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Index Type: Journal article

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.

The neural correlates of visual imagery vividness

Researchers used fMRI to examine brain activation while participants looked at, or later imagined, famous faces and famous buildings. Group comparison revealed low-vividness group activated a more widespread set of brain regions while visualizing than the high-vividness group.

The blind mind: No sensory visual imagery in aphantasia

Study using binocular rivalry and self-rated object and spatial imagery (VVIQ, SUIS and OSIQ) finds people with aphantasia show almost no imagery-based rivalry priming. Findings suggest aphantasia is a condition involving a lack of sensory and phenomenal imagery and not a lack of metacognition.

The perceptual and phenomenal capacity of mental imagery

Mental imagery is a fundamental part of human cognition that bridges cognition with sensory representations. This paper introduces a novel technique to measure the sensory capacity of mental imagery while removing the need for memory and any direct subjective reports.

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