The medial parietal occipital areas in the macaque
... of POs and the ventralmost part of the anterior wall of the sulcus are occupied by a retinotopically organized visual area, called V6, which represents the contralateral part of the visual field and emphasizes its periphery. The remaining part of the anterior wall of POs is occupied by two areas, V6 ...
... of POs and the ventralmost part of the anterior wall of the sulcus are occupied by a retinotopically organized visual area, called V6, which represents the contralateral part of the visual field and emphasizes its periphery. The remaining part of the anterior wall of POs is occupied by two areas, V6 ...
Presentation - Neuropathology
... familial Alzheimer's disease: presenilin-1, presenilin-2, and amyloid precursor protein▪The ϵ4 allele of apolipoprotein E gene confers an increased risk of Alzheimer's disease by decreasing the age at disease onset Immunohistochemical Features ▪Neuritic plaque, diffuse plaque, and amyloid angiopathy ...
... familial Alzheimer's disease: presenilin-1, presenilin-2, and amyloid precursor protein▪The ϵ4 allele of apolipoprotein E gene confers an increased risk of Alzheimer's disease by decreasing the age at disease onset Immunohistochemical Features ▪Neuritic plaque, diffuse plaque, and amyloid angiopathy ...
Basal Ganglia and Associated Pathways
... is a source of input into the basal ganglia (striatum) and serves as a modulatory pathway of the direct and indirect basal ganglia pathways. Inputs into the pars compacta itself remain unclear, but at least some are from the striatum (striosome). Clinically, this pathway is most important for its ro ...
... is a source of input into the basal ganglia (striatum) and serves as a modulatory pathway of the direct and indirect basal ganglia pathways. Inputs into the pars compacta itself remain unclear, but at least some are from the striatum (striosome). Clinically, this pathway is most important for its ro ...
Surface-view connectivity patterns of area 18 in cats
... to area 18 were associated with the rostral-most FR injection, caudal-most FB-labeled patches of cells reflected the caudal-most position of the FB injection, and other patches of labeled cells were aligned with their associated tracers. Thus, for connections of area 17, area 19, and the suprasylvia ...
... to area 18 were associated with the rostral-most FR injection, caudal-most FB-labeled patches of cells reflected the caudal-most position of the FB injection, and other patches of labeled cells were aligned with their associated tracers. Thus, for connections of area 17, area 19, and the suprasylvia ...
OCT and MS
... domain (SD-)OCT with the Spectralis 3.5 mm circle scan protocol with locked reference images and eye tracking mode. Patients with an attack of optic neuritis within 12 months prior to the onset of the study were excluded. Principal Findings: Although the disease was highly active over the observatio ...
... domain (SD-)OCT with the Spectralis 3.5 mm circle scan protocol with locked reference images and eye tracking mode. Patients with an attack of optic neuritis within 12 months prior to the onset of the study were excluded. Principal Findings: Although the disease was highly active over the observatio ...
Visual areas and spatial summation in human visual cortex
... shows the corresponding flat maps from this subject and a flat map from a third subject. The signals within the central representation of V3A/ B differ from those in the two other central representations. Specifically, the central representation in V1/2/3 and the central representation in V7 include ...
... shows the corresponding flat maps from this subject and a flat map from a third subject. The signals within the central representation of V3A/ B differ from those in the two other central representations. Specifically, the central representation in V1/2/3 and the central representation in V7 include ...
different sensory modalities
... weaker (fewer impulses, shorter discharge train duration, lower peak frequencies, lower response reliability) than one stimulus alone • Response depression is less common than enhancement; it depends on some specific properties as spatial inhibition, inhibitory surrounds, inhibitory inputs that are ...
... weaker (fewer impulses, shorter discharge train duration, lower peak frequencies, lower response reliability) than one stimulus alone • Response depression is less common than enhancement; it depends on some specific properties as spatial inhibition, inhibitory surrounds, inhibitory inputs that are ...
Mapping Retinotopic Structure in Mouse Visual Cortex with Optical
... functionally (Dräger, 1975; Wagor et al., 1980) distinct areas. Mouse primary visual cortex seems to lack any obvious parcellation into functional domains, such as ocular dominance or orientation columns, which are a prominent feature in the visual cortex of many higher mammals (Hubel and Wiesel, 1 ...
... functionally (Dräger, 1975; Wagor et al., 1980) distinct areas. Mouse primary visual cortex seems to lack any obvious parcellation into functional domains, such as ocular dominance or orientation columns, which are a prominent feature in the visual cortex of many higher mammals (Hubel and Wiesel, 1 ...
Stop Using Introspection to Gather Data for the Design of... Modeling and Spatial Assistance
... Psychological “facts”, Part 7: Individual differences in reasoning In Ruff, Knauff, Fangmeier, and Spreer (2003), we measured brain activity with fMRI, measured the participants’ spatial ability with a well-known subset of tasks from an intelligence inventory, and interviewed the participants on how ...
... Psychological “facts”, Part 7: Individual differences in reasoning In Ruff, Knauff, Fangmeier, and Spreer (2003), we measured brain activity with fMRI, measured the participants’ spatial ability with a well-known subset of tasks from an intelligence inventory, and interviewed the participants on how ...
UShape Representation in the Inferior Temporal Cortex of MonkeysU
... between the test view and the template increases. The activity of the entire network is conceived of as the weighted sum of each unit's output. A recognition system relying on such an architecture has a strongly viewdependent performance when presented with a novel object, but it achieves object con ...
... between the test view and the template increases. The activity of the entire network is conceived of as the weighted sum of each unit's output. A recognition system relying on such an architecture has a strongly viewdependent performance when presented with a novel object, but it achieves object con ...
When the Sun Prickles Your Nose: An EEG Study Identifying
... example, reading with unsuitable glasses affects not only the third nerve outflow but also gastric motility through vagal outflow, urination may be accompanied by moderate lacrimation, and emotional states can influence any or all levels of parasympathetic outflow [13]. A third theory focuses on the ...
... example, reading with unsuitable glasses affects not only the third nerve outflow but also gastric motility through vagal outflow, urination may be accompanied by moderate lacrimation, and emotional states can influence any or all levels of parasympathetic outflow [13]. A third theory focuses on the ...
CATEGORIES IN THE PIGEON BRAIN - Ruhr-Universität
... The subjects were three adult homing pigeons (Columba livia) obtained from local breeders that had previously participated in unrelated experiments. They were housed in individual wire-mesh cages with a 12 to 12 lightdark cycle beginning at 08.00 hr. They were food-deprived and maintained at 80-90% ...
... The subjects were three adult homing pigeons (Columba livia) obtained from local breeders that had previously participated in unrelated experiments. They were housed in individual wire-mesh cages with a 12 to 12 lightdark cycle beginning at 08.00 hr. They were food-deprived and maintained at 80-90% ...
Neuropathological Alterations in Alzheimer Disease
... parietal and occipital lobes, should lead to the suspicion of a concurrent severe cerebral amyloid angiopathy. Unless there is a concomitant Parkinson’s disease or dementia with Lewy bodies, the substantia nigra shows a normal coloration; in contrast, the locus coeruleus is affected in the early sta ...
... parietal and occipital lobes, should lead to the suspicion of a concurrent severe cerebral amyloid angiopathy. Unless there is a concomitant Parkinson’s disease or dementia with Lewy bodies, the substantia nigra shows a normal coloration; in contrast, the locus coeruleus is affected in the early sta ...
Retrieval induces adaptive forgetting of competing memories via
... considered to be adaptive because it reduces future interference. The effect of this proposed inhibition process on competing memories has, however, never been observed, as behavioral methods are ‘blind’ to retrieval dynamics and neuroimaging methods have not isolated retrieval of individual memorie ...
... considered to be adaptive because it reduces future interference. The effect of this proposed inhibition process on competing memories has, however, never been observed, as behavioral methods are ‘blind’ to retrieval dynamics and neuroimaging methods have not isolated retrieval of individual memorie ...
Viewpoint - Columbia University
... the attentional switching time, despite significant differences in the attentional switching time of the two monkeys. Following the interpretation in Bisley and Goldberg (2003), this suggests that the putative neural mechanism within LIP that enforces Equation 1 actually plays a functional role in d ...
... the attentional switching time, despite significant differences in the attentional switching time of the two monkeys. Following the interpretation in Bisley and Goldberg (2003), this suggests that the putative neural mechanism within LIP that enforces Equation 1 actually plays a functional role in d ...
Action Preparation Shapes Processing in Early Visual Cortex
... GLM analysis was used to extract activation patterns from the grasping/ pointing task, which were subjected to a surface-based searchlight MVPA analysis to find areas in the posterior brain that discriminate between grasping and pointing ( preparation). Subsequently, a region-of-interest (ROI) analy ...
... GLM analysis was used to extract activation patterns from the grasping/ pointing task, which were subjected to a surface-based searchlight MVPA analysis to find areas in the posterior brain that discriminate between grasping and pointing ( preparation). Subsequently, a region-of-interest (ROI) analy ...
Paying attention to consciousness - What is Neuro
... How to incorporate that is the ‘hard problem’ of consciousness (Chalmers, 1996) and also discussed perceptively more recently (Noe and Thompson, 2003). Thus, before we can hope to be able to tackle the hard problem, we must develop a suitably detailed and powerful neural model of attention. Only the ...
... How to incorporate that is the ‘hard problem’ of consciousness (Chalmers, 1996) and also discussed perceptively more recently (Noe and Thompson, 2003). Thus, before we can hope to be able to tackle the hard problem, we must develop a suitably detailed and powerful neural model of attention. Only the ...
Hyperfrontality and hypoconnectivity during refreshing in
... than controls in the refresh condition. Interestingly, and in contrast to older healthy adults, their ability to subsequently remember words could benefit from refreshing (Grillon et al., 2005). Thus, although patients were slower to refresh, requiring patients to refresh helped them to improve long- ...
... than controls in the refresh condition. Interestingly, and in contrast to older healthy adults, their ability to subsequently remember words could benefit from refreshing (Grillon et al., 2005). Thus, although patients were slower to refresh, requiring patients to refresh helped them to improve long- ...
Features of Neuronal Synchrony in Mouse Visual Cortex
... been hypothesized to play a role in defining cell assemblies representing particular constellations of stimulus features. In many systems and species, synchronization is accompanied by an oscillatory response modulation at frequencies in the ␥-band. The cellular mechanisms underlying these phenomena ...
... been hypothesized to play a role in defining cell assemblies representing particular constellations of stimulus features. In many systems and species, synchronization is accompanied by an oscillatory response modulation at frequencies in the ␥-band. The cellular mechanisms underlying these phenomena ...
Investigating neural correlates of conscious perception by frequency
... FIG. 1. (Upper Left) High-resolution power-frequency spectra for steady-state evoked potentials recorded over an anterior channel (128) and over a posterior channel (103) during rivalry trials (subject O.S.). Note the sharp peak at 7.41 Hz (f1), the flicker frequency of s1, as well as at 8.33 Hz (f2 ...
... FIG. 1. (Upper Left) High-resolution power-frequency spectra for steady-state evoked potentials recorded over an anterior channel (128) and over a posterior channel (103) during rivalry trials (subject O.S.). Note the sharp peak at 7.41 Hz (f1), the flicker frequency of s1, as well as at 8.33 Hz (f2 ...
E1 Lec 11 Disorders of Basal Ganglia
... If the D1 receptor is stimulated, the striatum will release GABA targeting the GPI and nigra reticulate, inhibiting its inhibitory action to the brainstem and thalamus. The thalamus will then send stimulatory signal to the cortex by releasing glutamate. So basically, stimulation of D1 receptor is st ...
... If the D1 receptor is stimulated, the striatum will release GABA targeting the GPI and nigra reticulate, inhibiting its inhibitory action to the brainstem and thalamus. The thalamus will then send stimulatory signal to the cortex by releasing glutamate. So basically, stimulation of D1 receptor is st ...
Chapter 29 - krigolson teaching
... feedback to the brain from the peripheral proprioceptors in the eye muscles that could inform the brain that the eye is moving. This is unlikely because both the receptive field shifts and the perceptual compression begin even before the eye moves, and the cortical representation of eye position lag ...
... feedback to the brain from the peripheral proprioceptors in the eye muscles that could inform the brain that the eye is moving. This is unlikely because both the receptive field shifts and the perceptual compression begin even before the eye moves, and the cortical representation of eye position lag ...
pdf file. - Harvard Vision Lab
... analysing sensory input. One way in which the brain keeps track of self-movement is by monitoring an internal copy, or corollary discharge, of motor commands1–13. This concept could explain why we perceive a stable visual world despite our frequent quick, or saccadic, eye movements: corollary discha ...
... analysing sensory input. One way in which the brain keeps track of self-movement is by monitoring an internal copy, or corollary discharge, of motor commands1–13. This concept could explain why we perceive a stable visual world despite our frequent quick, or saccadic, eye movements: corollary discha ...
Executive function and PTSD: Disengaging from trauma Robin L. Aupperle
... re-experiencing and hyperarousal symptoms. However, it is difficult to determine the directionality of this effect, given these studies rely primarily on cross-sectional designs. Heightened arousal and re-experiencing symptoms could create more distracters when an individual is attempting to concentr ...
... re-experiencing and hyperarousal symptoms. However, it is difficult to determine the directionality of this effect, given these studies rely primarily on cross-sectional designs. Heightened arousal and re-experiencing symptoms could create more distracters when an individual is attempting to concentr ...
Models of bodily expression perception
... Depending on whether the stimulus is consciously seen and recognized, some of these processes may be associated with a conscious emotional experience. These are some of the main components of the ability to perceive bodily expressions. Based on results obtained so far, we have viewed them as the cor ...
... Depending on whether the stimulus is consciously seen and recognized, some of these processes may be associated with a conscious emotional experience. These are some of the main components of the ability to perceive bodily expressions. Based on results obtained so far, we have viewed them as the cor ...