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Index Type: Journal article

Aphantasia, imagination and dreaming

The majority of aphantasics retain the capacity to experience rich visual dreams, despite being unable to produce visual imagery while awake. Aphantasia raises important theoretical concerns for the ongoing debate in the philosophy and science of consciousness over the nature of dreams.

Quantifying aphantasia through drawing

Online study of aphantasics (n=63) and controls required participants to draw real-world scenes from memory. Study found those without visual imagery show deficits in object but not spatial memory.

Aphantasia, SDAM, and Episodic Memory

Episodic memory (EM) involves re-experiencing past experiences by means of mental imagery. Aphantasics (who lack mental imagery) and people with severely deficient autobiographical memory (SDAM) lack the ability to re-experience, which would imply that they don’t have EM. However, aphantasics and people with SDAM have personal and affective memories, which are other defining aspects of EM (in addition to re-experiencing).

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