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Perceptual Grouping of Complex Objects in the Primate Visual System
Jeurissen, J.J.D.M.
2016
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citation for published version (APA)
Jeurissen, J. J. D. M. (2016). Perceptual Grouping of Complex Objects in the Primate Visual System.
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Contents
Preface vii
Contents x
1 Introduction 1
1.1 The anatomy of the primate visual system . . . 4
1.2 Functional properties of neurons in the visual system . . . 8
1.3 Object perception . . . 12
1.3.1 Object recognition . . . 13
1.3.2 Figure-ground segregation . . . 14
1.4 Attention . . . 18
1.4.1 Attention and perceptual grouping . . . 20
1.5 Research questions . . . 22
1.6 Research techniques . . . 22
1.6.1 Electrophysiological experiments . . . 23
1.6.2 Computational modeling and psychophysical experiments . . . 24
1.7 Overview . . . 25
2 Gestalt cues influence neuronal activity in visual cortex and affect perceived contrast 27 2.1 Abstract . . . 28 2.2 Introduction . . . 29 2.3 Experiment 1 . . . 32 2.3.1 Methods . . . 32 2.3.2 Results . . . 35 2.4 Experiment 2 . . . 36 2.4.1 Methods . . . 36 2.4.2 Results . . . 39 2.5 Discussion . . . 43
3 Learning and attention affect segmentation of complex visual scenes in visual cortex 45 3.1 Abstract . . . 46
3.2 Introduction . . . 47
xii Contents
3.3.1 Methods . . . 48
3.3.2 Results . . . 54
3.4 Discussion . . . 68
4 Serial grouping of 2D-image regions with object-based attention 73 4.1 Abstract . . . 74 4.2 Introduction . . . 75 4.3 Model implementation . . . 77 4.4 Experiment 1 . . . 80 4.4.1 Methods . . . 80 4.4.2 Results . . . 82 4.5 Experiment 2 . . . 85 4.5.1 Methods . . . 85 4.5.2 Results . . . 86 4.6 Experiment 3 . . . 90 4.6.1 Methods . . . 90 4.6.2 Results . . . 91 4.7 Discussion . . . 93
5 The time course of perceptual grouping in natural scenes 97 5.1 Abstract . . . 98 5.2 Introduction . . . 99 5.3 Experiment 1 . . . 100 5.3.1 Methods . . . 100 5.3.2 Results . . . 102 5.4 Experiment 2 . . . 108 5.4.1 Methods . . . 108 5.4.2 Results . . . 108 5.5 Discussion . . . 110 6 Conclusion 113 6.1 Answers to the research questions . . . 115
6.2 Answer to the problem statement . . . 118
