Larner, AJ; Leff, AP; Nachev, PC; (2024) Phantasia, aphantasia, and hyperphantasia: Empirical data and conceptual considerations. Neuroscience & Biobehavioral Reviews , 164 , Article 105819. 10.1016/j.neubiorev.2024.105819.

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Abstract

Within the past decade, the term “phantasia” has been increasingly used to describe the human capacity, faculty, or power of visual mental imagery, with extremes of imagery vividness characterised as “aphantasia” and “hyperphantasia”. A substantial volume of empirical research addressing these constructs has now been published, including attempts to find inductive correlates of behaviourally defined aphantasia, for example using research questionnaires and functional magnetic resonance imaging. Mental imagery has long been noted as a source of conceptual confusions but no specific conceptual analysis of the new formulation of phantasia, aphantasia, and hyperphantasia has been undertaken hitherto. We offer some conceptual considerations on phantasia, noting the ongoing confusion of perceptual with mental images, and the ubiquitous use of unvalidated subjective assessment instruments such as the Vividness of Visual Imagery Questionnaire (VVIQ) in diagnosis and assessment, development of which was predicated on these conceptual confusions. We offer some suggestions for a conceptual framework for future empirical studies in this field, circumventing these conceptual confusions.

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