Stimuluslocked responses on human arm muscles reveal a rapid
... appearance and functionally relevant for orienting gaze (head and eye) towards the target. Because oculomotor structures thought to contribute to ‘visual responses’ on neck muscles also target some arm muscles via a tecto-reticulo-spinal pathway, we hypothesized that a similar visual response would ...
... appearance and functionally relevant for orienting gaze (head and eye) towards the target. Because oculomotor structures thought to contribute to ‘visual responses’ on neck muscles also target some arm muscles via a tecto-reticulo-spinal pathway, we hypothesized that a similar visual response would ...
The Neuroanatomical Basis of Understanding Sarcasm and Its
... that compared with healthy controls, these patients could not interpret sarcasm. In concordance with this, we also reported a deficit in interpretation of sarcasm in patients with prefrontal damage (Shamay et al., 2002). In these studies, however, patients with unilateral right and left frontal dama ...
... that compared with healthy controls, these patients could not interpret sarcasm. In concordance with this, we also reported a deficit in interpretation of sarcasm in patients with prefrontal damage (Shamay et al., 2002). In these studies, however, patients with unilateral right and left frontal dama ...
Data Visualization Optimization Computational Modeling of Perception
... This Gabor function is a good approximation of the edge patterns for which V1 neurons are selective [31]. Daugman argued that this function provides an optimal tradeoff between representing spatial position and frequency. Previous models of the human visual system have produced the contour perceptio ...
... This Gabor function is a good approximation of the edge patterns for which V1 neurons are selective [31]. Daugman argued that this function provides an optimal tradeoff between representing spatial position and frequency. Previous models of the human visual system have produced the contour perceptio ...
Repetitive Transcranial Magnetic Stimulation (rTMS) for the
... victims of TBI with diffuse axonal injury (DAI) is a safe instrument and if it enhances cognitive function recovery. Methods: Double-blind randomized controlled trial of patients with diffuse axonal injury. Thirty-six patients will be randomized to either an active coil group or sham group in a 1:1 ...
... victims of TBI with diffuse axonal injury (DAI) is a safe instrument and if it enhances cognitive function recovery. Methods: Double-blind randomized controlled trial of patients with diffuse axonal injury. Thirty-six patients will be randomized to either an active coil group or sham group in a 1:1 ...
PDF hosted at the Radboud Repository of the Radboud University Nijmegen
... sory integration Summary: Most cognitive functions are based on highly parallel and distributed information processing by the brain. A paradigmatic example is provided by the ver tebrate visual system where numerous cortical areas have been described which anal yse different types of visual inform ...
... sory integration Summary: Most cognitive functions are based on highly parallel and distributed information processing by the brain. A paradigmatic example is provided by the ver tebrate visual system where numerous cortical areas have been described which anal yse different types of visual inform ...
Automatic and Voluntary Shifts of Attention in a Dynamic Neural... the Dimensional Change Card Sort Task
... More recently there has been a growing interest in using such tasks as an index of neural functioning. Specifically, these tasks have been linked to developmental changes in the prefrontal cortex as well as other brain regions (Crone et al., 2006) and have been used to explore cognitive deficits ...
... More recently there has been a growing interest in using such tasks as an index of neural functioning. Specifically, these tasks have been linked to developmental changes in the prefrontal cortex as well as other brain regions (Crone et al., 2006) and have been used to explore cognitive deficits ...
retina - Bakersfield College
... – Thinning of the ganglion cell layer reduces distortion due to cells between the pupil and the retina ...
... – Thinning of the ganglion cell layer reduces distortion due to cells between the pupil and the retina ...
On-line, voluntary control of human temporal lobe
... Daily life continually confronts us with an exuberance of external, sensory stimuli competing with a rich stream of internal deliberations, plans and ruminations. The brain must select one or more of these for further processing. How this competition is resolved across multiple sensory and cognitive ...
... Daily life continually confronts us with an exuberance of external, sensory stimuli competing with a rich stream of internal deliberations, plans and ruminations. The brain must select one or more of these for further processing. How this competition is resolved across multiple sensory and cognitive ...
Myers Module Nine
... Social influence theory of hypnosis. (Spanos & Coe, 1992,mp112,cp111). Milgram, 1974: An authoritative person in a legitimate context can induce people--hypnotized or not--to perform some unlikely acts. Hypnosis is more likely to be an extreme form of dissociation--a split between different levels o ...
... Social influence theory of hypnosis. (Spanos & Coe, 1992,mp112,cp111). Milgram, 1974: An authoritative person in a legitimate context can induce people--hypnotized or not--to perform some unlikely acts. Hypnosis is more likely to be an extreme form of dissociation--a split between different levels o ...
Cortical Algorithms for Perceptual Grouping
... how perceptual grouping may be implemented in the visual cortex. According to this framework, two mechanisms are responsible for perceptual grouping: base-grouping and incremental grouping. Base-groupings are coded by single neurons tuned to multiple features, like the combination of a color and an ...
... how perceptual grouping may be implemented in the visual cortex. According to this framework, two mechanisms are responsible for perceptual grouping: base-grouping and incremental grouping. Base-groupings are coded by single neurons tuned to multiple features, like the combination of a color and an ...
Visually Induced Ocular Torsion
... visual scene enriched with spatial clues important for maintaining posture was found to induce significantly more torsion compared to a scene without spatial clues. The degree of stimuli tilt had no significant effect, nor the stimuli periphery. In the second study, torsional response was shown to d ...
... visual scene enriched with spatial clues important for maintaining posture was found to induce significantly more torsion compared to a scene without spatial clues. The degree of stimuli tilt had no significant effect, nor the stimuli periphery. In the second study, torsional response was shown to d ...
The Constructive Nature of Visual Processing
... from background (see Chapter 27). The highest level involves object recognition (see Chapter 28). Once a scene has been parsed by the brain and objects recognized, the objects can be matched with memories of shapes and their associated meanings. Vision also has an important role in guiding body move ...
... from background (see Chapter 27). The highest level involves object recognition (see Chapter 28). Once a scene has been parsed by the brain and objects recognized, the objects can be matched with memories of shapes and their associated meanings. Vision also has an important role in guiding body move ...
Electrophysiology in Vision How VEP and ERG Can Impact Your
... cessation of the diagnostic program). Abnormal VEP test results suggests a continuation of the diagnostic program with one or more of the following treatment options: Confirm all abnormal findings within 1-2 weeks Brain, optic nerve, orbital imaging and angiography Referral as appropriate ...
... cessation of the diagnostic program). Abnormal VEP test results suggests a continuation of the diagnostic program with one or more of the following treatment options: Confirm all abnormal findings within 1-2 weeks Brain, optic nerve, orbital imaging and angiography Referral as appropriate ...
Thesis Proposal Presentation
... Payne, J.D. (1999). Are stimulants overprescribed? treatment of ADHD in four U.S. communities. Journal of the American Academy of Child & Adolescent Psychiatry, 38, 794-804. ...
... Payne, J.D. (1999). Are stimulants overprescribed? treatment of ADHD in four U.S. communities. Journal of the American Academy of Child & Adolescent Psychiatry, 38, 794-804. ...
Effect of Spatial Attention on the Responses of Area MT Neurons
... 1783–1794, 1999. This study examines the influence of spatial attention on the responses of neurons in the middle temporal visual area (MT or V5) of extrastriate cortex. Two monkeys were trained to perform a direction-discrimination task. On each trial, two apertures of random-dot stimuli appeared s ...
... 1783–1794, 1999. This study examines the influence of spatial attention on the responses of neurons in the middle temporal visual area (MT or V5) of extrastriate cortex. Two monkeys were trained to perform a direction-discrimination task. On each trial, two apertures of random-dot stimuli appeared s ...
Transcripts/2_4 1
... ii. Something like 1/3 or 1/4 of the human brain is required for our full visual capability. That is an enormous amount of tissue, which is more than for language. iii. Why is this? Why does visual processing take so much of the brain? d. The problem here is something called the “inverse problem”. I ...
... ii. Something like 1/3 or 1/4 of the human brain is required for our full visual capability. That is an enormous amount of tissue, which is more than for language. iii. Why is this? Why does visual processing take so much of the brain? d. The problem here is something called the “inverse problem”. I ...
Corticobasal Syndrome Associated With the A9D Progranulin Mutation
... resonance imaging and [18F]fluorodeoxyglucose-positron emission tomography studies revealed severe cerebral cortical atrophy and hypometabolism, which were significantly more pronounced in the parietal lobes (right > left). Neuropathologic examination displayed the highest degree of degeneration and ...
... resonance imaging and [18F]fluorodeoxyglucose-positron emission tomography studies revealed severe cerebral cortical atrophy and hypometabolism, which were significantly more pronounced in the parietal lobes (right > left). Neuropathologic examination displayed the highest degree of degeneration and ...
Visual detection deficits following inactivation of the superior colliculus in the cat
... et al., 1982; Overton & Dean, 1988; Lomber et al., 2001). Unfortunately, the interpretation of these studies is limited because of one or more of the following considerations: (1) Most of these experiments used permanent ablation of the SC rather than reversible inactivation. SC ablation initially p ...
... et al., 1982; Overton & Dean, 1988; Lomber et al., 2001). Unfortunately, the interpretation of these studies is limited because of one or more of the following considerations: (1) Most of these experiments used permanent ablation of the SC rather than reversible inactivation. SC ablation initially p ...
Dysregulation of Arousal and Amygdala
... imaging and skin conductance arousal recordings were acquired during presentation of faces expressing fear or neutral emotion. Responses to fear stimuli were further examined by contrasting those that were associated with a skin conductance response (“with arousal”) and those that were not (“without ...
... imaging and skin conductance arousal recordings were acquired during presentation of faces expressing fear or neutral emotion. Responses to fear stimuli were further examined by contrasting those that were associated with a skin conductance response (“with arousal”) and those that were not (“without ...
Symmetrical hemispheric priming in spatial neglect: A
... Neglect patients, RH-control patients and age-matched normal participants performed the same semantic categorization task with high accuracy (Table 2). In a post-session debriefing, only two control participants occasionally noticed the existence of primes but reported being unable to identify them ...
... Neglect patients, RH-control patients and age-matched normal participants performed the same semantic categorization task with high accuracy (Table 2). In a post-session debriefing, only two control participants occasionally noticed the existence of primes but reported being unable to identify them ...
Delirium
... coherent stream of thought, free of interference from external or internal stimuli) – Sustained attention – Divided attention – Ability to inhibit irrelevant stimuli ...
... coherent stream of thought, free of interference from external or internal stimuli) – Sustained attention – Divided attention – Ability to inhibit irrelevant stimuli ...
Models of Attentional Learning - Indiana University Bloomington
... 1961). Again this difference can be explained by the action of selective attention. When learning Type II, people learn to ignore the irrelevant dimension, thereby quickly generalizing across that dimension. ...
... 1961). Again this difference can be explained by the action of selective attention. When learning Type II, people learn to ignore the irrelevant dimension, thereby quickly generalizing across that dimension. ...
Review The Neural Basis of Perceptual Learning
... largely represented in the temporal lobe. This idea originated from the finding that lesions of certain portions of the temporal lobe lead to the loss of the ability to recognize faces, a syndrome known as prosopagnosia. Since we retain the ability to learn new faces throughout normal lives, one wou ...
... largely represented in the temporal lobe. This idea originated from the finding that lesions of certain portions of the temporal lobe lead to the loss of the ability to recognize faces, a syndrome known as prosopagnosia. Since we retain the ability to learn new faces throughout normal lives, one wou ...
Tuning Curve Shift by Attention Modulation in Cortical Neurons: a
... quantity is positive (negative), the shift is towards (away from) attention. In a few cases (Fig. 4C) we also tried systematically another measure of RF shift based on a Gaussian fit to ensure that our conclusions are not dependent on the particular measure of shift used. Specifically, we fitted a Gaus ...
... quantity is positive (negative), the shift is towards (away from) attention. In a few cases (Fig. 4C) we also tried systematically another measure of RF shift based on a Gaussian fit to ensure that our conclusions are not dependent on the particular measure of shift used. Specifically, we fitted a Gaus ...
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... the magnocellular component of visual system (which responds to contrast and movement) has led to alternative theories challenging the phonological deficit model of dyslexia. Deficits in the magno system have also been proposed as an explanation for the symptoms of visual stress which many people ex ...
... the magnocellular component of visual system (which responds to contrast and movement) has led to alternative theories challenging the phonological deficit model of dyslexia. Deficits in the magno system have also been proposed as an explanation for the symptoms of visual stress which many people ex ...