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The Pareidolia Test: A Simple Neuropsychological Test Measuring Visual Hallucination-Like Illusions.
Mamiya Y, Nishio Y, Watanabe H, Yokoi K, Uchiyama M, Baba T, Iizuka O, Kanno S, Kamimura N, Kazui H, Hashimoto M, Ikeda M, Takeshita C, Shimomura T, Mori E. Mamiya Y, et al. PLoS One. 2016 May 12;11(5):e0154713. doi: 10.1371/journal.pone.0154713. eCollection 2016. PLoS One. 2016. PMID: 27171377 Free PMC article.
BACKGROUND: Visual hallucinations are a core clinical feature of dementia with Lewy bodies (DLB), and this symptom is important in the differential diagnosis and prediction of treatment response. The pareidolia test is a tool that evokes visual hallucination-like illusions …
BACKGROUND: Visual hallucinations are a core clinical feature of dementia with Lewy bodies (DLB), and this symptom is important in the diffe …
Pareidolia-proneness, reality discrimination errors, and visual hallucination-like experiences in a non-clinical sample.
Smailes D, Burdis E, Gregoriou C, Fenton B, Dudley R. Smailes D, et al. Cogn Neuropsychiatry. 2020 Mar;25(2):113-125. doi: 10.1080/13546805.2019.1700789. Epub 2019 Dec 6. Cogn Neuropsychiatry. 2020. PMID: 31810425
In this study, we examined whether visual reality discrimination abilities and elevated top-down processing (assessed via face pareidolia-proneness) were associated with how often non-clinical participants report visual hallucination-like experiences.Methods: Participants (N = 82 …
In this study, we examined whether visual reality discrimination abilities and elevated top-down processing (assessed via face pareidolia-pr …
Prestimulus Low-Alpha Frontal Networks Are Associated with Pareidolias in Parkinson's Disease.
Revankar GS, Kajiyama Y, Hattori N, Shimokawa T, Nakano T, Mihara M, Mori E, Mochizuki H. Revankar GS, et al. Brain Connect. 2021 Nov;11(9):772-782. doi: 10.1089/brain.2020.0992. Epub 2021 Aug 23. Brain Connect. 2021. PMID: 33858200
Impact statement Pareidolias in Parkinson's disease (PD) are considered to be promising early markers of visual hallucinations and an indicator of PD prognosis. In certain susceptible PD patients, pareidolias can be evoked and studied. ...
Impact statement Pareidolias in Parkinson's disease (PD) are considered to be promising early markers of visual hallucinations and an indica …
Pareidolias are a function of visuoperceptual impairment.
McCann E, Lee S, Coleman F, O'Sullivan JD, Nestor PJ. McCann E, et al. PLoS One. 2023 Nov 6;18(11):e0293942. doi: 10.1371/journal.pone.0293942. eCollection 2023. PLoS One. 2023. PMID: 37930972 Free PMC article.
Pareidolias, or the misperception of ambiguous stimuli as meaningful objects, are complex visual illusions thought to be phenomenologically similar to Visual Hallucination (VH). VH are a major predictor of dementia in Parkinson's Disease (PD) and are included as a core cli …
Pareidolias, or the misperception of ambiguous stimuli as meaningful objects, are complex visual illusions thought to be phenomenologically …
Noise pareidolia test for predicting delirium in hospitalized older patients with cognitive decline.
Hashimoto Y, Kano O, Ebihara S. Hashimoto Y, et al. Geriatr Gerontol Int. 2022 Oct;22(10):883-888. doi: 10.1111/ggi.14477. Epub 2022 Sep 7. Geriatr Gerontol Int. 2022. PMID: 36071029
AIM: Although older people are at an increased risk of developing delirium during hospitalization, no definitive screening tools exist to predict the condition. This study aimed to examine the effectiveness of the noise pareidolia test (NPT) as a tool for predicting …
AIM: Although older people are at an increased risk of developing delirium during hospitalization, no definitive screening tools exist to …
Rapid neural categorization of facelike objects predicts the perceptual awareness of a face (face pareidolia).
Rekow D, Baudouin JY, Brochard R, Rossion B, Leleu A. Rekow D, et al. Cognition. 2022 May;222:105016. doi: 10.1016/j.cognition.2022.105016. Epub 2022 Jan 11. Cognition. 2022. PMID: 35030358
The human brain rapidly and automatically categorizes faces vs. other visual objects. However, whether face-selective neural activity predicts the subjective experience of a face - perceptual awareness - is debated. ...The facelike categorization response already emerges a …
The human brain rapidly and automatically categorizes faces vs. other visual objects. However, whether face-selective neural activity pre …
Negative mood invites psychotic false perception in dementia.
Watanabe H, Nishio Y, Mamiya Y, Narita W, Iizuka O, Baba T, Takeda A, Shimomura T, Mori E. Watanabe H, et al. PLoS One. 2018 Jun 1;13(6):e0197968. doi: 10.1371/journal.pone.0197968. eCollection 2018. PLoS One. 2018. PMID: 29856844 Free PMC article.
BACKGROUND: There is increasing evidence for predictive coding theories of psychosis, which state that hallucinations arise from abnormal perceptual priors or biases. ...
BACKGROUND: There is increasing evidence for predictive coding theories of psychosis, which state that hallucinations arise from abno …
Clinical correlates of pareidolias and color discrimination deficits in idiopathic REM sleep behavior disorder and Parkinson's disease.
Kim S, Choi JH, Woo KA, Joo JY, Jeon B, Lee JY. Kim S, et al. J Neural Transm (Vienna). 2024 Feb;131(2):141-148. doi: 10.1007/s00702-023-02724-4. Epub 2023 Dec 18. J Neural Transm (Vienna). 2024. PMID: 38110521
The different pattern of clinical associates with the two visual symptoms suggests that evaluation of both color and pareidolias may aid in revealing the course of neurodegeneration in iRBD and PD patients....
The different pattern of clinical associates with the two visual symptoms suggests that evaluation of both color and pareidolias may aid in …
Pareidolias in REM Sleep Behavior Disorder: A Possible Predictive Marker of Lewy Body Diseases?
Sasai-Sakuma T, Nishio Y, Yokoi K, Mori E, Inoue Y. Sasai-Sakuma T, et al. Sleep. 2017 Feb 1;40(2). doi: 10.1093/sleep/zsw045. Sleep. 2017. PMID: 28364496
Results of multivariate analyses show the number of pareidolic responses as a factor associated with decreased cognitive function in iRBD patients with better predictive accuracy. Morbidity length and severity of iRBD, olfactory function, and the amount of RWA were not fac …
Results of multivariate analyses show the number of pareidolic responses as a factor associated with decreased cognitive function in iRBD pa …