A phase I trial of deep brain stimulation of memory
... and structural pathology but whose function is nevertheless disrupted by virtue of being linked in the network. This suggests that AD may not only be a degenerative disease but can also be considered as a system-level disorder, affecting several integrated pathways linking select cortical and subcor ...
... and structural pathology but whose function is nevertheless disrupted by virtue of being linked in the network. This suggests that AD may not only be a degenerative disease but can also be considered as a system-level disorder, affecting several integrated pathways linking select cortical and subcor ...
Klasyfikacja ICD-10 (International Classification of Diseases)
... particularly when looking upwardly are also observed. Vergentive movements are impaired, convergence or divergence paralyses, resulting in spastic, convergent setting of the eyeballs. Ophtalmoplegia disorders, including the failure of convergence are one of the criteria for diagnosing progressive su ...
... particularly when looking upwardly are also observed. Vergentive movements are impaired, convergence or divergence paralyses, resulting in spastic, convergent setting of the eyeballs. Ophtalmoplegia disorders, including the failure of convergence are one of the criteria for diagnosing progressive su ...
Functional Organization of the Neural Language System: Dorsal and
... and syntactic analyses of spoken sentences. Both patients and healthy age-matched controls participated in this study, providing both activation and behavioral data associated with ...
... and syntactic analyses of spoken sentences. Both patients and healthy age-matched controls participated in this study, providing both activation and behavioral data associated with ...
Neural processes underlying conscious perception
... peripheral stimuli could be either faces or places. This protocol yielded a CB, i.e. changes were detected only on some trials. Within the ventral visual pathway, contrasting detected versus undetected changes revealed different activation patterns according to the nature of the changing stimulus. Co ...
... peripheral stimuli could be either faces or places. This protocol yielded a CB, i.e. changes were detected only on some trials. Within the ventral visual pathway, contrasting detected versus undetected changes revealed different activation patterns according to the nature of the changing stimulus. Co ...
Cortical sensorimotor alterations classify clinical phenotype and
... interplay between disorder etiology and pathophysiology remains very limited. Specifically, it is unknown whether any of these reported brain abnormalities may be considered as a neuroimaging marker(s) for SD prediction and diagnostic differentiation. This is partly due to the fact that the majority o ...
... interplay between disorder etiology and pathophysiology remains very limited. Specifically, it is unknown whether any of these reported brain abnormalities may be considered as a neuroimaging marker(s) for SD prediction and diagnostic differentiation. This is partly due to the fact that the majority o ...
Neural networks engaged in milliseconds and seconds time
... of controls (Artieda et al. 1992; O’Boyle et al. 1996; Harrington et al. 1998a,b). Therefore, abnormal findings in temporal processing of brief intervals observed in PD patients (Artieda et al. 1992; Rammsayer & Classen 1997; Harrington et al. 1998a,b) have been interpreted along with the hypothesis ...
... of controls (Artieda et al. 1992; O’Boyle et al. 1996; Harrington et al. 1998a,b). Therefore, abnormal findings in temporal processing of brief intervals observed in PD patients (Artieda et al. 1992; Rammsayer & Classen 1997; Harrington et al. 1998a,b) have been interpreted along with the hypothesis ...
Visual signals in the dorsolateral pontine nucleus of the alert
... transient, test spot elicited response was also related to the velocity of retinal image motion. Since the monkeys' heads were stationary and eye movements suppressed during fixation of a stationary fixation spot, the velocity of visual stimulus movement approximated retinal image or "slip" velocity ...
... transient, test spot elicited response was also related to the velocity of retinal image motion. Since the monkeys' heads were stationary and eye movements suppressed during fixation of a stationary fixation spot, the velocity of visual stimulus movement approximated retinal image or "slip" velocity ...
A Neurodynamical cortical model of visual attention and
... the attentional focus away from the presently attended location to other objects in the visual field. Haxby et al. (1994) found consistent evidence for a segregation of processing streams in humans. They showed in a positron emission tomography (PET) study that when humans performed a face-matching t ...
... the attentional focus away from the presently attended location to other objects in the visual field. Haxby et al. (1994) found consistent evidence for a segregation of processing streams in humans. They showed in a positron emission tomography (PET) study that when humans performed a face-matching t ...
Task-induced brain activity in aphasic stroke
... However, over the past decade there has been considerable research on domain-general brain systems that are engaged across a wide range of cognitive tasks. The existence of domain-general cortical regions is reasonably well established. One influential hypothesis is that a set of these regions, term ...
... However, over the past decade there has been considerable research on domain-general brain systems that are engaged across a wide range of cognitive tasks. The existence of domain-general cortical regions is reasonably well established. One influential hypothesis is that a set of these regions, term ...
Lightweight Authentication Protocol For Smart Dust
... That it can track an object through varying light sources or changes in size ...
... That it can track an object through varying light sources or changes in size ...
File - Dr. Jerry Cronin
... blindness or nyctalopia, an inability to see well at low light levels ...
... blindness or nyctalopia, an inability to see well at low light levels ...
Brain Basis of Samadhi - The New School Psychology Bulletin
... the fast condition being the more challenging. During the introspection condition, participants showed preferential activation of the left mPFC, superior frontal gyrus, anterior cingulate, and paracingulate. In the introspective and slow sensory categorization tasks, they showed activation in the po ...
... the fast condition being the more challenging. During the introspection condition, participants showed preferential activation of the left mPFC, superior frontal gyrus, anterior cingulate, and paracingulate. In the introspective and slow sensory categorization tasks, they showed activation in the po ...
From Nerve Cells to Cognition: The Internal
... perceptual and motor processes. From these microelectrode studies we have been able to see that the mechanisms of perception are much the same in humans, monkeys, and even simpler animals. These cellular studies in monkeys also made it possible to identify the importance of different combinations of ...
... perceptual and motor processes. From these microelectrode studies we have been able to see that the mechanisms of perception are much the same in humans, monkeys, and even simpler animals. These cellular studies in monkeys also made it possible to identify the importance of different combinations of ...
Not all vosial categorization tasks require attention
... “binary” afferents spanning a broad range of selectivity and invariance). Our monkey recordings showed that, for the neurons selected under the conditions described above, a large fraction of each neuron’s responses to multiple objects could be reliably predicted as the average of its responses to t ...
... “binary” afferents spanning a broad range of selectivity and invariance). Our monkey recordings showed that, for the neurons selected under the conditions described above, a large fraction of each neuron’s responses to multiple objects could be reliably predicted as the average of its responses to t ...
MirrorBot Report 6
... Figure 1.7: Orientation selective and luminosity independent filtering. Luminosity independence is provided by computation in LGN module. On-centre /Off-surround units (in red) and Off-centre /On-surround units (in blue) in LGN module computes edge detection. These two kind of units feeds (excitato ...
... Figure 1.7: Orientation selective and luminosity independent filtering. Luminosity independence is provided by computation in LGN module. On-centre /Off-surround units (in red) and Off-centre /On-surround units (in blue) in LGN module computes edge detection. These two kind of units feeds (excitato ...
Visual field defect
... Papillitis >> inflammation of the anterior optic nerve causes disc swelling, and sometimes hemorrhages, cells in the vitreous, and deep retinal exudates. After the neuritis resolves, the disc is often pale (optic pallor), most commonly in the temporal aspect. Atrophy is seen over time, especially af ...
... Papillitis >> inflammation of the anterior optic nerve causes disc swelling, and sometimes hemorrhages, cells in the vitreous, and deep retinal exudates. After the neuritis resolves, the disc is often pale (optic pallor), most commonly in the temporal aspect. Atrophy is seen over time, especially af ...
Been There, Seen That: A Neural Mechanism for Performing
... intraparietal area (LIP) of posterior parietal cortex acts as such a map in which features or locations are represented by levels of activity related to the attentional priority at that location (Ipata et al. 2009) and which is used to guide both covert (Bisley and Goldberg 2003; 2006) and overt (Gn ...
... intraparietal area (LIP) of posterior parietal cortex acts as such a map in which features or locations are represented by levels of activity related to the attentional priority at that location (Ipata et al. 2009) and which is used to guide both covert (Bisley and Goldberg 2003; 2006) and overt (Gn ...
GLOSSARY of Occupational Therapy Terminology
... the brain and spinal cord. Sensory Integration: The ability to receive, process and act upon sensory input for "use". This "use" may be a perception, an adaptive response or a learning process. Through sensory integration many different parts of the nervous system work together so that a person can ...
... the brain and spinal cord. Sensory Integration: The ability to receive, process and act upon sensory input for "use". This "use" may be a perception, an adaptive response or a learning process. Through sensory integration many different parts of the nervous system work together so that a person can ...
Local Field Potential in the Visual System
... VEPs invariably accompany spiking activity in response to visually presented stimuli, not only in V1 but also for other brain regions that are part of the visual system, including the extrastriate visual cortex, the inferior temporal and parietal cortices, as well as certain areas of the prefrontal ...
... VEPs invariably accompany spiking activity in response to visually presented stimuli, not only in V1 but also for other brain regions that are part of the visual system, including the extrastriate visual cortex, the inferior temporal and parietal cortices, as well as certain areas of the prefrontal ...
Summary Antipsychotic medications are overused in Australia as a
... (hallucinations or delusions), and creating a sedative effect. They are also associated with common and serious side-effects; metabolic, movement and mood ...
... (hallucinations or delusions), and creating a sedative effect. They are also associated with common and serious side-effects; metabolic, movement and mood ...
Implications on visual apperception: energy, duration
... neurons. However, the highest density of neurons in neocortex (number of neurons per degree of visual angle) devoted to representing the visual field is found in retinotopic V1. It means that the highest mitochondrial (energetic) activity can be achieved in mitochondrial cytochrome oxidase-rich V1 a ...
... neurons. However, the highest density of neurons in neocortex (number of neurons per degree of visual angle) devoted to representing the visual field is found in retinotopic V1. It means that the highest mitochondrial (energetic) activity can be achieved in mitochondrial cytochrome oxidase-rich V1 a ...
A non-invasive method to relate the timing of neural activity to white
... separately and also averaged them to derive latency measures. The maximum dSPM activation within 70–130 ms following the end of the saccade (re-fixation on the saccadic goal) was identified within the occipital cortex of each hemisphere. The latency of the neuromagnetic visual response for each partic ...
... separately and also averaged them to derive latency measures. The maximum dSPM activation within 70–130 ms following the end of the saccade (re-fixation on the saccadic goal) was identified within the occipital cortex of each hemisphere. The latency of the neuromagnetic visual response for each partic ...
Lecture 7 Rhythms of the Brain
... • Lack of sleep does not seem to interfere with human capacity for physical exercise. – Quadriplegics and forced bed rest subjects do not show decreased or altered sleep. – Exception: exercise that significantly raises the brain’s temperature (and metabolic rate) seem to cause increased need for slo ...
... • Lack of sleep does not seem to interfere with human capacity for physical exercise. – Quadriplegics and forced bed rest subjects do not show decreased or altered sleep. – Exception: exercise that significantly raises the brain’s temperature (and metabolic rate) seem to cause increased need for slo ...
Re-Examining the Mental Imagery Debate with Neuropsychological
... using a free-drawn circle rather than a pre-drawn circle. In some cases, patients do not need to draw a circle from their memory because they are asked to copy a clock by showing a clock drawing picture. There is a case to set different time such as 1:45 or 3:00 (Strauss 2006). There are numerous sc ...
... using a free-drawn circle rather than a pre-drawn circle. In some cases, patients do not need to draw a circle from their memory because they are asked to copy a clock by showing a clock drawing picture. There is a case to set different time such as 1:45 or 3:00 (Strauss 2006). There are numerous sc ...
Negative BOLD in Sensory Cortices During
... poorly understood. Recently, we showed that during visual mental imagery, auditory areas show a much more robust deactivation than during visual perception. Here we ask whether this is a special case of a more general phenomenon involving retrieval of intrinsic, internally stored information, which ...
... poorly understood. Recently, we showed that during visual mental imagery, auditory areas show a much more robust deactivation than during visual perception. Here we ask whether this is a special case of a more general phenomenon involving retrieval of intrinsic, internally stored information, which ...