for positive words and a decreased d ' for negative words. However, no effects of emotional valence were found for participants with high LSHS scores (high-AHp group). This study indicated that external misattribution of internal thoughts predicts AHp, and that the high-AHp group showed a smaller emotional valence effect in the DRM paradigm compared with the low-AHp group. We discuss this outcome from the perspective of the dual-process activation-monitoring framework in the DRM paradigm in regard to emotion-driven automatic thought in false memory.",
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author = "Mari Kanemoto and Tomohisa Asai and Eriko Sugimori and Yoshihiko Tanno",
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