Psychedelic: Definition, Scientific Meaning, and Research Context
The term psychedelic refers to a class of psychoactive substances that produce profound changes in perception, mood, and cognitive processes. While widely associated with 1960s counterculture, its scientific meaning is rooted in neuroscience and pharmacology. Specifically, the word itself was coined in the 1950s from the Greek words psyche (ψυχή), meaning “mind” or “soul,” and […]
Default Mode Network (DMN): Definition, Brain Regions, and What Neuroscience Research Shows
Table of Contents Introduction In the quest to understand the human brain, neuroscience has increasingly shifted its focus from studying isolated brain regions to examining large-scale, interconnected brain networks. This network-based approach recognizes that complex cognitive functions emerge from the coordinated activity of multiple, spatially distributed brain areas working in concert. A foundational concept in this […]