Binocular Rivalry and Visual Awareness in Human Extrastriate Cortex
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A presentation concerning the paper "Binocular Rivalry and Visual Awareness in Human Extrastriate Cortex " by Frank Tong, Ken Nakayama, J. Thomas Vaughan, and Nancy Kanwisher Department of Psychology Harvard University Neuron, Vol. 21 753-759, October 1998 Created by Stan James while a student at the University of Osnabrück, Germany
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Binocular Rivalry and Visual Awareness in Human Extrastriate Cortex
- 1. Binocular Rivalry and Visual Awareness in Human Extrastriate Cortex Frank Tong, Ken Nakayama, J. Thomas Vaughan, and Nancy Kanwisher Department of Psychology Harvard University Neuron, Vol. 21 753-759, October 1998
- 2. Talk Outline M E T H O D S B A C K G R O U N D R E S U L T S C O N C L U S I O N
- 3. B A C K G R O U N D
- 5. Binocular Rivalry Brain 2 Stimuli 1 Perception
- 6. Binocular Rivalry Brain 2 Stimuli 1 Perception
- 8. Where is rivalry resolved? FFA = Fusiform Face Area PPA = Parahippocampal Place Area FFA PPA LGN PVC
- 9. M E T H O D S
- 13. Localizer Scan (In actual experiment, stimuli were presented for 16 second intervals.)
- 16. Rivalry Scan
- 19. Non-Rivalry Scan (Stimuli presented in same sequence and duration as reported in rivalry scan.)
- 21. R E S U L T S
- 22. 1. Localizer Scans FFA = Fusiform Face Area PPA = Parahippocampal Place Area
- 23. Localizer Scans – Raw Data FFA = Fusiform Face Area PPA = Parahippocampal Place Area
- 24. Rivalry Scans – Raw Data FFA = Fusiform Face Area PPA = Parahippocampal Place Area
- 27. C O N C L U S I O N
- 29. Upper bound on rivalry resolution FFA = Fusiform Face Area PPA = Parahippocampal Place Area FFA PPA LGN PVC
- 30. Executive Summary M E T H O D S B A C K G R O U N D R E S U L T S C O N C L U S I O N Where is rivalry resolved? Chic glasses + fMRI. 3 experiments. FFA & PPA respond the same for rivalry and non-rivalry. Rivalry is resolved before these stages of processing.
- 31. Questions?
- 34. Binocular Rivalry and Visual Awareness in Human Extrastriate Cortex Frank Tong, Ken Nakayama, J. Thomas Vaughan, and Nancy Kanwisher Department of Psychology Harvard University Neuron, Vol. 21 753-759, October 1998 Presented by Stan James and Mayumi Koguchi [email_address] [email_address]
- 35. Binocular Rivalry and Visual Awareness in Human Extrastriate Cortex Frank Tong, Ken Nakayama, J. Thomas Vaughan, and Nancy Kanwisher Department of Psychology Harvard University Neuron, Vol. 21 753-759, October 1998 Presented by Stan James and Mayumi Koguchi [email_address] [email_address]
- 36. Executive Summary M E T H O D S B A C K G R O U N D R E S U L T S C O N C L U S I O N Where is rivalry resolved? Stylish glasses, fMRI FFA & PPA respond the same for rivalry and non. Rivalry is resolved before these stages of processing.
- 38. 2. Rivalry Scans – Raw Data FFA = Fusiform Face Area PPA = Parahippocampal Place Area
- 40. Rivalry
- 41. Binocular Rivalry Brain 2 Stimuli 1 Perception