By ON THE ROLE OF THE SUPERIOR COLLICULUS IN THE CONTROL... VISUALLY-GUIDED SACCADES
... a dynamically changing world is fundamental for our survival. In order to respond to such changes in the environment, sensory information must first be received and processed by the nervous system before an appropriate motor response can be planned and executed. However, relatively little is known a ...
... a dynamically changing world is fundamental for our survival. In order to respond to such changes in the environment, sensory information must first be received and processed by the nervous system before an appropriate motor response can be planned and executed. However, relatively little is known a ...
battisti_nnconvulsions_en - ORBi
... Myoclonic seizures carry the worst prognosis in terms of neuro-developmental outcome and seizure recurrence. Focal clonic seizures have the best prognosis. Seizures due to Subarachnoid Hemorrhage and late onset hypocalcemia carry a good prognosis for long term neurodevelopmental outcome while se ...
... Myoclonic seizures carry the worst prognosis in terms of neuro-developmental outcome and seizure recurrence. Focal clonic seizures have the best prognosis. Seizures due to Subarachnoid Hemorrhage and late onset hypocalcemia carry a good prognosis for long term neurodevelopmental outcome while se ...
Neocortical Very Fast Oscillations (Ripples, 80–200 Hz) During
... oscillations or ripples (80 –200 Hz) during electrographic seizures in cats under ketamine-xylazine anesthesia. The animals displayed spontaneously occurring and electrically induced seizures comprising spike-wave complexes (2–3 Hz) and fast runs (10 –20 Hz). Neocortical ripples had much higher ampl ...
... oscillations or ripples (80 –200 Hz) during electrographic seizures in cats under ketamine-xylazine anesthesia. The animals displayed spontaneously occurring and electrically induced seizures comprising spike-wave complexes (2–3 Hz) and fast runs (10 –20 Hz). Neocortical ripples had much higher ampl ...
State transitions between wake and sleep, and within the
... whom go along with Dement and Kleitman7 and Rechtschaffen and Kales8 who define sleep onset in stage 1 based on criteria of alpha reduction. The most frequently used definition, however, situates it at the first appearance of sleep spindles or K-complexes (stage 2),6,9,10,24–26 probably because this ...
... whom go along with Dement and Kleitman7 and Rechtschaffen and Kales8 who define sleep onset in stage 1 based on criteria of alpha reduction. The most frequently used definition, however, situates it at the first appearance of sleep spindles or K-complexes (stage 2),6,9,10,24–26 probably because this ...
Graziano's CV
... Graziano MSA and Kastner S (2011) Human consciousness and its relationship to social neuroscience: A novel hypothesis. Cognitive Neuroscience, 2: 98-113. Graziano MSA and Kastner S (2011) Awareness as a perceptual model of attention. Cognitive Neuroscience, 2: 125-133. Graziano MSA (2011) New Insigh ...
... Graziano MSA and Kastner S (2011) Human consciousness and its relationship to social neuroscience: A novel hypothesis. Cognitive Neuroscience, 2: 98-113. Graziano MSA and Kastner S (2011) Awareness as a perceptual model of attention. Cognitive Neuroscience, 2: 125-133. Graziano MSA (2011) New Insigh ...
Analysis of sleep spindles and model of their generation
... 2.6 Topographic distribution of relation between sleep spindles amplitude and frequency. Each dot corresponds to one spindle. Positions of plots correspond to arrangement of electrodes in 10/20 system. . . . . . . . . . . . . . . . . . . . . . . . . . 2.7 Topographical distribution of sleep spindle ...
... 2.6 Topographic distribution of relation between sleep spindles amplitude and frequency. Each dot corresponds to one spindle. Positions of plots correspond to arrangement of electrodes in 10/20 system. . . . . . . . . . . . . . . . . . . . . . . . . . 2.7 Topographical distribution of sleep spindle ...
Dorsal Anterior Cingulate Cortex: A Bottom-Up View
... Vogt et al. 1987, 1995). Although the distinction between the dACC and the PCC is quite clear cytoarchitectonically (the latter is granular), no sulcal marker in humans or monkeys indicates their border. To solve this problem, Vogt (2009) provided neuroimaging templates to estimate the extent of dif ...
... Vogt et al. 1987, 1995). Although the distinction between the dACC and the PCC is quite clear cytoarchitectonically (the latter is granular), no sulcal marker in humans or monkeys indicates their border. To solve this problem, Vogt (2009) provided neuroimaging templates to estimate the extent of dif ...
Recasting the Smooth Pursuit Eye Movement System
... irrelevant distractor stimulus, the initial activity of MT and MST neurons exhibits very little selectivity for the target (Ferrera and Lisberger 1997b; Recanzone and Wurtz 2000). The pursuit eye velocity evoked after comparable short delays mainly follows the average of the two motion signals. The ...
... irrelevant distractor stimulus, the initial activity of MT and MST neurons exhibits very little selectivity for the target (Ferrera and Lisberger 1997b; Recanzone and Wurtz 2000). The pursuit eye velocity evoked after comparable short delays mainly follows the average of the two motion signals. The ...
The Role of Mirror Neurons in Movement
... performing a similar action. Some premotor (F5) mirror neurons have also been shown to be corticospinal neurons, meaning that spinal targets are also influenced during action observation. Simultaneous electromyography (EMG) recordings from hand and arm muscles provide important evidence that the act ...
... performing a similar action. Some premotor (F5) mirror neurons have also been shown to be corticospinal neurons, meaning that spinal targets are also influenced during action observation. Simultaneous electromyography (EMG) recordings from hand and arm muscles provide important evidence that the act ...
Kazumi TAKAHASHI†*, Jian-Sheng LIN† and Kazuya - HAL
... which meet those of the EEC Guidelines (86/609/EEC) and the Policy on Ethics approved by the Society for Neuroscience (1993). All efforts were made to minimize the number of animals used and their suffering. Twenty-three male adult C57BL/6 mice (Harlan, France; 26-35 g at the time of surgery) were u ...
... which meet those of the EEC Guidelines (86/609/EEC) and the Policy on Ethics approved by the Society for Neuroscience (1993). All efforts were made to minimize the number of animals used and their suffering. Twenty-three male adult C57BL/6 mice (Harlan, France; 26-35 g at the time of surgery) were u ...
Electrophysiological markers of Rapid Eye Movements in
... spatial and temporal limitations of non-invasive electrophysiological or imaging studies, it is hard to be conclusive. In addition, other imaging or neurosurgical studies challenged the idea that only brainstem was involved in REMs generation (Doricchi, Iaria et al. 2007; Hong, Harris et al. 2009). ...
... spatial and temporal limitations of non-invasive electrophysiological or imaging studies, it is hard to be conclusive. In addition, other imaging or neurosurgical studies challenged the idea that only brainstem was involved in REMs generation (Doricchi, Iaria et al. 2007; Hong, Harris et al. 2009). ...
Rapid eye movement sleep promotes cortical
... as required in our design. REM sleep was significantly reduced in the RSD group relative to the two control groups (undisturbed sleep and NF). Indirect effects of RSD on NREM sleep were reproduced in the NF group. NREM sleep continuity, measured by the length of NREM sleep bouts, was decreased by bo ...
... as required in our design. REM sleep was significantly reduced in the RSD group relative to the two control groups (undisturbed sleep and NF). Indirect effects of RSD on NREM sleep were reproduced in the NF group. NREM sleep continuity, measured by the length of NREM sleep bouts, was decreased by bo ...
View/Open - DukeSpace
... saccades – and the early findings on multiple coordinate systems in the SEF inspired a new generation of experiments that have been very informative. This nascent research posits a higher level function for the SEF. The premise is that the SEF is well poised for controlling saccadic behavior due to ...
... saccades – and the early findings on multiple coordinate systems in the SEF inspired a new generation of experiments that have been very informative. This nascent research posits a higher level function for the SEF. The premise is that the SEF is well poised for controlling saccadic behavior due to ...
Man to Machine, Applications in Electromyography
... cells in that motor unit) and comprises the basis of muscle movement. The depolarization that travels along the muscle fiber and can be detected on the surface of the muscle as a small electrical potential called the muscle action potential (MAP). Each muscle is comprised of many muscle motor units, ...
... cells in that motor unit) and comprises the basis of muscle movement. The depolarization that travels along the muscle fiber and can be detected on the surface of the muscle as a small electrical potential called the muscle action potential (MAP). Each muscle is comprised of many muscle motor units, ...
Topographic Organization of Corticospinal Projections from the
... that the precentral motor field contained a complete map of the body. A large part of the body map was located in cytoarchitectonic area 4. However, the representation of axial body musculature was located in the caudal part of area 6. In fact, it was principally the presence of axial representation ...
... that the precentral motor field contained a complete map of the body. A large part of the body map was located in cytoarchitectonic area 4. However, the representation of axial body musculature was located in the caudal part of area 6. In fact, it was principally the presence of axial representation ...
Extracellular voltage threshold settings can be tuned for optimal
... Rey et al 2015). Fortunately, it appears that accurate spike sorting may not be necessary for good BCI performance (Ventura 2008, Fraser et al 2009, Chestek et al 2011, Malik et al 2014). Rather, a threshold can be set, and all voltage transients that exceed that threshold (that is, ʻthreshold cross ...
... Rey et al 2015). Fortunately, it appears that accurate spike sorting may not be necessary for good BCI performance (Ventura 2008, Fraser et al 2009, Chestek et al 2011, Malik et al 2014). Rather, a threshold can be set, and all voltage transients that exceed that threshold (that is, ʻthreshold cross ...
The Study of Brain Activity in Sleep
... Changes in neuromodulators during NREM sleep (in particular reduced levels of arousal-related neurotransmitters) lead cortical and thalamic neurons to enter in a “bistable” state. In this condition, a spontaneous or induced opening of leakage K+ channels triggers a series of membrane currents that p ...
... Changes in neuromodulators during NREM sleep (in particular reduced levels of arousal-related neurotransmitters) lead cortical and thalamic neurons to enter in a “bistable” state. In this condition, a spontaneous or induced opening of leakage K+ channels triggers a series of membrane currents that p ...
Vestibular System: The Many Facets of a
... sense the pull of gravity (a form of linear acceleration). The signals from the semicircular canals and the otolith organs are complementary; their combined activation is necessary to explore and comprehend the enormous range of physical motions experienced in everyday life. The vestibular system di ...
... sense the pull of gravity (a form of linear acceleration). The signals from the semicircular canals and the otolith organs are complementary; their combined activation is necessary to explore and comprehend the enormous range of physical motions experienced in everyday life. The vestibular system di ...
Functional Properties of Corticotectal Neurons in the Monkey`s
... had some form of activity that preceded visually guided saccadic eye movements, including a range of neuron activity from purely visual to purely movement related. It is clear there are signals in the frontal eye field that could drive saccadic eye movements and neural pathways by which these signal ...
... had some form of activity that preceded visually guided saccadic eye movements, including a range of neuron activity from purely visual to purely movement related. It is clear there are signals in the frontal eye field that could drive saccadic eye movements and neural pathways by which these signal ...
Planarian shows decision-making behavior in response to multiple
... As an animal survives under exposure to many kinds of stimuli, its nervous system detects sensory cues and converts this information into adaptive movement. For behaviors in response to a simple stimulus, sensory neurons sometimes communicate directly with motor neurons; however, when animals are ex ...
... As an animal survives under exposure to many kinds of stimuli, its nervous system detects sensory cues and converts this information into adaptive movement. For behaviors in response to a simple stimulus, sensory neurons sometimes communicate directly with motor neurons; however, when animals are ex ...
Signal processing methods in Sleep Research
... The role of sleep is to downscale synaptic strength to a baseline level that is energetically sustainable, makes efficient use of space, and is beneficial for learning and memory. Tononi, G., & Cirelli, C. (2014). Sleep and the price of plasticity: from synaptic and cellular homeostasis to memory co ...
... The role of sleep is to downscale synaptic strength to a baseline level that is energetically sustainable, makes efficient use of space, and is beneficial for learning and memory. Tononi, G., & Cirelli, C. (2014). Sleep and the price of plasticity: from synaptic and cellular homeostasis to memory co ...
Eye fields in the frontal lobes of primates
... Two eye fields have been identified in the frontal lobes of primates: one is situated dorsomedially within the frontal cortex and will be referred to as the eye field within the dorsomedial frontal cortex ŽDMFC.; the other resides dorsolaterally within the frontal cortex and is commonly referred to ...
... Two eye fields have been identified in the frontal lobes of primates: one is situated dorsomedially within the frontal cortex and will be referred to as the eye field within the dorsomedial frontal cortex ŽDMFC.; the other resides dorsolaterally within the frontal cortex and is commonly referred to ...
- Northumbria Research Link
... Humans can only survive for a few minutes in the absence of oxygen (O2) and the brain’s susceptibility to hypoxia depicts the key factor determining this critical dependency (1). Cerebral oxygenation is reduced at rest in hypoxia and neuronal damage can occur in the face of a prolonged mismatch betw ...
... Humans can only survive for a few minutes in the absence of oxygen (O2) and the brain’s susceptibility to hypoxia depicts the key factor determining this critical dependency (1). Cerebral oxygenation is reduced at rest in hypoxia and neuronal damage can occur in the face of a prolonged mismatch betw ...
Electrophysiological evidence that noradrenergic neurons of the rat
... the dorsal raphe nucleus (DRN) (Dahlström and Fuxe, 1964). By means of their widespread projections throughout the entire brain, these neurons are thought to play a crucial role in a variety of physiological and behavioral functions including sleep (Jacobs et al., 1990; Jouvet, 1972; Jacobs and Azmi ...
... the dorsal raphe nucleus (DRN) (Dahlström and Fuxe, 1964). By means of their widespread projections throughout the entire brain, these neurons are thought to play a crucial role in a variety of physiological and behavioral functions including sleep (Jacobs et al., 1990; Jouvet, 1972; Jacobs and Azmi ...
Lateral prefrontal cortex: architectonic and functional organization
... of some of the areas he identified in the monkey with those of the human brain raise several questions. For instance, in the mid-lateral prefrontal cortex of the monkey, Walker identified a large granular region as area 46, abutting posteriorly onto area 8 (see figure 1b). Yet, in all maps of the hu ...
... of some of the areas he identified in the monkey with those of the human brain raise several questions. For instance, in the mid-lateral prefrontal cortex of the monkey, Walker identified a large granular region as area 46, abutting posteriorly onto area 8 (see figure 1b). Yet, in all maps of the hu ...