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Psychedelic agents: Changes induced in subjective experience and brain activity
Högskolan i Skövde, Institutionen för biovetenskap.
2019 (engelsk)Independent thesis Basic level (degree of Bachelor), 15 poäng / 22,5 hpOppgave
Abstract [en]

This thesis combines phenomenological and neuroscientific research to elucidate the effects of psychedelic agents on the human brain, mind and psychological well-being. Psychoactive plants have been used for thousands of years for ceremonial and ritual purposes. Psychedelics are psychoactive substances that affect cognitive processes and alter perception, thoughts, and mood. Illegalization of psychedelics in the 1960s rendered them impossible to study empirically but in the last couple of decades, relaxed legal restrictions regarding research purposes, renewed interest in the effects of psychedelic drugs and new brain imaging techniques have started to reveal the possibilities of these mind-altering substances. Psychedelics mainly affect the serotonin receptor 5-HT2A which in turn affect the functioning of largescale cortical areas by changing cerebral blood flow, alpha oscillations, and functional connectivity. These cortical changes not only induce immediate alterations in perception and cognition but have been shown to have positive effects in therapeutic interventions for depression, anxiety, and addiction, and also positively affect well-being in general. Although the pharmacology and neurobiology of psychedelics are still poorly understood, the potential benefits justify empirical research on psychedelics in humans.

sted, utgiver, år, opplag, sider
2019. , s. 48
Emneord [en]
psychedelic, hallucinogen, subjective experience, phenomenology, brain imaging, electroencephalogram, magnetic resonance imaging, positron emission tomography
HSV kategori
Identifikatorer
URN: urn:nbn:se:his:diva-17308OAI: oai:DiVA.org:his-17308DiVA, id: diva2:1331445
Fag / kurs
Cognitive Neuroscience
Utdanningsprogram
Psychological Coach
Veileder
Examiner
Tilgjengelig fra: 2019-07-14 Laget: 2019-06-26 Sist oppdatert: 2019-07-14bibliografisk kontrollert

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Psychedelic agents(1119 kB)180 nedlastinger
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