Reaching beyond the classical receptive field of V1 neurons
... direction, whereas they are less suppressive and can even be facilitatory for center and surround stimuli of orthogonal orientations and opposite directions of motion [20,50,54,56,88,92]. The orientation selectivity of center– surround interactions in cortical cells, in contrast to non orientation-s ...
... direction, whereas they are less suppressive and can even be facilitatory for center and surround stimuli of orthogonal orientations and opposite directions of motion [20,50,54,56,88,92]. The orientation selectivity of center– surround interactions in cortical cells, in contrast to non orientation-s ...
Neuronal mechanisms of executive control by the prefrontal cortex
... analyzed using a dual-task paradigm, in which the subject is required to perform two different tasks simultaneously. In addition to the coordinated operation of multiple control systems, they also included as functions of the central executive selective attention, the capacity to switch attention fr ...
... analyzed using a dual-task paradigm, in which the subject is required to perform two different tasks simultaneously. In addition to the coordinated operation of multiple control systems, they also included as functions of the central executive selective attention, the capacity to switch attention fr ...
Connections underlying the synthesis of cognition,
... humans holds a privileged position within the nervous system with regard to thought and reason. This view stems, in part, from the classic neurological literature which has provided evidence that the frontal cortex, and its anterior (prefrontal) component, in particular, has a role in cognitive proc ...
... humans holds a privileged position within the nervous system with regard to thought and reason. This view stems, in part, from the classic neurological literature which has provided evidence that the frontal cortex, and its anterior (prefrontal) component, in particular, has a role in cognitive proc ...
Basal Ganglia YAYDAR 2012-2013
... extent the movement will be fast, and how long it will last. Storage of motor programs of familiar motor actions: e.g. signature. ...
... extent the movement will be fast, and how long it will last. Storage of motor programs of familiar motor actions: e.g. signature. ...
Dynamic relationships between age, beta
... Downloaded from http://brain.oxfordjournals.org/ by guest on May 30, 2016 ...
... Downloaded from http://brain.oxfordjournals.org/ by guest on May 30, 2016 ...
Proteus: Visual Analogy in Problem Solving
... only the retrieval, transfer and evaluation subtasks (since the mappings between different letters are already stored in the system). A second goal of our work is to build a unified theory of visual analogy that not only addresses all major subtasks of analogy, but also uses a uniform knowledge repr ...
... only the retrieval, transfer and evaluation subtasks (since the mappings between different letters are already stored in the system). A second goal of our work is to build a unified theory of visual analogy that not only addresses all major subtasks of analogy, but also uses a uniform knowledge repr ...
PDF
... However, the brain pays more attention to some stimuli—such as those that signal rewards or warn of potential threats—than to others. These stimuli receive extra attention because they activate a structure deep within the brain called the amygdala. The amygdala, which is named after the Greek word f ...
... However, the brain pays more attention to some stimuli—such as those that signal rewards or warn of potential threats—than to others. These stimuli receive extra attention because they activate a structure deep within the brain called the amygdala. The amygdala, which is named after the Greek word f ...
CEREBRAL CORTEX - Global Anatomy Home Page
... rarely seen following cortical damage but, rather, sensory and motor problems tend to be combined with “higher order” dysfunctions involving thought processes, speech, emotions, or memory. This probably reflects the fact that primary sensory and motor areas cover only a relatively small fraction of ...
... rarely seen following cortical damage but, rather, sensory and motor problems tend to be combined with “higher order” dysfunctions involving thought processes, speech, emotions, or memory. This probably reflects the fact that primary sensory and motor areas cover only a relatively small fraction of ...
Basal Ganglia objectives - NBio401
... movements, there are other loops between the basal ganglia and cerebral cortex that perform analogous functions for oculomotor, executive, and emotional systems. - Be able to describe the type of learning in which the basal ganglia are involved. ...
... movements, there are other loops between the basal ganglia and cerebral cortex that perform analogous functions for oculomotor, executive, and emotional systems. - Be able to describe the type of learning in which the basal ganglia are involved. ...
Neurophysiologic Testing
... kinematic movement disorder features. The Tremorometer is a physiologic recording system using accelerometers that generates precision tremor frequency and amplitude information. TremReport™ is a utility for generating comprehensive reports from tremor records and written interpretations. The curren ...
... kinematic movement disorder features. The Tremorometer is a physiologic recording system using accelerometers that generates precision tremor frequency and amplitude information. TremReport™ is a utility for generating comprehensive reports from tremor records and written interpretations. The curren ...
Apparent Atypical Callosal Dysgenesis
... white matter fibers has been described in patients with holoprosencephaly of the intermediate or semi lobar type [5 , 7, 10, 11]. Fleming and Norman [11] describe one such pseudosplenium in depth. This structure, formed by myelinated and unmyelinated transverse axons, differed from a normal corpus c ...
... white matter fibers has been described in patients with holoprosencephaly of the intermediate or semi lobar type [5 , 7, 10, 11]. Fleming and Norman [11] describe one such pseudosplenium in depth. This structure, formed by myelinated and unmyelinated transverse axons, differed from a normal corpus c ...
The dual-pathway model of auditory signal
... neuroanatomically segregated based on task demands even when stimuli are identical across tasks. Nevertheless, studies in this line of dissociation of “where” and “what” processing have adopted working memory paradigms that require sound information to be perceived, temporarily stored, reorganized, ...
... neuroanatomically segregated based on task demands even when stimuli are identical across tasks. Nevertheless, studies in this line of dissociation of “where” and “what” processing have adopted working memory paradigms that require sound information to be perceived, temporarily stored, reorganized, ...
Experimental Brain Research 221(1)
... cortex near the junction of the dorsal parieto-occipital sulcus, POS) (Fattori et al. 2001, 2009a; Galletti et al. 2003) and a putative ‘parietal reach region’ (PRR) that straddles the boundary between MIP and V6A (Batista et al. 1999; Buneo et al. 2002; Chang et al. 2008; Andersen and Cui 2009). PR ...
... cortex near the junction of the dorsal parieto-occipital sulcus, POS) (Fattori et al. 2001, 2009a; Galletti et al. 2003) and a putative ‘parietal reach region’ (PRR) that straddles the boundary between MIP and V6A (Batista et al. 1999; Buneo et al. 2002; Chang et al. 2008; Andersen and Cui 2009). PR ...
Activity of Neurons in Anterior Inferior Temporal Cortex during a
... tasks that require the monkey to retain memories across a “blank” retention interval, during which no visual stimuli are presented. Outside the laboratory, however, memories frequently must be retained while new information is being processed. It is not understood how IT neurons can participate in m ...
... tasks that require the monkey to retain memories across a “blank” retention interval, during which no visual stimuli are presented. Outside the laboratory, however, memories frequently must be retained while new information is being processed. It is not understood how IT neurons can participate in m ...
Anatomic Studies on the Superior Colliculus
... tree shrew,2S) 29 and monkey.30 In the monkey, the central seven degrees of the retina does not project to the superior colliculus.30 After removal of one eye, no obvious degeneration can be found in the anterior part of the colliculus either by light14-30 or electron microscopy,14 nor can significa ...
... tree shrew,2S) 29 and monkey.30 In the monkey, the central seven degrees of the retina does not project to the superior colliculus.30 After removal of one eye, no obvious degeneration can be found in the anterior part of the colliculus either by light14-30 or electron microscopy,14 nor can significa ...
Strategy-dependent Dissociation of the Neural
... other strategies listed seemed to overlap. For example, reinterpretation, similar to reappraisal, may have been used during either the stimulus severity or imagery strategies. Finally, attention and reappraisal form the basis for our future investigations into neural correlates of pain modulation us ...
... other strategies listed seemed to overlap. For example, reinterpretation, similar to reappraisal, may have been used during either the stimulus severity or imagery strategies. Finally, attention and reappraisal form the basis for our future investigations into neural correlates of pain modulation us ...
Multisensory Integration in the Ventral Intraparietal Area of the
... single-unit activity in two alert monkeys during the presentation of visual (drifting gratings) and tactile (low-pressure air puffs) stimuli. One stimulus was always positioned inside the receptive field of the neuron. The other stimulus was defined so as to manipulate the spatial and temporal dispa ...
... single-unit activity in two alert monkeys during the presentation of visual (drifting gratings) and tactile (low-pressure air puffs) stimuli. One stimulus was always positioned inside the receptive field of the neuron. The other stimulus was defined so as to manipulate the spatial and temporal dispa ...
The major symptom dimensions of obsessive
... Cannistraro et al., 2007; Yoo et al., 2007), are consistent with the current model. In summary, VBM studies in OCD have shown frontal-striatal and limbic GM alterations, although the implicated regions and the direction of the differences between patients and healthy controls have been inconsistent ...
... Cannistraro et al., 2007; Yoo et al., 2007), are consistent with the current model. In summary, VBM studies in OCD have shown frontal-striatal and limbic GM alterations, although the implicated regions and the direction of the differences between patients and healthy controls have been inconsistent ...
Normalization as a canonical neural computation
... in the primary visual cortex 17–19. Similar computations20 had been proposed previously to explain light adaptation in the retina21–24, size invariance in the fly visual system25 and associative memory in the hippocampus26. Evidence that has accumulated since then suggests that normalization plays a ...
... in the primary visual cortex 17–19. Similar computations20 had been proposed previously to explain light adaptation in the retina21–24, size invariance in the fly visual system25 and associative memory in the hippocampus26. Evidence that has accumulated since then suggests that normalization plays a ...
Methods - Laboratory for Advanced Brain Signal Processing
... However, high classification accuracy was obtained for patients who already developed serious cognitive impairment (e.g., Mini Mental State Examination (MMSE) score was 11.5±7.9 in the study of Besthorn et al. (1997)). Finding a method for identification of patients who have no clinical signs of AD ...
... However, high classification accuracy was obtained for patients who already developed serious cognitive impairment (e.g., Mini Mental State Examination (MMSE) score was 11.5±7.9 in the study of Besthorn et al. (1997)). Finding a method for identification of patients who have no clinical signs of AD ...
A thalamic reticular networking model of consciousness
... of background activity. Presumably, in the absence of sensory transmission, the intra-TRN inhibitory network controls the number of spikes fired by TRN cells, consequently regulating the degree of inhibition exerted by the TRN cells onto thalamocortical networks [55]. Therefore, switching between tw ...
... of background activity. Presumably, in the absence of sensory transmission, the intra-TRN inhibitory network controls the number of spikes fired by TRN cells, consequently regulating the degree of inhibition exerted by the TRN cells onto thalamocortical networks [55]. Therefore, switching between tw ...
development and plasticity of cortical areas and networks
... commences on embryonic day (E) 22. Progressively more superficial layers are generated over the following five weeks, with genesis of layers II/III not completed until postnatal day (P) 14; the exception to this is layer I, which is generated both early and late (not shown)163. A similar progression ...
... commences on embryonic day (E) 22. Progressively more superficial layers are generated over the following five weeks, with genesis of layers II/III not completed until postnatal day (P) 14; the exception to this is layer I, which is generated both early and late (not shown)163. A similar progression ...
development and plasticity of cortical areas and networks
... commences on embryonic day (E) 22. Progressively more superficial layers are generated over the following five weeks, with genesis of layers II/III not completed until postnatal day (P) 14; the exception to this is layer I, which is generated both early and late (not shown)163. A similar progression ...
... commences on embryonic day (E) 22. Progressively more superficial layers are generated over the following five weeks, with genesis of layers II/III not completed until postnatal day (P) 14; the exception to this is layer I, which is generated both early and late (not shown)163. A similar progression ...
Saccade Target Selection in the Superior - Smith
... Saccadic eye movements rapidly shift the fovea from one area of interest to another in the visual scene. The superior ...
... Saccadic eye movements rapidly shift the fovea from one area of interest to another in the visual scene. The superior ...