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At the time the article was created Jeremy Jones had no recorded disclosures.View Jeremy Jones's current disclosures
At the time the article was last revised Daniel J Bell had no recorded disclosures.View Daniel J Bell's current disclosures
The claustrum (plural: claustra) is a vertical curved sheet of subcortical grey matter oriented sagittally between the white matter tracts of the external capsule and extreme capsule. It is lateral to the putamen and medial to the insular cortex. It is not part of the basal ganglia.
The claustrum has been hypothesized to play a central role in the generation of consciousness 3, which would explain why it has white matter projections from all areas of the cortex. Due to its diminutive size there has been a paucity of experimental evidence. However a case report utilizing electrode stimulation 4 and a pharmaceutical study 5 both support this hypothesis.