Mental Imagery

actual experience Rating after-image after-imagery alpha rhythm appear arousal associated auditory imagery aware centimetres clear and vivid cognitive colour concrete imagery controlled imagery correlation discussed eidetic ability eidetic image eidetic imagery eidetic memories eidetic subjects eidetic-image Emmert's Law encoded evidence example experimental eyes factor form constants frequency groups Haber habitual verbalizers habitual visualizers hallucinations hallucinogenic drugs Hering illusion hypnagogic imagery hypothesis imagery control imagery vividness imagination imagery imagination images investigations kinaesthetic Klüver McKellar measure memory image memory imagery mental imagery mental practice mescalin modality normal object obtained occur percept person phenomena phenomenon phosphene picture present procedure processes produced Psychol psychology Rating Scale recall relation response scores seconds sensations sensory significantly spatial spontaneous stereognosis stimulus suggested task test of imagery thinking vague and dim visual image visual imagery vividness and controllability vividness of imagery words Yes No Unsure