Brain and the gaze : on the active boundaries of vision by Jan Lauwereyns

By Jan Lauwereyns

How will we achieve entry to objects as they're? even though we normally take our self-made photographs to be veridical representations of fact, in truth we opt for (albeit unwittingly) or build what we see. via routine of the eyes, the path of our gaze, we create that means. In Brain and the Gaze, Jan Lauwereyns bargains a singular reformulation of belief and its neural underpinnings, concentrating on the lively nature of belief. In his research of energetic belief and its mind mechanisms, Lauwereyns bargains the gaze because the vital paradigm for notion. In a noticeably integrative account, grounded in neuroscience yet drawing on insights from philosophy and psychology, he discusses the dynamic and restricted nature of notion; the complicated info processing on the point of the retina; the energetic nature of imaginative and prescient; the extensive nature of representations; the gaze of others as visible stimulus; and the intentionality of imaginative and prescient and cognizance. an interesting element of access to the cognitive neuroscience of belief, written for neuroscientists yet illuminated by way of insights from thinkers starting from William James to Slavoj Žižek, Brain and the Gaze will provide new impetus to analyze and idea within the box.

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By Jan Lauwereyns

How will we achieve entry to objects as they're? even though we normally take our self-made photographs to be veridical representations of fact, in truth we opt for (albeit unwittingly) or build what we see. via routine of the eyes, the path of our gaze, we create that means. In Brain and the Gaze, Jan Lauwereyns bargains a singular reformulation of belief and its neural underpinnings, concentrating on the lively nature of belief. In his research of energetic belief and its mind mechanisms, Lauwereyns bargains the gaze because the vital paradigm for notion. In a noticeably integrative account, grounded in neuroscience yet drawing on insights from philosophy and psychology, he discusses the dynamic and restricted nature of notion; the complicated info processing on the point of the retina; the energetic nature of imaginative and prescient; the extensive nature of representations; the gaze of others as visible stimulus; and the intentionality of imaginative and prescient and cognizance. an interesting element of access to the cognitive neuroscience of belief, written for neuroscientists yet illuminated by way of insights from thinkers starting from William James to Slavoj Žižek, Brain and the Gaze will provide new impetus to analyze and idea within the box.

Show description

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This route would contribute to emotional processing, preference formation, and more complex forms of decision making, especially in situations that require abstract or relative reward processing. In contrast, dopamine neurons in the dorsal route would signal more generally the “motivational salience” or importance of the new information—perhaps a measure of arousal or excitement. The dorsal route projects to the dorsal striatum, an important gateway for mechanisms of orienting and gaze control (I will address this circuitry in full in chapter 2).

The extra time required for your response reflects different covert processes. The method is not foolproof. Even in my example with the three tasks, some overt processes might slip in and covary with reaction time. The tension in your left hand will probably be higher in task 1 and task 2 than in task 3—this would be preparatory motor activity, be it not yet a full-blown button press. It would likely show up in the electromyogram of the muscles in your left hand. We will be wise to treat the proposal by Donders (1869, 1969) as a hypothesis about the source of reaction time variation.

Differences in gaze control appeared to be associated with the performance on memory tests: Strange objects in a scene produced an increase not only in gaze duration but also in the likelihood of correct recognition. 4 offers yet another strategy. We can present our gazing subjects with incomplete images, systematically varying the kinds of information deleted. The loss of critical features should hamper recognition as when we block out the eyes, nose, and mouth of the Mona Lisa (left panel). 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).

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