Computational and Cognitive Neuroscience of Vision by Qi Zhao

By Qi Zhao

Regardless of a plethora of medical literature dedicated to imaginative and prescient learn and the fashion towards integrative examine, the borders among disciplines stay a pragmatic trouble. to handle this challenge, this ebook presents a scientific and entire evaluation of imaginative and prescient from numerous views, starting from neuroscience to cognition, and from computational ideas to engineering advancements. it truly is written via top foreign researchers within the box, with an emphasis on linking a number of disciplines and the effect such synergy may end up in by way of either clinical breakthroughs and know-how techniques.  It is aimed toward energetic researchers and scientists and engineers in comparable fields.

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By Qi Zhao

Regardless of a plethora of medical literature dedicated to imaginative and prescient learn and the fashion towards integrative examine, the borders among disciplines stay a pragmatic trouble. to handle this challenge, this ebook presents a scientific and entire evaluation of imaginative and prescient from numerous views, starting from neuroscience to cognition, and from computational ideas to engineering advancements. it truly is written via top foreign researchers within the box, with an emphasis on linking a number of disciplines and the effect such synergy may end up in by way of either clinical breakthroughs and know-how techniques.  It is aimed toward energetic researchers and scientists and engineers in comparable fields.

Show description

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We used naturalistic objects that were occluded by presenting information through “bubbles” (Gosselin and Schyns 2001) (Fig. 1f). After a variable exposure time from 33 to 150 ms, subjects performed a five alternative forced-choice categorization task. Recognition was robust even when 80–90 % of the object was occluded across the various exposure times (Fig. 2). Similar results were obtained by Wyatte et al. (2012a). As illustrated by Bregman (1981), the presence of an occluder during object completion aids recognition performance.

Org © Springer Science+Business Media Singapore 2017 Q. 1007/978-981-10-0213-7_2 25 26 J. Kamiński and U. Rutishauser So far, most research utilizing single unit recordings in humans has focus on areas of the medial temporal lobe (MTL), in particular the hippocampus, amygdala, entorhinal cortex, and parahippocampal cortex. This is because the MTL is a routine target for depth electrode studies in patients suffering from drug resistant epilepsy. In this review, we will summarize key findings on how individual neurons in the MTL respond to visual stimuli and what has been discovered about the human visual system based on such recordings.

Even though occluded or partial objects such as the ones shown in Fig. 1c, d are segmented, observers view the object as a single percept, not as disjointed segments. Amodal completion is also important for achieving this single ‘gestalt’. Investigators have used a variety of different stimuli to probe the workings of object completion, ranging from simple lines and geometric shapes to naturalistic objects such as the ones shown in Fig. 1e, f. Psychophysical studies of amodal completion have provided many clues to the underlying computations (Kellman et al.

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