11 Attention
... Concentrate on one object in visual field B. Selectively attend to information (while ignoring other information) C. Preferential processing of sensory information Attention-deficit hyperactivity disorder Demonstrates critical nature of intact attentional mechanisms Brain imaging studies Show that c ...
... Concentrate on one object in visual field B. Selectively attend to information (while ignoring other information) C. Preferential processing of sensory information Attention-deficit hyperactivity disorder Demonstrates critical nature of intact attentional mechanisms Brain imaging studies Show that c ...
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... systems. For example, the inferior temporal cortex processes sensory information about shape and color, but is equally involved in storage of the same types of stimulus features [64]. Although psychology has traditionally divided the mind into separate functions, such as perception, memory, spatial ...
... systems. For example, the inferior temporal cortex processes sensory information about shape and color, but is equally involved in storage of the same types of stimulus features [64]. Although psychology has traditionally divided the mind into separate functions, such as perception, memory, spatial ...
392868
... Advances in Artificial Intelligence of an object-centered gray-scale pattern in a 120 degreewide visual field that represents a spatially continuous vector pattern. In these representations, the scene information plays an essential role in the binding among multiple object-place associations in an e ...
... Advances in Artificial Intelligence of an object-centered gray-scale pattern in a 120 degreewide visual field that represents a spatially continuous vector pattern. In these representations, the scene information plays an essential role in the binding among multiple object-place associations in an e ...
A proposed common neural mechanism for categorization and
... are independent of planned movements or visuospatial factors, such as cognitive set signals related to the particular rule required to carry out a task26,27. A generic categorical representation is reminiscent of the reportindependent perceptual decision signals that we hypothesized above. According ...
... are independent of planned movements or visuospatial factors, such as cognitive set signals related to the particular rule required to carry out a task26,27. A generic categorical representation is reminiscent of the reportindependent perceptual decision signals that we hypothesized above. According ...
E(R) - Consciousness Online
... Uninformative stimuli bring less information but elicit a higher response than the 55% cues. It is not the information per se! It is its utility to the organism. After all, attention MUST be selective! ...
... Uninformative stimuli bring less information but elicit a higher response than the 55% cues. It is not the information per se! It is its utility to the organism. After all, attention MUST be selective! ...
(2006) Changes in visual receptive fields with microstimulation of
... responses at particular locations within the RF and altered the interaction between pairs of RF stimuli to favor those aligned with the activated FEF site. Thus, we could influence which stimulus drove the responses of individual V4 neurons. These results suggest that spatial signals involved in sac ...
... responses at particular locations within the RF and altered the interaction between pairs of RF stimuli to favor those aligned with the activated FEF site. Thus, we could influence which stimulus drove the responses of individual V4 neurons. These results suggest that spatial signals involved in sac ...
A coincidence detector neural network model of selective attention
... with only some of their physical characteristics being registered. These stimuli are therefore discarded prior to any semantic analysis. On the other hand, late-selection theories (Deutsch & Deutsch, 1963) have placed selection at a later processing stage. These theories have argued that all stimuli ...
... with only some of their physical characteristics being registered. These stimuli are therefore discarded prior to any semantic analysis. On the other hand, late-selection theories (Deutsch & Deutsch, 1963) have placed selection at a later processing stage. These theories have argued that all stimuli ...
Lecture 8 Motion Perception
... Six muscles are attached to each eye and are arranged in three pairs. • Controlled by an extensive network of structures in the brain • Superior colliculus: A structure in the midbrain that is important in initiating and guiding eye movements. When this structure is electrically stimulated, eye mo ...
... Six muscles are attached to each eye and are arranged in three pairs. • Controlled by an extensive network of structures in the brain • Superior colliculus: A structure in the midbrain that is important in initiating and guiding eye movements. When this structure is electrically stimulated, eye mo ...
Visual signals in the dorsolateral pontine nucleus of the alert
... exhibited non-direction selective receptive fields that were eccentric from the fovea. During fixation of a stationary bluish spot, the visual responses of 27 DLPN cells to movement of a small, white "test" spot were characterized by two components: (1) as the test spot crossed the fovea in a specif ...
... exhibited non-direction selective receptive fields that were eccentric from the fovea. During fixation of a stationary bluish spot, the visual responses of 27 DLPN cells to movement of a small, white "test" spot were characterized by two components: (1) as the test spot crossed the fovea in a specif ...
Selective visual attention and perceptual coherence
... abstract properties such as identity and behavioral relevance – must be bound together into a unified representation [1]. This requires coordinating the activity of neurons in early regions that code for specific visual features and locations with the activity of neurons at later stages that code fo ...
... abstract properties such as identity and behavioral relevance – must be bound together into a unified representation [1]. This requires coordinating the activity of neurons in early regions that code for specific visual features and locations with the activity of neurons at later stages that code fo ...
Slide 1
... Attention may be acting at different sites in the two paradigms • In this study, attention appears to exert its primary effects downstream from MT, consistent with "late selection" models of visual attention • In the paradigm of Treue and Maunsell attention exerts pronounced effects at, or before ...
... Attention may be acting at different sites in the two paradigms • In this study, attention appears to exert its primary effects downstream from MT, consistent with "late selection" models of visual attention • In the paradigm of Treue and Maunsell attention exerts pronounced effects at, or before ...
Memory - Cognitive Science Department
... Psychology: recall of word lists! • Some experimental results: – Subjects can hold only about 5 or 6 words (or other ‘items’) in memory • ‘Chunking’ (combining multiple items into one item) can help ...
... Psychology: recall of word lists! • Some experimental results: – Subjects can hold only about 5 or 6 words (or other ‘items’) in memory • ‘Chunking’ (combining multiple items into one item) can help ...
Oculomotor_2004
... • Superior colliculus drives the reticular formation to make contralateral saccades. • The frontal eye fields and the parietal cortex drive the colliculus. • The parietal cortex provides an attentional signal and the frontal eye fields a motor signal. • The substantia nigra inhibits the colliculus u ...
... • Superior colliculus drives the reticular formation to make contralateral saccades. • The frontal eye fields and the parietal cortex drive the colliculus. • The parietal cortex provides an attentional signal and the frontal eye fields a motor signal. • The substantia nigra inhibits the colliculus u ...
phys chapter 51 [3-20
... o When fixation area destroyed bilaterally, animal has difficulty keeping eyes directed toward given fixation point or may become totally unable to do so Involuntary locking fixation results from negative feedback mechanism that prevents object of attention from leaving foveal portion of retina Eyes ...
... o When fixation area destroyed bilaterally, animal has difficulty keeping eyes directed toward given fixation point or may become totally unable to do so Involuntary locking fixation results from negative feedback mechanism that prevents object of attention from leaving foveal portion of retina Eyes ...
Single-trial decoding of intended eye movement goals from lateral
... to its execution. As a first step in the development of a goal-selection BCI, we set out to determine if we could decode simple behavioral intentions to direct gaze to eight different locations in space from single-trial LPFC neural activity. We recorded neuronal spiking activity from microelectrode ...
... to its execution. As a first step in the development of a goal-selection BCI, we set out to determine if we could decode simple behavioral intentions to direct gaze to eight different locations in space from single-trial LPFC neural activity. We recorded neuronal spiking activity from microelectrode ...
Long-term memory - Universitas Ciputra
... information takers. This gives structure in our mind as a perceptual set or mental set. This in turn is influence by: • Information availability • Needs • Past experiences Visual Communication Design, Universitas Ciputra, 2010 ...
... information takers. This gives structure in our mind as a perceptual set or mental set. This in turn is influence by: • Information availability • Needs • Past experiences Visual Communication Design, Universitas Ciputra, 2010 ...
Information Optimization in Coupled Audio–Visual Cortical Maps Mehran Kardar A. Zee
... The general formalism for our calculations is set up in Sec. II.A, which reviews the methodology introduced in Ref. [7]. The essence of this approach is the assumption that neural connections act as linear filters of the incoming signals, and also introduce noise in the outputs. If the (correlated) ...
... The general formalism for our calculations is set up in Sec. II.A, which reviews the methodology introduced in Ref. [7]. The essence of this approach is the assumption that neural connections act as linear filters of the incoming signals, and also introduce noise in the outputs. If the (correlated) ...
Spikes not slots: noise in neural populations limits
... time; once this limit is reached, further items cannot enter memory [5–7]. These models draw support from theoretical studies of synchronised neural activity [8,9] and imaging studies claiming to show plateaus in the activation function at a particular number [10,11] (see [3] for a critical review). ...
... time; once this limit is reached, further items cannot enter memory [5–7]. These models draw support from theoretical studies of synchronised neural activity [8,9] and imaging studies claiming to show plateaus in the activation function at a particular number [10,11] (see [3] for a critical review). ...
Slide 1
... accompanied by small “corrective” saccades, indicated by the upward deflection in the eye velocity trace (dotted lines). The diagram outlines the circuits involved in constructing the motor command for horizontal pursuit. The major pathways involve projections from areas of the cerebral cortex via t ...
... accompanied by small “corrective” saccades, indicated by the upward deflection in the eye velocity trace (dotted lines). The diagram outlines the circuits involved in constructing the motor command for horizontal pursuit. The major pathways involve projections from areas of the cerebral cortex via t ...
The Physiology of the Senses Lecture 5
... Visual perception is a two-stage process. Stage 1) An early involuntary stage that automatically performs rapid low level processing of the visual world. Stage 2) A voluntary and attention-demanding capacity-limited bottle neck that regulates what enters working memory, awareness and consciousness. ...
... Visual perception is a two-stage process. Stage 1) An early involuntary stage that automatically performs rapid low level processing of the visual world. Stage 2) A voluntary and attention-demanding capacity-limited bottle neck that regulates what enters working memory, awareness and consciousness. ...
Document
... experiment the attention is entirely independent of the position and accommodation of the eyes, or indeed, of any known variations in or on the organ of vision. Thus it is possible, simply by a conscious and voluntary effort, to focus the attention on some definite spot in an absolutely dark and fea ...
... experiment the attention is entirely independent of the position and accommodation of the eyes, or indeed, of any known variations in or on the organ of vision. Thus it is possible, simply by a conscious and voluntary effort, to focus the attention on some definite spot in an absolutely dark and fea ...