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Psychedelic agents: Changes induced in subjective experience and brain activity
Högskolan i Skövde, Institutionen för biovetenskap.
2019 (Engelska)Självständigt arbete på grundnivå (kandidatexamen), 15 poäng / 22,5 hpStudentuppsats (Examensarbete)
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.

Ort, förlag, år, upplaga, sidor
2019. , s. 48
Nyckelord [en]
psychedelic, hallucinogen, subjective experience, phenomenology, brain imaging, electroencephalogram, magnetic resonance imaging, positron emission tomography
Nationell ämneskategori
Neurovetenskaper
Identifikatorer
URN: urn:nbn:se:his:diva-17308OAI: oai:DiVA.org:his-17308DiVA, id: diva2:1331445
Ämne / kurs
Kognitiv neurovetenskap
Utbildningsprogram
Psykologisk coach
Handledare
Examinatorer
Tillgänglig från: 2019-07-14 Skapad: 2019-06-26 Senast uppdaterad: 2019-07-14Bibliografiskt granskad

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Psychedelic agents(1119 kB)119 nedladdningar
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