Zobrazeno 1 - 10 of 33 pro vyhledávání: '"Alan P. Rudell"'
1
The Role of Visual Perception in Spoken Responses
Autor: Joan B. Cracco, Paul J. Maccabee, L Eberle, Ivan Bodis-Wollner, Roger Q. Cracco, Vahe E. Amassian, Alan P. Rudell
Publikováno v: Biocybernetics and Biomedical Engineering. 31:65-80
How subjects voice responses to flashed visual symbols was investigated at successive stages of the information processing. The representation exits from V1 mainly by 120–140, mean 130ms; cortical motor output to voice onset has a mean delay of 85m
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e90c5301a759a6f73de2a6330c3b21bb
https://doi.org/10.1016/s0208-5216(11)70020-1
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2
Does a warning signal accelerate the processing of sensory information? Evidence from recognition potential responses to high and low frequency words
Autor: Alan P. Rudell, Bin Hu
Publikováno v: International Journal of Psychophysiology. 41:31-42
Electrophysiological and behavioral data were obtained in 12 subjects who detected valid words in a background stream of random letter strings. Behavioral reaction time (RT) showed significant effects of warning signal presentation and the frequency
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ffba1aca3c25698baa168b1ec8ba53d9
https://doi.org/10.1016/s0167-8760(00)00174-4
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3
Behavioral and Brain Wave Evidence for Automatic Processing of Orthographically Regular Letter Strings
Autor: Bin Hu, Alan P. Rudell
Publikováno v: Brain and Language. 75:137-152
Evidence for the automatic processing of nonword letter strings was sought in subjects who performed two different perceptual tasks. Twelve subjects detected valid words. Twelve other subjects detected Gestalt patterns that contained no letters. The
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::154e34abb07a5e811afa2ad91cf63d2d
https://doi.org/10.1006/brln.2000.2349
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4
Effects of Target Area and Letter Complexity on Event-Related Potentials and Reaction Time
Autor: Alan P. Rudell, Bin Hu, Recognition Potential
Publikováno v: International Journal of Neuroscience. 99:159-180
The idea that an area of the visual field stimulated by a recognizable image activates a corresponding area of neural tissue that generates the recognition potential (RP) was examined. Sixteen subjects detected targets in a stream of non letter chara
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f4b73bb373bc55370e4dcad82f1bbf94
https://doi.org/10.3109/00207459908994322
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5
Transcranial Magnetic Stimulation in Study of the Visual Pathway
Autor: Roger Q. Cracco, Joan B. Cracco, L Eberle, Vahe E. Amassian, Alan P. Rudell, Paul J. Maccabee
Publikováno v: Journal of Clinical Neurophysiology. 15:288-304
The authors critically reviewed experiments in which transcranial magnetic stimulation (TMS) and repetitive TMS (rTMS) of the higher visual pathway were used. Topics include basic mechanisms of neural excitation by TMS and their relevance to the visu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf9394219c724290b5f4c1b35d5f4428
https://doi.org/10.1097/00004691-199807000-00002
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7
The Recognition Potential and Word Priming
Autor: Jian Hua, Alan P. Rudell
Publikováno v: International Journal of Neuroscience. 87:225-240
The effect of priming on the latency of the recognition potential (RP) was tested using rapid stream stimulation. Subjects detected five-letter words in a stream of nonword images. Lifting the right index finger signalled detection of a word. Rapid r
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37f4760fd2a2e9eb8a173da811af3d5d
https://doi.org/10.3109/00207459609070841
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8
Frequency of word usage and perceived word difficulty: Ratings of Kučera and Francis words
Autor: Alan P. Rudell
Publikováno v: Behavior Research Methods, Instruments, & Computers. 25:455-463
Twenty-four judges estimated the conceptual difficulty level of 870 five-letter words, using a 5-point scale. The words were selected from three word-frequency categories (1, 5–10, and 50–3,562/million) based on the word counts provided by Kucera
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::acf3af5a162749f09ba6b259fab4609a
https://doi.org/10.3758/bf03204543
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9
Recognition potential: sensitivity to visual field stimulated
Autor: N.F. Hassan, L. Eberle, Alan P. Rudell, Roger Q. Cracco
Publikováno v: Electroencephalography and Clinical Neurophysiology. 87:221-234
The recognition potential (RP) was distinguished from P3 and eye blink responses by its sensitivity to visual area stimulated. Images were flashed in upper and lower hemifields. Current source density profiles were computed, using 16 midline scalp el
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c4555427db3bff59862e2085988a4a03
https://doi.org/10.1016/0013-4694(93)90022-n
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10
The Recognition Potential Contrasted with the P300
Autor: Alan P. Rudell
Publikováno v: International Journal of Neuroscience. 60:85-111
An electrical response of the brain to recognizable images was described. The response (referred to as the "recognition potential") occurred for words, pictures, and faces, but not for non-meaningful control images. It was best recorded from the occi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::14e054395c6494aa21743ef4f0494352
https://doi.org/10.3109/00207459109082040
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