... (Liechti, Gamma & Wolenweider, 2001). Where there are few positive psychological effects, there are also negative symptoms of MDMA use. Baylen & Rosenberg (2006) reviewed the prevalence, intensity and duration of acute subjective experience (ASE) collected from twenty-four studies that provided frequency data on the prevalence of self-reported ecstasy effects. Further, their research provided data on the intensity of ecstasy effects. Although hundreds of ASE's have been reported following MDMA consumption, the review identified a subset of effects reported repeatedly by meaningful proportions and large numbers of participants across multiple investigations, most of which were either emotional (e.g. anxiety, depression, closeness, fear, euphoria, calmness) or somatic (e.g. nausea/vomiting, bruxism, muscle aches/headache, sweating, numbness, body temperature changes, fatigue, dizziness, dry mouth, increased energy). Only one sexual ASE (sexual arousal/increased sensual awareness), one cognitive ASE (confused thought), one sensory-perceptual ASE (visual effects/changes in visual perception), one sleep-related ASE (sleeplessness) and one appetite-related ...

See this essay or coursework document in full right now