Download Brain and the Gaze: On the Active Boundaries of Vision by Jan Lauwereyns PDF

By Jan Lauwereyns

How will we achieve entry to objects as they're? even if we generally take our self-made photos to be veridical representations of fact, really we decide on (albeit unwittingly) or build what we see. via activities of the eyes, the course of our gaze, we create which means. In Brain and the Gaze, Jan Lauwereyns bargains a unique reformulation of belief and its neural underpinnings, targeting the lively nature of notion. In his research of lively conception and its mind mechanisms, Lauwereyns bargains the gaze because the crucial paradigm for belief. In a extensively integrative account, grounded in neuroscience yet drawing on insights from philosophy and psychology, he discusses the dynamic and restricted nature of belief; the advanced info processing on the point of the retina; the lively nature of imaginative and prescient; the in depth nature of representations; the gaze of others as visible stimulus; and the intentionality of imaginative and prescient and recognition. an enticing aspect of access to the cognitive neuroscience of conception, written for neuroscientists yet illuminated via insights from thinkers starting from William James to Slavoj Žižek, Brain and the Gaze will supply new impetus to analyze and thought within the box.

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Additional info for Brain and the Gaze: On the Active Boundaries of Vision

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Some details convey more information—are more useful, more interesting—than what surrounds them. Our gaze finds such details, compulsively returns to them, and processes them more deeply than the rest. In case of the Mona Lisa, as in the case of other faces, we almost inevitably focus on the eyes, the mouth, and the tip of the nose. Specifically in the case of the Mona Lisa, it is possible that we spend a relatively large amount of time fixating the mouth, because the smile of La Gioconda remains so enigmatic (even after the compelling account by Livingstone, 2002|2008).

Noncritical features would hardly be missed at all; La Gioconda smiles as enigmatically as ever when the three masks are shifted to the hair (right panel). Tests such as these, then, allow us to establish which information is more or less relevant for our cognitive interaction with the visual world before us. Performance measures with deletions can then be correlated with gaze dynamics. The more informative the detail, the more damaging its absence. Details that are shown to be informative in this way will likely be the ones that attract our gaze in normal conditions when no information is masked.

It certainly puts boundaries on the role of overt movement, which occasionally sounds a bit overstated in Noë (2004). But more will need to be learned, particularly with respect to the underlying neural mechanisms, and the “premotor theory” of covert selective visual processing. A brief flash forward: It could be that the covert processing involves virtual movement planning—a thought that Noë will undoubtedly appreciate yet also a thought that becomes compelling only by scrutinizing what happens inside the head during perception.

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