LSD-induced states

Two recent articles:

Results demonstrate first, that LSD reduced activity in brain areas important for self-processing, but also social cognition, second that change in brain activity was linked to subjective experience, and third that LSD decreased the efficiency of establishing joint attention.

We have applied techniques from natural language processing to a large corpus of subjective reports to investigate the hypothesis that, among a wide range of psychoactive substances, hallucinogens lead to experiences that are most similar to those reported during dreaming.