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. 2021 Dec 13;145(2):441–456. doi: 10.1093/brain/awab406

Figure 1.

Figure 1

Summary of the cortico-thalamo-cortical and CSTC loops. Disruption of this circuit by 5-HT2A activation is hypothesized to inundate the cortex with sensory information, contributing to the alterations of cognition and perception during psychedelic experiences.39–41 Glu = glutamate; TRN = thalamic reticular nucleus.