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Visual perception and spatial awareness
- Author / Creator
- Available as
- Online
Details
- Creator
- Marlene Behrmann
- Format
- Videos, Slides, Films
- Language
- English
- Publication
-
- London : Henry Stewart Talks Ltd, 2010
- Physical Details
-
- 1 videorecording (1 hr., 00 min., 49 sec.)
- video file
- Retrieved April 14, 2024, from https://hstalks.com/bs/1705/.
- Introduction -- Complex visual scene -- Selective attention (1) -- Selective attention (2) -- What is the 'fate' of the unattended information? -- Investigations -- Spatial cueing of attention -- Goal-directed cueing: valid and invalid trial -- Goal-directed cueing: neutral trial -- Stimulus-driven cueing: valid and invalid trial -- Spatial attention facilitates detection -- Cortical regions related to visuospatial attention -- Lesion to parietal cortex (such as after a stroke) -- Example: Federico Fellini -- Example: Anton Raderscheidt -- Patients with parietal lesions -- Vision and eye movements -- Location and duration of fixations -- Neglect: errors and eye movements -- Normal: no errors in reading -- Hemianopic: no reading errors -- Neglect in visual imagery (1) -- Neglect in visual imagery (2) -- Neglect in visual imagery (3) -- Influenced by probability? (1) -- Procedure -- Influenced by probability? (2) -- Enhanced RT without awareness -- Speeded RTs without awareness -- Attention always necessary? -- Unconscious processing of neglect information -- Same and different objects -- Priming paradigm -- Magnitude of the priming? -- Nature of the task may influence awareness -- Localization and enumeration -- Perceptual organization in absence of attention (1) -- Perceptual organization in absence of attention (2) -- Experiment conducted between and within field -- Two forms of organization -- Patients vary in neglect severity -- Covert attentional cueing paradigm -- Equal congruency effects for all groups -- Neural fate of seen and unseen faces -- Neural correlates of visual awareness -- Summary -- Conclusions -- Acknowledgements