motor neurons
... Areas in the cat brain where stimulation produces facilitation (+) or inhibition (-) of stretch reflexes. 1. motor cortex; 2. Basal ganglia; 3. Cerebellum; 4. Reticular inhibitory area; 5. Reticular facilitated area; 6. Vestibular nuclei. ...
... Areas in the cat brain where stimulation produces facilitation (+) or inhibition (-) of stretch reflexes. 1. motor cortex; 2. Basal ganglia; 3. Cerebellum; 4. Reticular inhibitory area; 5. Reticular facilitated area; 6. Vestibular nuclei. ...
Human Vision: Electrophysiology and Psychophysics
... conductances ie The movements of current which do not require the expenditure of energy. The leak current primarily consisting of K+ dominates this state. Neuronal communication is via the action potential. This state is active and is dominated by the Na+ ions. ...
... conductances ie The movements of current which do not require the expenditure of energy. The leak current primarily consisting of K+ dominates this state. Neuronal communication is via the action potential. This state is active and is dominated by the Na+ ions. ...
SCandSN 08
... • Brachial plexus passes deep to the clavicle • Damage to brachial plexus (upper or lower motor neuron lesion?) ...
... • Brachial plexus passes deep to the clavicle • Damage to brachial plexus (upper or lower motor neuron lesion?) ...
Neurotransmitters
... According to Loewi, the idea for his key experiment came to him in his sleep. The next day, he dissected out of frogs two beating hearts: one with the vagus nerve which controls heart rate attached, the other heart on its own. Both hearts were bathed in a saline solution (i.e. Ringer's solution). By ...
... According to Loewi, the idea for his key experiment came to him in his sleep. The next day, he dissected out of frogs two beating hearts: one with the vagus nerve which controls heart rate attached, the other heart on its own. Both hearts were bathed in a saline solution (i.e. Ringer's solution). By ...
Lewy body pathology is associated with mitochondrial DNA damage
... implicated in the promotion of synuclein- and tau-mediated neurodegeneration, but the underlying molecular events are unresolved. As a possible link, we hypothesized that oxidative mtDNA damage and a consecutive reduction of mitochondrial RC activity might be involved. To this end, we investigated t ...
... implicated in the promotion of synuclein- and tau-mediated neurodegeneration, but the underlying molecular events are unresolved. As a possible link, we hypothesized that oxidative mtDNA damage and a consecutive reduction of mitochondrial RC activity might be involved. To this end, we investigated t ...
Function
... or flexion of the body, associated with difficulty in balance and disturbances in gait ...
... or flexion of the body, associated with difficulty in balance and disturbances in gait ...
33 Pleura
... posterior diameter of the thorax. Contraction of intercostal muscles results in the rotation of the second to the seventh rib arches at the costosternal and costovertebral joints. This movement referred to as the bucket-handle movement describes the elevation of the ribs and the eversion of their l ...
... posterior diameter of the thorax. Contraction of intercostal muscles results in the rotation of the second to the seventh rib arches at the costosternal and costovertebral joints. This movement referred to as the bucket-handle movement describes the elevation of the ribs and the eversion of their l ...
Neuroscience 1b – Spinal Cord Dysfunction
... The primary sensory neurons synapse in the dorsal column nuclei: Gracile nucleus – leg and lower trunk Cuneate nucleus – arm and upper trunk Trigeminal nucleus – face via the trigeminal nerve (V) Thalamic nucleus = contralateral ventroposterolateral nucleus (VPL) for cuneate and gracile fi ...
... The primary sensory neurons synapse in the dorsal column nuclei: Gracile nucleus – leg and lower trunk Cuneate nucleus – arm and upper trunk Trigeminal nucleus – face via the trigeminal nerve (V) Thalamic nucleus = contralateral ventroposterolateral nucleus (VPL) for cuneate and gracile fi ...
BIOGRAPHICAL SKETCH
... Medicine, University of Illinois at Chicago, Chicago, IL. 2005- present Associate Professor, Department of Physiology and Biophysics, College of Medicine, University of Illinois at Chicago, Chicago, IL. ...
... Medicine, University of Illinois at Chicago, Chicago, IL. 2005- present Associate Professor, Department of Physiology and Biophysics, College of Medicine, University of Illinois at Chicago, Chicago, IL. ...
to get the file
... Thus, neurons in V1 are orientation selective. They are, however, also selective for retinal position and ocular dominance as well as for color and motion. These are called „features“. The neurons are therefore akin to „feature-detectors“. For each of these parameter there exists a topographic map. ...
... Thus, neurons in V1 are orientation selective. They are, however, also selective for retinal position and ocular dominance as well as for color and motion. These are called „features“. The neurons are therefore akin to „feature-detectors“. For each of these parameter there exists a topographic map. ...
Visual form processing in primary and secondary visual
... V1 and V2 neurons are selective for a wide range of visual patterns. Neurons in tree shrew’s V2 exhibit emergent selectivity for polar-like stimuli. ...
... V1 and V2 neurons are selective for a wide range of visual patterns. Neurons in tree shrew’s V2 exhibit emergent selectivity for polar-like stimuli. ...
Functional and Dysfunctional Aspects of the Cerebral Cortex
... to take care of large receptive fields, reaching the conscious level, and others of small receptive fields for local function at the brainstem level [44]. The strength of information processing performed by a cortical circuit depends on the number of interneuronal connections or synapses. Morphologica ...
... to take care of large receptive fields, reaching the conscious level, and others of small receptive fields for local function at the brainstem level [44]. The strength of information processing performed by a cortical circuit depends on the number of interneuronal connections or synapses. Morphologica ...
Regulation of Respiration
... It is now generally believed that the breathing rhythm is generated by a network of neurons called the PreBrotzinger complex. These neurons display pacemaker activity. They are located near the upper end of the medullary respiratory centre ...
... It is now generally believed that the breathing rhythm is generated by a network of neurons called the PreBrotzinger complex. These neurons display pacemaker activity. They are located near the upper end of the medullary respiratory centre ...
Crapse (2008) Corollary discharge across the animal kingdom
... oral veil (its ‘mouth’; FIG. 3b, schematic). However, this withdrawal response does not occur while the animal is feeding, despite there being comparable tactile stimulation. A CD of feeding commands, originating from a corollary discharge interneuron (CDI), was found to intervene during feeding. Th ...
... oral veil (its ‘mouth’; FIG. 3b, schematic). However, this withdrawal response does not occur while the animal is feeding, despite there being comparable tactile stimulation. A CD of feeding commands, originating from a corollary discharge interneuron (CDI), was found to intervene during feeding. Th ...
Impact of Correlated inputs on Simple Neural Models
... of the recipient neuron The effect is qualitatively independent of the neural model The neurons have specific preferences to certain levels of correlations in input trains The temporal correlation can dramatically modulate the neural responsiveness ...
... of the recipient neuron The effect is qualitatively independent of the neural model The neurons have specific preferences to certain levels of correlations in input trains The temporal correlation can dramatically modulate the neural responsiveness ...
Central nervous system
... – Sodium ions are in large concentration along the outside of the cell membrane – Potassium ions are in large concentration along the inside of the cell membrane – Membrane is polarized ...
... – Sodium ions are in large concentration along the outside of the cell membrane – Potassium ions are in large concentration along the inside of the cell membrane – Membrane is polarized ...
The Nervous System
... Identify and discuss the two main parts of the nervous system. Explain how the nervous system functions as the central control system of the body. Identify factors that may lead to disorders of the nervous system. ...
... Identify and discuss the two main parts of the nervous system. Explain how the nervous system functions as the central control system of the body. Identify factors that may lead to disorders of the nervous system. ...
Structure of the Nervous System Functional Classes of Neurons
... • These peripheral nerves can contain nerve fibers that are the axons of efferent neurons, afferent neurons, or both. • All the spinal nerves contain both afferent and efferent fibers, whereas some of the cranial nerves contain only afferent fibers or only efferent fibers. • Efferent neurons carr ...
... • These peripheral nerves can contain nerve fibers that are the axons of efferent neurons, afferent neurons, or both. • All the spinal nerves contain both afferent and efferent fibers, whereas some of the cranial nerves contain only afferent fibers or only efferent fibers. • Efferent neurons carr ...