AIP
... area showed that the anterograde and retrograde labelings in the agranular frontal cortex was almost completely confined to F5 and, therefore, the anatomical linkage between these two areas is highly selective and reciprocal. In addition, the differential distribution of the labeling observed in the ...
... area showed that the anterograde and retrograde labelings in the agranular frontal cortex was almost completely confined to F5 and, therefore, the anatomical linkage between these two areas is highly selective and reciprocal. In addition, the differential distribution of the labeling observed in the ...
test prep
... our biological make-up and the type of injury we have sustained. B) how well medical personnel deal with our injury. C) our physiology, experiences and attention, and our surrounding culture. D) what our culture allows us to express in terms of feelings of pain. 5. Kittens and monkey reared seeing o ...
... our biological make-up and the type of injury we have sustained. B) how well medical personnel deal with our injury. C) our physiology, experiences and attention, and our surrounding culture. D) what our culture allows us to express in terms of feelings of pain. 5. Kittens and monkey reared seeing o ...
MRS study on lentiform nucleus in idiopathic Parkinson`s disease
... the lentiform nucleus contralateral to the sympatomatic side, rather than in old healthy people. In patients who had not taken dopaminergic drugs, similar changes of NAA/Cho+Cr occurred on the lentiform nucleus contralateral to symptoms. But whether dopaminergic drugs could protect the neurons from ...
... the lentiform nucleus contralateral to the sympatomatic side, rather than in old healthy people. In patients who had not taken dopaminergic drugs, similar changes of NAA/Cho+Cr occurred on the lentiform nucleus contralateral to symptoms. But whether dopaminergic drugs could protect the neurons from ...
Perception of Motion, Depth, and Form
... a random assortment of equally connected areas.There is substantial evidence for two major processing pathways, a dorsal one to the posterior parietal cortex and a ventral one to the inferior temporal cortex, but other pathways may also exist. Second, there is strong evidence that the processingin t ...
... a random assortment of equally connected areas.There is substantial evidence for two major processing pathways, a dorsal one to the posterior parietal cortex and a ventral one to the inferior temporal cortex, but other pathways may also exist. Second, there is strong evidence that the processingin t ...
Contributions of temporal-parietal junction to the human
... patients who could discriminate the stimuli. Further behavioral studies of these same temporal-parietal patients have shown reduced orienting to distracting stimuli 17. Other investigators have reported that patients with anterograde memory deficits due to posterior association cortex or limbic path ...
... patients who could discriminate the stimuli. Further behavioral studies of these same temporal-parietal patients have shown reduced orienting to distracting stimuli 17. Other investigators have reported that patients with anterograde memory deficits due to posterior association cortex or limbic path ...
A Feedback Model of Visual Attention
... The Reynolds and Desimone model, in common with others (e.g., Olshausen et al., 1993), uses top-down signals to multiplicatively modulate the synaptic strengths of inter-regional connections so that attended information can be selectively routed to higher cortical regions. Equivalent results can be ...
... The Reynolds and Desimone model, in common with others (e.g., Olshausen et al., 1993), uses top-down signals to multiplicatively modulate the synaptic strengths of inter-regional connections so that attended information can be selectively routed to higher cortical regions. Equivalent results can be ...
What light have resting state fMRI studies shed on cognition and
... task-based studies, wherein participants perform scannercompatible assignments while BOLD signals are recorded [6]. These usually involve manual responses to audio/ visual cues, which minimizes movement. With creative design, task-based studies can target a wide array of motoric, cognitive, and even ...
... task-based studies, wherein participants perform scannercompatible assignments while BOLD signals are recorded [6]. These usually involve manual responses to audio/ visual cues, which minimizes movement. With creative design, task-based studies can target a wide array of motoric, cognitive, and even ...
Neural Basis of Prosopagnosia: An fMRI Study
... temporal sulcus; ots, occipito-temporal sulcus; los, lateral occipital (FFA). Objects did not produce activation in the expected LO sulcus; ios, inferior occipital sulcus; cs, collateral sulcus; ls, lingual region, and faces failed to activate the IOG area. In Patient GA, sulcus). G: Shows the locat ...
... temporal sulcus; ots, occipito-temporal sulcus; los, lateral occipital (FFA). Objects did not produce activation in the expected LO sulcus; ios, inferior occipital sulcus; cs, collateral sulcus; ls, lingual region, and faces failed to activate the IOG area. In Patient GA, sulcus). G: Shows the locat ...
PDF
... areas are the final stations where spatial maps for guiding movement are constructed. That is, motor processing and spatial processing overlap extensively, and the highest levels of spatial processing lie quite deep within the motor system. This integration of logically separable functions is not un ...
... areas are the final stations where spatial maps for guiding movement are constructed. That is, motor processing and spatial processing overlap extensively, and the highest levels of spatial processing lie quite deep within the motor system. This integration of logically separable functions is not un ...
Powerpoint - personal.rdg.ac.uk
... - In functional terms, the consolidation of T1 is thought to pose a bottleneck for the same process for T2. This is already well known and somewhat beside the main point of this present paper. ...
... - In functional terms, the consolidation of T1 is thought to pose a bottleneck for the same process for T2. This is already well known and somewhat beside the main point of this present paper. ...
Is perception informationally encapsulated? The issue of the theory-ladenness of perception
... the nature of the top-down influences. In what follows I will use Marr’s (Marr, 1982) theory of vision as an example of the kind of modular theory that Fodor is arguing for, to show how Churchland’s observations concerning illusions can in fact be accommodated in a semiFodorian framework. 2.1.1. Top ...
... the nature of the top-down influences. In what follows I will use Marr’s (Marr, 1982) theory of vision as an example of the kind of modular theory that Fodor is arguing for, to show how Churchland’s observations concerning illusions can in fact be accommodated in a semiFodorian framework. 2.1.1. Top ...
Structural brain MRI studies in eye diseases: are they clinically
... grey matter volume at the occipital poles in albinism. The location of the decrease in grey matter corresponds to the cortical representation of the central visual field. This reduction was possibly a direct result of decreased ganglion cell numbers in the central retina in albinism. Moreover, the ca ...
... grey matter volume at the occipital poles in albinism. The location of the decrease in grey matter corresponds to the cortical representation of the central visual field. This reduction was possibly a direct result of decreased ganglion cell numbers in the central retina in albinism. Moreover, the ca ...
Relative timing: from behaviour to neurons
... SOA is positive when stimulus A is presented first and negative when stimulus B is presented first. The single-headed arrow (green) corresponds to the point of subjective simultaneity (PSS), the SOA that corresponds to 50% on the ordinate. The double-headed arrow (blue) indicates the just notable di ...
... SOA is positive when stimulus A is presented first and negative when stimulus B is presented first. The single-headed arrow (green) corresponds to the point of subjective simultaneity (PSS), the SOA that corresponds to 50% on the ordinate. The double-headed arrow (blue) indicates the just notable di ...
Impact on Perception, Attention, and Memory
... emotional stimuli. This was demonstrated using an attentional cuing paradigm (Posner, 1980) in which fearful or neutral faces were used to cue the location of a subsequent target (Phelps, Ling, & Carrasco, 2006). The target was a simple gabor patch that varied in its visibility from trial to trial b ...
... emotional stimuli. This was demonstrated using an attentional cuing paradigm (Posner, 1980) in which fearful or neutral faces were used to cue the location of a subsequent target (Phelps, Ling, & Carrasco, 2006). The target was a simple gabor patch that varied in its visibility from trial to trial b ...
Neural correlates of action attribution in schizophrenia
... and attribute the action to another agent, the right inferior parietal lobule is activated (Ruby and Decety 2001; Decety et al., 2002; Farrer and Frith, 2002). Furthermore, a study by Farrer et al. (2003) suggests that the feeling of being in control of an action is not an all or none state. It vari ...
... and attribute the action to another agent, the right inferior parietal lobule is activated (Ruby and Decety 2001; Decety et al., 2002; Farrer and Frith, 2002). Furthermore, a study by Farrer et al. (2003) suggests that the feeling of being in control of an action is not an all or none state. It vari ...
Visual speech circuits in profound acquired
... we assessed the impact of acquired deafness on the brain network related to speechreading and teased apart cortical areas with responses showing long-term reorganization, i.e. time-dependent plasticity over 4^48 months of deafness, from those expressing compensation, i.e. performance-related activit ...
... we assessed the impact of acquired deafness on the brain network related to speechreading and teased apart cortical areas with responses showing long-term reorganization, i.e. time-dependent plasticity over 4^48 months of deafness, from those expressing compensation, i.e. performance-related activit ...
Gaze direction controls response gain in primary visual
... found to be modulated in only 11% of cases, with no correlation with the modulation on visual response. Variations in the neural response are not due to effects such as fatigue or adaptation because controls of activity stability were performed for 90% of cells by repeating the ®rst block of recordi ...
... found to be modulated in only 11% of cases, with no correlation with the modulation on visual response. Variations in the neural response are not due to effects such as fatigue or adaptation because controls of activity stability were performed for 90% of cells by repeating the ®rst block of recordi ...
In praise of artifice
... to attach to different aspects of natural scene statistics is to have a comprehensive formal model of the neuron under study—but this is usually presented as the outcome rather than the foundation for the analysis. The most popular way to try to solve this problem is to use ‘reverse correlation’ or ...
... to attach to different aspects of natural scene statistics is to have a comprehensive formal model of the neuron under study—but this is usually presented as the outcome rather than the foundation for the analysis. The most popular way to try to solve this problem is to use ‘reverse correlation’ or ...
Lower activation in the right frontoparietal network during a counting
... according to the Edinburgh Handedness Inventory (Oldfield, 1971). An initial study of their clinical history and a subsequent onsite assessment by a neuropsychologist and a psychiatrist ensured that both groups were physically healthy with no major medical illnesses or DSM-IV Axis-I disorders, had no ...
... according to the Edinburgh Handedness Inventory (Oldfield, 1971). An initial study of their clinical history and a subsequent onsite assessment by a neuropsychologist and a psychiatrist ensured that both groups were physically healthy with no major medical illnesses or DSM-IV Axis-I disorders, had no ...
“visual pathway and its lesions” dr.tasneem
... the retinas cross to the opposite sides, where they join the fibers from the opposite temporal retinas to form the optic tracts. • The fibers of each optic tract then synapse in the dorsal lateral geniculate nucleus of the thalamus, • From there, geniculocalcarine fibers pass by way of the optic rad ...
... the retinas cross to the opposite sides, where they join the fibers from the opposite temporal retinas to form the optic tracts. • The fibers of each optic tract then synapse in the dorsal lateral geniculate nucleus of the thalamus, • From there, geniculocalcarine fibers pass by way of the optic rad ...
Design and analysis of fMRI studies with neurologically impaired
... view colored vs. black and white shapes), and motor or high-level cognitive processes are typically investigated with task manipulations (e.g., moving the left hand vs. the right hand, or verbal fluency vs. verbal repetition). The most informative designs manipulate two or more variables, including b ...
... view colored vs. black and white shapes), and motor or high-level cognitive processes are typically investigated with task manipulations (e.g., moving the left hand vs. the right hand, or verbal fluency vs. verbal repetition). The most informative designs manipulate two or more variables, including b ...
Human brain spots emotion in non humanoid
... stimuli trigger selective attention due to their biological meaning. Emotional cues would guide visual attention and receive privileged processing that would in turn enhance the saliency of emotional stimuli (Adolphs, 2004; Rey et al., 2010). This hypothesis is supported by EEG and fMRI findings of ...
... stimuli trigger selective attention due to their biological meaning. Emotional cues would guide visual attention and receive privileged processing that would in turn enhance the saliency of emotional stimuli (Adolphs, 2004; Rey et al., 2010). This hypothesis is supported by EEG and fMRI findings of ...
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... Syndrome (CBS). It is important to note here that sometimes non-existent objects are reportedly visualized by subjects which are primarily due to residual information present in the visual cortex from past experiences [12]. Research into such observations has shown activations in V1 region of the br ...
... Syndrome (CBS). It is important to note here that sometimes non-existent objects are reportedly visualized by subjects which are primarily due to residual information present in the visual cortex from past experiences [12]. Research into such observations has shown activations in V1 region of the br ...
Lateral Geniculate nucleus
... The pretectum bilateral projections to the Edinger-Westphal nuclei ensure that both eyes react to light: shining a light into each eye can elicit a direct and a consensual pupillary reflex. This light reflex tells us about one’s visual pathways status. ...
... The pretectum bilateral projections to the Edinger-Westphal nuclei ensure that both eyes react to light: shining a light into each eye can elicit a direct and a consensual pupillary reflex. This light reflex tells us about one’s visual pathways status. ...
as a PDF
... lumbar puncture, and magnetic resonance imaging/computed tomography scans. The diagnosis of AD was made by exclusion of other dementia diseases, in accordance with criteria from the National Institute of Neurological and Communication Disorders and Stroke-Alzheimer’s disease and Related Disorders As ...
... lumbar puncture, and magnetic resonance imaging/computed tomography scans. The diagnosis of AD was made by exclusion of other dementia diseases, in accordance with criteria from the National Institute of Neurological and Communication Disorders and Stroke-Alzheimer’s disease and Related Disorders As ...