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Henrik Walter

4 papers in the library · 103 citations · publishing 2014-2026

Papers

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Predictors of therapeutic response to psychedelic-assisted therapy: A systematic review.

Journal of Psychopharmacology May 1, 2026 Grace Viljoen, Henrik Walter, Antonia Bendau et al. 3 citations

Psychedelic-assisted therapy (PAT) has demonstrated substantial efficacy across a range of mental disorders. However, heterogeneity between patients confers differential responsiveness. This systematic review aims to explore factors which may predict therapeutic responses to PAT. A systematic search was performed from inception through to March 2024 and studies that assessed predictors of...

Independent contribution of polygenic risk for schizophrenia and cannabis use in predicting psychotic-like experiences in young adulthood: testing gene × environment moderation and mediation.

Psychological Medicine April 1, 2023 Laurent Elkrief, Bochao Lin, Mattia Marchi et al.

It has not yet been determined if the commonly reported cannabis-psychosis association is limited to individuals with pre-existing genetic risk for psychotic disorders. We examined whether the relationship between polygenic risk score for schizophrenia (PRS-Sz) and psychotic-like experiences (PLEs), as measured by the Community Assessment of Psychic Experiences-42 (CAPE-42) questionnaire, is...

DOI: 10.1017/s0033291721003378 (opens in new tab) Full text (opens in new tab) Cannabis Polygenic risk score Psychosis risk Psychotic-like experience

Grey Matter Volume Differences Associated with Extremely Low Levels of Cannabis Use in Adolescence

Journal of Neuroscience January 14, 2019 Catherine Orr, Philip A. Spechler, Zhipeng Cao et al. 100 citations

Rates of cannabis use among adolescents are high, and are increasing concurrent with changes in the legal status of marijuana and societal attitudes regarding its use. Recreational cannabis use is understudied, especially in the adolescent period when neural maturation may make users particularly vulnerable to the effects of Δ-9-tetrahydrocannabinol (THC) on brain structure. In the current...

Intentional minds: A philosophical analysis of intention tested through fMRI experiments involving people with schizophrenia, people with autism, and healthy individuals.

Frontiers in Human Neuroscience May 22, 2014 Bruno G Bara, Angela Ciaramidaro, Henrik Walter et al.

In this paper we show how we empirically tested one of the most relevant topics in philosophy of mind through a series of fMRI experiments: the classification of different types of intention. To this aim, firstly we trace a theoretical distinction among private, prospective and communicative intentions. Second, we propose a set of predictions concerning the recognition of these three types of...