?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PHYSICAL%2C+PSYCHOLOGICAL+AND+VIRTUAL+REALITIES&rft.creator=Velmans%2C+Prof+Max&rft.subject=Philosophy+of+Mind&rft.subject=Perceptual+Cognitive+Psychology&rft.subject=Human+Computer+Interaction&rft.description=This+chapter+examines+the+similarities+and+differences+between+physical%2C+psychological+and+virtual+realities%2C+and+challenges+some+conventional%2C+implicitly+dualist+assumptions+about+how+these+relate+to+each+other.+Virtual+realities+are+not+easily+understood+in+either+dualist+or+materialist+reductive+terms%2C+as+they+exemplify+the+reflexive+nature+of+perception.+The+chapter+summarises+some+of+the+evidence+for+this+%E2%80%9Creflexive+model%E2%80%9D%E2%80%94and+examines+some+of+its+consequences+for+the+%E2%80%9Chard%E2%80%9D+problem+of+consciousness.++The+chapter+then+goes+on+to+consider+how+these+realities+might+relate+to+some+grounding+reality+or+thing-itself%2C+and+considers+some+of+the+personal+and+social+consequences+of+becoming+increasingly+immersed+in+virtual+realities.+Although+this+chapter+was+published+in+1998+and+develops+work+published+in+1990%2C+it+presents+a+form+of+%E2%80%9Cradical+externalism%E2%80%9D+that+anticipates+many+themes+in+current+(2006)+internalism+versus+externalism+debates+about+the+nature+of+mind.+It+is+also+relevant+to+an+understanding+of+virtual+reality+%E2%80%9Cpresence.%E2%80%9D&rft.publisher=London%3A+Routledge&rft.contributor=Wood%2C+J.&rft.date=1998&rft.type=Book+Chapter&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F4761%2F1%2FPhysical%252C_psychological_and_virtual_realities.pdf&rft.identifier=++Velmans%2C+Prof+Max++(1998)+PHYSICAL%2C+PSYCHOLOGICAL+AND+VIRTUAL+REALITIES.++%5BBook+Chapter%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F4761%2F