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Internal hallucination: Difference between revisions
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[[File:Tumblr_lticehT56V1qhd9lu.jpg|250px|thumb|right|''Parabolic Vehicle of Conception'' by [http://www.corpuscallosum.cc/parabolic.html Adam Scott Miller] - This serves as an example of visionary art which attempts to accurately portray and replicate the experience of [[Psychedelics|psychedelic]] level 5 [[Visual_effects:_Geometry|geometry]] combined with level 3 [[Visual effects: Internal hallucinations|internal hallucinations]].]] | [[File:Tumblr_lticehT56V1qhd9lu.jpg|250px|thumb|right|''Parabolic Vehicle of Conception'' by [http://www.corpuscallosum.cc/parabolic.html Adam Scott Miller] - This serves as an example of visionary art which attempts to accurately portray and replicate the experience of [[Psychedelics|psychedelic]] level 5 [[Visual_effects:_Geometry|geometry]] combined with level 3 [[Visual effects: Internal hallucinations|internal hallucinations]].]] | ||
An '''internal hallucination''' | An '''internal hallucination''' is defined as the perception of a visual hallucination that exclusively occurs within an imagined environment which can typically only be viewed with closed eyes,<ref name="Siegel1985">{{cite journal|last1=Siegel|first1=Ronald K.|title=LSD Hallucinations: From Ergot to Electric Kool-Aid|journal=Journal of Psychoactive Drugs|volume=17|issue=4|year=1985|pages=247–256|issn=0279-1072|doi=10.1080/02791072.1985.10524329}}</ref><ref name="KometerSchmidt2013">{{cite journal|last1=Kometer|first1=M.|last2=Schmidt|first2=A.|last3=Jancke|first3=L.|last4=Vollenweider|first4=F. X.|title=Activation of Serotonin 2A Receptors Underlies the Psilocybin-Induced Effects on Oscillations, N170 Visual-Evoked Potentials, and Visual Hallucinations|journal=Journal of Neuroscience|volume=33|issue=25|year=2013|pages=10544–10551|issn=0270-6474|doi=10.1523/JNEUROSCI.3007-12.2013}}</ref> similar to those found within [[dreams]].<ref>Pekar, S. The connection between psilocybin and dreaming. https://www.lakeforest.edu/live/news/6657-the-connection-between-psilocybin-and-dreaming</ref><ref name="Kraehenmann2017">{{cite journal|last1=Kraehenmann|first1=Rainer|title=Dreams and Psychedelics: Neurophenomenological Comparison and Therapeutic Implications|journal=Current Neuropharmacology|volume=15|issue=7|year=2017|issn=1570159X|doi=10.2174/1573413713666170619092629}}</ref><ref name="de AraujoRibeiro2012">{{cite journal|last1=de Araujo|first1=Draulio B.|last2=Ribeiro|first2=Sidarta|last3=Cecchi|first3=Guillermo A.|last4=Carvalho|first4=Fabiana M.|last5=Sanchez|first5=Tiago A.|last6=Pinto|first6=Joel P.|last7=de Martinis|first7=Bruno S.|last8=Crippa|first8=Jose A.|last9=Hallak|first9=Jaime E.C.|last10=Santos|first10=Antonio C.|title=Seeing with the eyes shut: Neural basis of enhanced imagery following ayahuasca ingestion|journal=Human Brain Mapping|volume=33|issue=11|year=2012|pages=2550–2560|issn=10659471|doi=10.1002/hbm.21381}}</ref> This is in stark contrast to [[external hallucinations]], which display themselves seamlessly into the external environment as if they were actually happening. | ||
At lower levels, internal hallucinations begin with imagery on the back of a person's eyelids which do not take up the entirety of one's visual field and are distinct from their background. These can be described as spontaneous moving or still images of scenes, concepts, places, and anything one could imagine. The imagery is manifested in varying levels of realism, ranging from ill-defined and cartoon-like in nature to wholly realistic. They rarely hold their form for more than a few seconds before fading or shifting into another image. It is worth noting that this level of intensity occurs in a highly similar manner to that of [[hypnagogia]], the state between sleep and wakefulness. | At lower levels, internal hallucinations begin with imagery on the back of a person's eyelids which do not take up the entirety of one's visual field and are distinct from their background. These can be described as spontaneous moving or still images of scenes, concepts, places, and anything one could imagine. The imagery is manifested in varying levels of realism, ranging from ill-defined and cartoon-like in nature to wholly realistic. They rarely hold their form for more than a few seconds before fading or shifting into another image. It is worth noting that this level of intensity occurs in a highly similar manner to that of [[hypnagogia]], the state between sleep and wakefulness. | ||
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* [https://en.wikipedia.org/wiki/Hallucination Hallucination (Wikipedia)] | * [https://en.wikipedia.org/wiki/Hallucination Hallucination (Wikipedia)] | ||
===References=== | ===References=== | ||
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[[Category:Sensory]] [[Category:Visual]] [[Category:Hallucinatory]] [[Category:Effect]] | [[Category:Sensory]] | ||
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