Spindle-Like Thalamocortical Synchronization in a Rat Brain Slice
... recorded in the thalamus (n ⫽ 18 and 9 slices for VB and RTN, respectively) following electrical stimuli delivered in cortical layers V–VI (not illustrated). Spontaneous synchronous field potentials were not seen in thalamocortical slices bathed in normal ACSF (n ⫽ 29). We reasoned that this lack of ...
... recorded in the thalamus (n ⫽ 18 and 9 slices for VB and RTN, respectively) following electrical stimuli delivered in cortical layers V–VI (not illustrated). Spontaneous synchronous field potentials were not seen in thalamocortical slices bathed in normal ACSF (n ⫽ 29). We reasoned that this lack of ...
Integrative actions of the reticular formation The reticular activating
... desynchronization began after the evoked cortical responses from stimulation of a sensory system had ended and did not spread from the specific cortical region. Original Paper. The foregoing experimental results are easily explained by the original paper, and aid in confirmation of, the conception o ...
... desynchronization began after the evoked cortical responses from stimulation of a sensory system had ended and did not spread from the specific cortical region. Original Paper. The foregoing experimental results are easily explained by the original paper, and aid in confirmation of, the conception o ...
Multiple Representation in Primate SI
... 3b leave Area 1 unresponsive, consistent with anatomy studies that show that Area 1 receives the bulk of its input from Area 3b. These findings suggest that direct thalamic inputs to Area 1 play either a weak or a modulatory role in cutaneous information processing (Garraghty et al., 1990). In compa ...
... 3b leave Area 1 unresponsive, consistent with anatomy studies that show that Area 1 receives the bulk of its input from Area 3b. These findings suggest that direct thalamic inputs to Area 1 play either a weak or a modulatory role in cutaneous information processing (Garraghty et al., 1990). In compa ...
Neurofeedback Treatment of Epilepsy
... (e.g., GABA ergic). Drugs that increase glutamergic activity typically produce seizures, while drugs that enhance GABA-ergic activity typically are anti-epileptic. It is not clear that human epilepsy is produced in this way, however. Slices of brain taken from seizure foci in children undergoing su ...
... (e.g., GABA ergic). Drugs that increase glutamergic activity typically produce seizures, while drugs that enhance GABA-ergic activity typically are anti-epileptic. It is not clear that human epilepsy is produced in this way, however. Slices of brain taken from seizure foci in children undergoing su ...
Saliency, switching, attention and control
... in the AI, ACC, and inferior frontal gyrus, implicating the AI and associated circuits in the representation of malevolent intentions before dishonest or deceitful acts are actually committed (Baumgartner et al. 2009). The AI is also implicated in empathy, or the ‘‘capacity to understand emotions of ...
... in the AI, ACC, and inferior frontal gyrus, implicating the AI and associated circuits in the representation of malevolent intentions before dishonest or deceitful acts are actually committed (Baumgartner et al. 2009). The AI is also implicated in empathy, or the ‘‘capacity to understand emotions of ...
The computational and neural basis of voluntary motor control and
... and is generated entirely by the spinal cord. Activity after 100ms has traditionally been viewed as ‘voluntary’, because movement-related EMG can be generated at this time from visual or somatosensory stimuli [40]. The time from 50 to 100 ms is termed the long latency response and involves both spi ...
... and is generated entirely by the spinal cord. Activity after 100ms has traditionally been viewed as ‘voluntary’, because movement-related EMG can be generated at this time from visual or somatosensory stimuli [40]. The time from 50 to 100 ms is termed the long latency response and involves both spi ...
SHORT COMMUNICATION Localization of a vocal pattern generator
... olivary complex showing vocalization-correlated activity. These neurons showed an increase in neuronal activity exclusively just before and during vocalization; none of them was active during mastication, swallowing or quiet respiration. Furthermore, the neuronal activity of these neurons reflected ...
... olivary complex showing vocalization-correlated activity. These neurons showed an increase in neuronal activity exclusively just before and during vocalization; none of them was active during mastication, swallowing or quiet respiration. Furthermore, the neuronal activity of these neurons reflected ...
Hypocretinergic Neurons are Primarily involved in Activation
... Therefore, the hypocretinergic system is well positioned to initiate, maintain and facilitate motor activity by operating directly on motoneurons and/or by modifying the activity of supraspinal systems that are involved in motor functions. A recent study in rats suggested that the activity of the hy ...
... Therefore, the hypocretinergic system is well positioned to initiate, maintain and facilitate motor activity by operating directly on motoneurons and/or by modifying the activity of supraspinal systems that are involved in motor functions. A recent study in rats suggested that the activity of the hy ...
Effect of Gayatri Mantra Meditation on Meditation Naive Subjects: an
... Activation in the left inferior parietal lobule cannot be attributed to semantic processing, as the subjects except one were not aware of the meaning of the mantra. It may be due to temporal sequencing inherent to recitation of mantras. Activation in basal ganglia and culmen is hypothesised to be du ...
... Activation in the left inferior parietal lobule cannot be attributed to semantic processing, as the subjects except one were not aware of the meaning of the mantra. It may be due to temporal sequencing inherent to recitation of mantras. Activation in basal ganglia and culmen is hypothesised to be du ...
Basics of electromagnetic field mapping
... difference map is larger then what you would expect under random conditions, you have a straight-forward argument that the difference of brain activity is real. This is the proper rationale for scalp-based statistical testing. ...
... difference map is larger then what you would expect under random conditions, you have a straight-forward argument that the difference of brain activity is real. This is the proper rationale for scalp-based statistical testing. ...
Parallel Evolution of Cortical Areas Involved in Skilled Hand Use
... Dense electrophysiological recordings indicate that cebus monkeys have a clearly defined area 2. This is surprising because this field does not appear to be present in any other New World monkey in which this region has been electrophysiologically explored [owl monkey (Merzenich et al., 1978), squir ...
... Dense electrophysiological recordings indicate that cebus monkeys have a clearly defined area 2. This is surprising because this field does not appear to be present in any other New World monkey in which this region has been electrophysiologically explored [owl monkey (Merzenich et al., 1978), squir ...
WHEN THE visual cortex in the occipital lobe is electrically
... the subject's visual field. All stimulation locations were within 2cm of the posterior pole of the occipital cortex. During stimulation trials, the subjects fixed their gaze on a point in the centre of a white screen and reported the details of the phosphenes including the position and size by refer ...
... the subject's visual field. All stimulation locations were within 2cm of the posterior pole of the occipital cortex. During stimulation trials, the subjects fixed their gaze on a point in the centre of a white screen and reported the details of the phosphenes including the position and size by refer ...
Functional Neuroanatomy for Posture and Gait Control
... Figure 3. Functional organization of medullary reticulospinal systems in decerebrate cats. A: Locations of the medullary reticulospinal neurons relating to muscle tone suppression (a), muscle tone augmentation (hypertonus) (b), and locomotion (c). During reflex standing of the decerebrate cats, reti ...
... Figure 3. Functional organization of medullary reticulospinal systems in decerebrate cats. A: Locations of the medullary reticulospinal neurons relating to muscle tone suppression (a), muscle tone augmentation (hypertonus) (b), and locomotion (c). During reflex standing of the decerebrate cats, reti ...
Discussion and future directions
... It is noteworthy that the preferred directions of each neuron, when represented on a circle, occupy an arc of maximum 60◦ . Similar results have been described experimentally by Battaglia-Mayer and colleagues (2000) on a study of early coding of reaching in parietooccipital cortex. The authors have ...
... It is noteworthy that the preferred directions of each neuron, when represented on a circle, occupy an arc of maximum 60◦ . Similar results have been described experimentally by Battaglia-Mayer and colleagues (2000) on a study of early coding of reaching in parietooccipital cortex. The authors have ...
Phase IIB / PHGY 825 Organization of the Brain Stem Organization
... The coordination of orofacial motor responses involves the lateral medullary and pontine reticular formation: • Chewing is coordinated by neurons near the trigeminal motor nucleus. • Lip movements are coordinated by neurons near the facial motor nucleus. • Movements of the tongue are coordinated by ...
... The coordination of orofacial motor responses involves the lateral medullary and pontine reticular formation: • Chewing is coordinated by neurons near the trigeminal motor nucleus. • Lip movements are coordinated by neurons near the facial motor nucleus. • Movements of the tongue are coordinated by ...
Thinking About Thinking
... (I would include brain-generated thought that acts like “stimuli”). Rather than brain being a passive receptacle for receipt of information in the world, brain dynamics support purposive action in which the brain directs its sense organs as needed to detect, abstract, interpret, and learn from senso ...
... (I would include brain-generated thought that acts like “stimuli”). Rather than brain being a passive receptacle for receipt of information in the world, brain dynamics support purposive action in which the brain directs its sense organs as needed to detect, abstract, interpret, and learn from senso ...
- Brain Computer Interface - K
... separated between left and right hand movement • System worked on online & offline data set • Online data pass through different stages: Filtration Amplification Interfacing with computer using soundcard Analysis and classify ...
... separated between left and right hand movement • System worked on online & offline data set • Online data pass through different stages: Filtration Amplification Interfacing with computer using soundcard Analysis and classify ...
2 Brain and Classical Neural Networks
... A nerve fibre is a cylindrical tube containing a mixed solution of NaCl and KCl, mainly the second, so there are Na+ , K+ , and Cl− ions within the tube. Outside the tube the same type of ions are present but with more Na+ than K+ . In the resting state there is an excess of Cl− over Na+ and K+ insid ...
... A nerve fibre is a cylindrical tube containing a mixed solution of NaCl and KCl, mainly the second, so there are Na+ , K+ , and Cl− ions within the tube. Outside the tube the same type of ions are present but with more Na+ than K+ . In the resting state there is an excess of Cl− over Na+ and K+ insid ...
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 ...
Intention, Action Planning, and Decision Making in Parietal
... Frontal and parietal areas are strongly interconnected and function together for many aspects of action planning. Historically, a role of frontal lobe in action has been clear (Fritsch and Hitzig, 1870; Ferrier, 1876). The primary motor cortex (M1) is a source of motor commands (Penfield and Boldrey ...
... Frontal and parietal areas are strongly interconnected and function together for many aspects of action planning. Historically, a role of frontal lobe in action has been clear (Fritsch and Hitzig, 1870; Ferrier, 1876). The primary motor cortex (M1) is a source of motor commands (Penfield and Boldrey ...
Neural ensemble coding and statistical periodicity: Speculations on
... in a fast moving hockey game, watching children at play. What do these tasks have in common? They all require that the nervous system rapidly acquire, encode, transmit, decode, and act on the ever-evolving information presented to it. Indeed neuro-physiological and neuro-psychological evidence indic ...
... in a fast moving hockey game, watching children at play. What do these tasks have in common? They all require that the nervous system rapidly acquire, encode, transmit, decode, and act on the ever-evolving information presented to it. Indeed neuro-physiological and neuro-psychological evidence indic ...
Learning, Reward and Decision-Making
... control typically moves an organism toward goal satisfaction more reliably than other systems, but its flexibility is cognitively demanding and deployment is relatively slow. This strategy may offer significant advantages to a predator stalking its prey, but could prove ruinous for the prey when a s ...
... control typically moves an organism toward goal satisfaction more reliably than other systems, but its flexibility is cognitively demanding and deployment is relatively slow. This strategy may offer significant advantages to a predator stalking its prey, but could prove ruinous for the prey when a s ...
Modelling Cerebellar Function in Saccadic Adaptation
... • Different regions have different inputs and outputs, (microzones) but same basic organisation • Gives rise to idea of cerebellar chip: ~5000, each with its own particular connections. ...
... • Different regions have different inputs and outputs, (microzones) but same basic organisation • Gives rise to idea of cerebellar chip: ~5000, each with its own particular connections. ...
A simultaneous ERP/fMRI investigation of the P300 aging effect
... through to senescence (Fjell and Walhovd, 2004; Polich, 1997). In addition, the aging process is reliably associated with a marked anterior shift in the topography of both components that is apparent across a range of different tasks (Fabiani et al., 1998; Friedman, 2003; Richardson et al., 2011; We ...
... through to senescence (Fjell and Walhovd, 2004; Polich, 1997). In addition, the aging process is reliably associated with a marked anterior shift in the topography of both components that is apparent across a range of different tasks (Fabiani et al., 1998; Friedman, 2003; Richardson et al., 2011; We ...
What does the eye tell the brain? Development of a system for the large-scale recording of retinal output activity
... Index Terms—Analog integrated circuits, biomedical electrodes, image processing, neural networks, visual system. ...
... Index Terms—Analog integrated circuits, biomedical electrodes, image processing, neural networks, visual system. ...