No Binocular Rivalry in the LGN of Alert Macaque Monkeys
... idea that the feedback is involved in selective, locationbased attention [the searchlight of attention, as Crick (1984) describes it]. Others have emphasized featurebased rather than location-based selection of information. Along these lines is the suggestion that corticofugal feedback provides top- ...
... idea that the feedback is involved in selective, locationbased attention [the searchlight of attention, as Crick (1984) describes it]. Others have emphasized featurebased rather than location-based selection of information. Along these lines is the suggestion that corticofugal feedback provides top- ...
On real-world temporal pattern recognition using Liquid State
... The world around us is extremely dynamic, everything changes continuously over time. Whether it’s growth, development or just plain physics, we’re surrounded with change. Nature equipped us very well to deal with it. We’re brilliant at detecting and coping with these changes, even as they do occur o ...
... The world around us is extremely dynamic, everything changes continuously over time. Whether it’s growth, development or just plain physics, we’re surrounded with change. Nature equipped us very well to deal with it. We’re brilliant at detecting and coping with these changes, even as they do occur o ...
THE NEUROBIOLOGY OF VISUAL-SACCADIC DECISION MAKING
... could be viewed as the product of two mechanistically distinct processes. The first class included only those behaviors that are fully deterministic with regard to events in the immediate sensory environment, behaviors that predictably link stereotyped sensory stimuli with simple motor responses. Th ...
... could be viewed as the product of two mechanistically distinct processes. The first class included only those behaviors that are fully deterministic with regard to events in the immediate sensory environment, behaviors that predictably link stereotyped sensory stimuli with simple motor responses. Th ...
The Big Picture File
... translates info about the internal and external environment into a form of information that is usable by the brain • Effectors: means by which the body responds to changing internal and external conditions ...
... translates info about the internal and external environment into a form of information that is usable by the brain • Effectors: means by which the body responds to changing internal and external conditions ...
Introduction to Psychology
... neuron says, “Ah ha! It’s time to send a message to my neighbors.” Axon Fiber that carries information away from the cell body of a neuron. When a neuron reaches its threshold, an action potential, or nerve Axon terminals Bulb-shaped structures at the ends of axons that form synapses with the dendri ...
... neuron says, “Ah ha! It’s time to send a message to my neighbors.” Axon Fiber that carries information away from the cell body of a neuron. When a neuron reaches its threshold, an action potential, or nerve Axon terminals Bulb-shaped structures at the ends of axons that form synapses with the dendri ...
CME Restoration of Elbow Flexion after Brachial Plexus Injury: The
... system and, therefore, recovery of the affected nerve may occur.5 A paralyzed diaphragm, as determined by inspiratory/expiratory chest x-rays or fluoroscopic studies, suggests a high plexus lesion.1 Upper extremity angiograms should be used in patients with a history of significant vascular injury, ...
... system and, therefore, recovery of the affected nerve may occur.5 A paralyzed diaphragm, as determined by inspiratory/expiratory chest x-rays or fluoroscopic studies, suggests a high plexus lesion.1 Upper extremity angiograms should be used in patients with a history of significant vascular injury, ...
View/Open
... that pass from the optic tracts mainly into the superior colliculi and other portions of the older visual system. Fields of Vision; Perimetry The field of vision is the visual area seen by an eye at a given instant. The area seen to the nasal side is called the nasal field of vision, and the area se ...
... that pass from the optic tracts mainly into the superior colliculi and other portions of the older visual system. Fields of Vision; Perimetry The field of vision is the visual area seen by an eye at a given instant. The area seen to the nasal side is called the nasal field of vision, and the area se ...
PDF
... MRI (fMRI) study to assess the effects of an NK1 receptor antagonist on human reward processing through a monetary incentive delay task that is known to elicit robust activation in the NAc especially during gain anticipation. Eighteen healthy adults participated in two series of an fMRI study, taking ...
... MRI (fMRI) study to assess the effects of an NK1 receptor antagonist on human reward processing through a monetary incentive delay task that is known to elicit robust activation in the NAc especially during gain anticipation. Eighteen healthy adults participated in two series of an fMRI study, taking ...
Neural Interaction in Cat Primary Auditory Cortex. Dependence on
... that the strength of a cross-correlation may function as a code for stimulus-induced changes, a code that may provide better discrimination than the firing rate of the individual units of the neuron pair. The monograph by Abeles ( 1982) in addition stressed the statistical nature of the cortex with ...
... that the strength of a cross-correlation may function as a code for stimulus-induced changes, a code that may provide better discrimination than the firing rate of the individual units of the neuron pair. The monograph by Abeles ( 1982) in addition stressed the statistical nature of the cortex with ...
Multifunctional Laryngeal Premotor Neurons: Their Activities during
... 1990; Ono et al., 2006). Most of the central pattern generators (CPGs) are not dedicated to producing a fixed motor pattern, but can assume different functional configurations and produce various motor patterns according to afferent inputs (Morton and Chiel, 1994; Dickinson, 1995; Marder and Calabre ...
... 1990; Ono et al., 2006). Most of the central pattern generators (CPGs) are not dedicated to producing a fixed motor pattern, but can assume different functional configurations and produce various motor patterns according to afferent inputs (Morton and Chiel, 1994; Dickinson, 1995; Marder and Calabre ...
Moving the Shh Source over Time: What Impact on Neural Cell
... in the pMN domain [23]. However, Shh concentration is not the only level of regulation as duration of exposure to Shh also influences the response to the morphogen, with ventral identities requiring longer time of Shh exposure to be established [24,25]. Therefore, progenitor domains form sequentiall ...
... in the pMN domain [23]. However, Shh concentration is not the only level of regulation as duration of exposure to Shh also influences the response to the morphogen, with ventral identities requiring longer time of Shh exposure to be established [24,25]. Therefore, progenitor domains form sequentiall ...
Mapping the Brain
... neurons (with distinctive sensory dendrites and cilia), motor neurons (with neuromuscular junctions) and interneurons (a term that is used in C. elegans to describe any neuron that is not evidently sensory or motor, encompassing projection neurons and local neurons)14. In each group, neurons were su ...
... neurons (with distinctive sensory dendrites and cilia), motor neurons (with neuromuscular junctions) and interneurons (a term that is used in C. elegans to describe any neuron that is not evidently sensory or motor, encompassing projection neurons and local neurons)14. In each group, neurons were su ...
Electroencephalography: Basic Principles, Clinical Applications, and
... In addition to the field potentials of the cortical surface and the membrane potentials of the pyramidal tract cells, field potentials were also recorded in the fifth lamina. Under these conditions, it can be shown that every PDS is associated with a negative monophasic field potential in the depth ...
... In addition to the field potentials of the cortical surface and the membrane potentials of the pyramidal tract cells, field potentials were also recorded in the fifth lamina. Under these conditions, it can be shown that every PDS is associated with a negative monophasic field potential in the depth ...
Središnja medicinska knjižnica
... existence of axonal transport of peripherally applied BTX-A to spinal cord via sciatic nerve. We employed BTX-A-cleaved SNAP-25 immunohistochemistry of lumbar spinal cord after intramuscular and subcutaneous hind limb injections, and intraneural BTX-A sciatic nerve injections. Truncated SNAP-25 in i ...
... existence of axonal transport of peripherally applied BTX-A to spinal cord via sciatic nerve. We employed BTX-A-cleaved SNAP-25 immunohistochemistry of lumbar spinal cord after intramuscular and subcutaneous hind limb injections, and intraneural BTX-A sciatic nerve injections. Truncated SNAP-25 in i ...
Cellular, synaptic and network effects of neuromodulation
... that current and the neuron’s firing properties. This can occur because there is a non-trivial relationship between the maximal conductances found in a neuron and its intrinsic properties. This is illustrated in a recent modeling study (Goldman, Golowasch, Marder, & Abbott, 2001) in which the maxima ...
... that current and the neuron’s firing properties. This can occur because there is a non-trivial relationship between the maximal conductances found in a neuron and its intrinsic properties. This is illustrated in a recent modeling study (Goldman, Golowasch, Marder, & Abbott, 2001) in which the maxima ...
REVIEW
... evidence that both of these systems may play important roles in reproductive processes in a number of species, including humans.5±7 The potential role of a human vomeronasal organ (if present) in the detection of and responses to pheromones as well as the utilization of the olfactory system in phero ...
... evidence that both of these systems may play important roles in reproductive processes in a number of species, including humans.5±7 The potential role of a human vomeronasal organ (if present) in the detection of and responses to pheromones as well as the utilization of the olfactory system in phero ...
PATHOPHYSIOLOGY OF THE NERVOUS SYSTEM
... formation of antibodies to the nerve tissue, disruption of antisystems (analgesic, anticonvulsant, and others.). Typical pathogenic changes may be the formation of aggregates of hyperactive neurons, which are generators of pathologically enhanced excitation (GPEE), the formation of pathological dete ...
... formation of antibodies to the nerve tissue, disruption of antisystems (analgesic, anticonvulsant, and others.). Typical pathogenic changes may be the formation of aggregates of hyperactive neurons, which are generators of pathologically enhanced excitation (GPEE), the formation of pathological dete ...
the electron microscopic localization of
... suggested by Smith and Treherne (1963) that one of the functions of the glia within the neuropile may be to define the pattern of possible synaptic transfer, since surfaces of adjoining axon branches are invariably closely applied to each other, unless they are separated by interpolated glial tendri ...
... suggested by Smith and Treherne (1963) that one of the functions of the glia within the neuropile may be to define the pattern of possible synaptic transfer, since surfaces of adjoining axon branches are invariably closely applied to each other, unless they are separated by interpolated glial tendri ...
The Spinal Cord, Spinal Nerves, and Somatic Reflexes
... Knowledge of the locations and functions of the spinal tracts is essential in diagnosing and managing spinal cord injuries. Ascending tracts carry sensory information up the cord and descending tracts conduct motor impulses down. All nerve fibers in a given tract have a similar origin, destination, ...
... Knowledge of the locations and functions of the spinal tracts is essential in diagnosing and managing spinal cord injuries. Ascending tracts carry sensory information up the cord and descending tracts conduct motor impulses down. All nerve fibers in a given tract have a similar origin, destination, ...
Overview Synaptic plasticity Synaptic strength
... When an axon of cell A is near enough to excite cell B and repeatedly or persistently takes part in firing it, some growth processes or metabolic change takes place in one or both cells so that A‘s efficiency ... is increased. ...
... When an axon of cell A is near enough to excite cell B and repeatedly or persistently takes part in firing it, some growth processes or metabolic change takes place in one or both cells so that A‘s efficiency ... is increased. ...
Ocular motor nerve palsies
... Abstract: Measurements of the dynamics of the eyes in ocular motor nerve palsies may aid diagnosis, characterize peripheral and central palsies, and reveal adaptive properties of the brain. Saccadic and vestibulo-ocular reflex (VOR) functions of patients with peripheral and central sixth, and periphe ...
... Abstract: Measurements of the dynamics of the eyes in ocular motor nerve palsies may aid diagnosis, characterize peripheral and central palsies, and reveal adaptive properties of the brain. Saccadic and vestibulo-ocular reflex (VOR) functions of patients with peripheral and central sixth, and periphe ...
The sympathetic control of blood pressure.
... level of sympathetic tone present at rest is presumably crucial for long-term blood pressure (BP) control. The network that sets this background level is located in the rostral ventrolateral medulla (RVLM), the spinal cord, the hypothalamus and the nucleus of the solitary tract (NTS). Limbic, cortic ...
... level of sympathetic tone present at rest is presumably crucial for long-term blood pressure (BP) control. The network that sets this background level is located in the rostral ventrolateral medulla (RVLM), the spinal cord, the hypothalamus and the nucleus of the solitary tract (NTS). Limbic, cortic ...