Multisensory subtypes of aphantasia: Mental imagery as supramodal perception in reverse
Neuroscience Research, ISSN: 0168-0102, Vol: 201, Page: 50-59
2024
- 8Citations
- 28Captures
- 2Mentions
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Metrics Details
- Citations8
- Citation Indexes8
- CrossRef5
- Captures28
- Readers28
- 28
- Mentions2
- News Mentions2
- 2
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Article Description
Cognitive neuroscience research on mental imagery has largely focused on the visual imagery modality in unimodal task contexts. Recent studies have uncovered striking individual differences in visual imagery capacity, with some individuals reporting a subjective absence of conscious visual imagery ability altogether (“aphantasia”). However, naturalistic mental imagery is often multi-sensory, and preliminary findings suggest that many individuals with aphantasia also report a subjective lack of mental imagery in other sensory domains (such as auditory or olfactory imagery). In this paper, we perform a series of cluster analyses on the multi-sensory imagery questionnaire scores of two large groups of aphantasic subjects, defining latent sub-groups in this sample population. We demonstrate that aphantasia is a heterogenous phenomenon characterised by dominant sub-groups of individuals with visual aphantasia (those who report selective visual imagery absence) and multi-sensory aphantasia (those who report an inability to generate conscious mental imagery in any sensory modality). We replicate our findings in a second large sample and show that more unique aphantasia sub-types also exist, such as individuals with selectively preserved mental imagery in only one sensory modality (e.g. intact auditory imagery). We outline the implications of our findings for network theories of mental imagery, discussing how unique aphantasia aetiologies with distinct self-report patterns might reveal alterations to various levels of the sensory processing hierarchy implicated in mental imagery.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0168010223002043; http://dx.doi.org/10.1016/j.neures.2023.11.009; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85178613646&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/38029861; https://linkinghub.elsevier.com/retrieve/pii/S0168010223002043; https://dx.doi.org/10.1016/j.neures.2023.11.009
Elsevier BV
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