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Jamie Ward

8 papers in the library · 252 citations · publishing 2009-2024

Papers

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Sensory representations in primary visual cortex are not sufficient for subjective imagery.

Current Biology November 4, 2024 Giulia Cabbai, Chris Racey, Julia Simner et al.

The contemporary definition of mental imagery is characterized by two aspects: a sensory representation that resembles, but does not result from, perception, and an associated subjective experience. Neuroimaging demonstrated imagery-related sensory representations in primary visual cortex (V1) that show striking parallels to perception. However, it remains unclear whether these representations...

Vicarious experiences of touch (mirror touch) in a Chinese sample: Cross-cultural and individual differences.

PLoS One 2022 Mengze Li, Lei Hao, Zhiting Ren et al.

Mirror-touch synaesthesia (MTS) refers to tactile sensations people have on their own body when they see another person being touched. This trait has been linked to individual differences in computing body awareness and ownership (e.g., on questionnaires, cognitive tests) as well as differences in the brain. Here it is assessed for the first time in a non-Western (Chinese) population. Study 1...

Trait phenomenological control predicts experience of mirror synaesthesia and the rubber hand illusion

Nature Communications September 25, 2020 Peter Lush, Vanessa Botan, R. B. Y. Scott et al. 136 citations

In hypnotic responding, expectancies arising from imaginative suggestion drive striking experiential changes (e.g., hallucinations) - which are experienced as involuntary - according to a normally distributed and stable trait ability (hypnotisability). Such experiences can be triggered by implicit suggestion and occur outside the hypnotic context. In large sample studies (of 156, 404 and 353...

DOI: 10.1038/s41467-020-18591-6 (opens in new tab) Full text (opens in new tab) Experiential learning Hypnotic susceptibility Hypnosis Trait +5

A placebo-controlled investigation of synaesthesia-like experiences under LSD.

Neuropsychologia April 5, 2016 Devin B. Terhune, David Luke, Mendel Kaelen et al. 45 citations

The induction of synaesthesia in non-synaesthetes has the potential to illuminate the mechanisms that contribute to the development of this condition and the shaping of its phenomenology. Previous research suggests that lysergic acid diethylamide (LSD) reliably induces synaesthesia-like experiences in non-synaesthetes. However, these studies suffer from a number of methodological limitations...

An extended case study on the phenomenology of sequence-space synesthesia

Frontiers in Human Neuroscience July 3, 2014 Cassandra D. Gould van Praag, Tom Froese, Adam B. Barrett et al. 29 citations

Investigation of synesthesia phenomenology in adults is needed to constrain accounts of developmental trajectories of this trait. We report an extended phenomenological investigation of sequence-space synesthesia in a single case (AB). We used the Elicitation Interview (EI) method to facilitate repeated exploration of AB's synesthetic experience. During an EI the subject's attention is...

DOI: 10.3389/fnhum.2014.00433 (opens in new tab) Full text (opens in new tab) Synesthesia Phenomenology philosophy Perception Cognitive psychology +4

Increased positive and disorganised schizotypy in synaesthetes who experience colour from letters and tones

Cortex June 26, 2011 Michael J. Banissy, Josephine Cassell, Sian Fitzpatrick et al. 42 citations

Synaesthesia is a condition in which one property of a stimulus induces a conscious experience of an additional attribute. For example, in grapheme-colour synaesthesia, a visually presented grapheme results in synaesthetic experiences of colour. These experiences occur in approximately 4% of the population (Simner et al., 2006) and the authenticity of the condition is well established (Cohen...

Proprioceptive drift without illusions of ownership for rotated hands in the "rubber hand illusion" paradigm.

Cognitive Neuroscience 2011 Henning Holle, Neil McLatchie, Stefanie Maurer et al.

The rubber hand illusion is one reliable way to experimentally manipulate the experience of body ownership. However, debate continues about the necessary and sufficient conditions eliciting the illusion. We measured proprioceptive drift and the subjective experience (via questionnaire) while manipulating two variables that have been suggested to affect the intensity of the illusion. First, the...

Visual experiences in the blind induced by an auditory sensory substitution device.

Consciousness and Cognition December 1, 2009 Jamie Ward, Peter Meijer

In this report, the phenomenology of two blind users of a sensory substitution device - "The vOICe" - that converts visual images to auditory signals is described. The users both report detailed visual phenomenology that developed within months of immersive use and has continued to evolve over a period of years. This visual phenomenology, although triggered through use of The vOICe, is likely...