Brain and Behavior
... cortex that are not primarily sensory or motor in function Aphasia: Speech disturbance resulting from brain damage ...
... cortex that are not primarily sensory or motor in function Aphasia: Speech disturbance resulting from brain damage ...
Stress induces atrophy of apical dendrites of hippocampal CA3
... restraint stress for 3 weeks resalted in significant decreases in both the total dendritic length (Fig. 2A; P < 0.05) and in the number of branch points (Fig. 2B; P < 0.05) in the apical dendritic trees of Golgi-impregnated CA3 pyramidal cells in 100-~zm-th,.'cksections. In contrast, CA3 pyramidal c ...
... restraint stress for 3 weeks resalted in significant decreases in both the total dendritic length (Fig. 2A; P < 0.05) and in the number of branch points (Fig. 2B; P < 0.05) in the apical dendritic trees of Golgi-impregnated CA3 pyramidal cells in 100-~zm-th,.'cksections. In contrast, CA3 pyramidal c ...
The Origins of Two-State Spontaneous Membrane Potential
... rapidly activating inwardly rectifying potassium-selective current known to be present in these cells (Kita et al., 1984; Kawaguchi et al., 1989; Uchimura et al., 1989; Jiang and North, 1991; Nisenbaum and Wilson, 1995). When the volume of excitatory input falls below the amount required to maintain ...
... rapidly activating inwardly rectifying potassium-selective current known to be present in these cells (Kita et al., 1984; Kawaguchi et al., 1989; Uchimura et al., 1989; Jiang and North, 1991; Nisenbaum and Wilson, 1995). When the volume of excitatory input falls below the amount required to maintain ...
stereological estimates of dopaminergic, gabaergic and
... in reward processing, learning and memory, and movement. Within these midbrain regions and admixed with the dopamine neurons, are also substantial populations of GABAergic neurons that regulate dopamine neuron activity and have projection targets similar to those of dopamine neurons. Additionally, t ...
... in reward processing, learning and memory, and movement. Within these midbrain regions and admixed with the dopamine neurons, are also substantial populations of GABAergic neurons that regulate dopamine neuron activity and have projection targets similar to those of dopamine neurons. Additionally, t ...
chapter2 (new window)
... Electrical Signals in Neurons • Key components of neurons: – Cell body – Dendrites – Axon or nerve fiber • Sensory receptors - specialized neurons that respond to specific kinds of energy ...
... Electrical Signals in Neurons • Key components of neurons: – Cell body – Dendrites – Axon or nerve fiber • Sensory receptors - specialized neurons that respond to specific kinds of energy ...
Identifying Hallmarks of Consciousness in Non-Mammalian
... when consciousness of an object was reported (Srinavisan et al., 1998). In general, these results implicate the thalamocortical system in the generation of conscious states. In addition, evidence from strokes and destruction of brain regions has indicated that structures such as the thalamocortical ...
... when consciousness of an object was reported (Srinavisan et al., 1998). In general, these results implicate the thalamocortical system in the generation of conscious states. In addition, evidence from strokes and destruction of brain regions has indicated that structures such as the thalamocortical ...
Neurons - AC Reynolds High
... Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings ...
... Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings ...
Visually guided behavior in drosophila
... This project aimed to compare R2 cells activation to overall cells during processing, and assess whether there is a predicting trend. The orientation error provide us an evolution of the pixel differences and thus ensuring the results are not random. Random results would be around 90 degrees, while ...
... This project aimed to compare R2 cells activation to overall cells during processing, and assess whether there is a predicting trend. The orientation error provide us an evolution of the pixel differences and thus ensuring the results are not random. Random results would be around 90 degrees, while ...
Name__________________________________ The Spinal Cord
... A reflex arc represents the simplest type of nerve pathway found in the brain. It may consist of only 2 or 3 neurons. The pathway is an automatic, unconscious response to a change in the external environment and does not involve the brain. The main steps of a reflex are receptor, sensory neuron, spi ...
... A reflex arc represents the simplest type of nerve pathway found in the brain. It may consist of only 2 or 3 neurons. The pathway is an automatic, unconscious response to a change in the external environment and does not involve the brain. The main steps of a reflex are receptor, sensory neuron, spi ...
Full Text PDF - J
... In the present study, to confirm in vivo the loss of γtubulin from the centrosome of neurons, and to address why the centrosome loses γ-tubulin, we investigated the expression of γ-tubulin and its recruiting proteins, GCPWD/NEDD1 and CDK5RAP2 during the development of mouse brain. GCP-WD and CDK5RAP ...
... In the present study, to confirm in vivo the loss of γtubulin from the centrosome of neurons, and to address why the centrosome loses γ-tubulin, we investigated the expression of γ-tubulin and its recruiting proteins, GCPWD/NEDD1 and CDK5RAP2 during the development of mouse brain. GCP-WD and CDK5RAP ...
The Primary Brain Vesicles Revisited: Are the Three
... folds at stage 9 [O’Rahilly and Gardner, 1979; O’Rahilly et al., 1989], before any portions of the neural folds have closed (fig. 4). In the initial human neural tube, O’Rahilly and Gardner [1979, p. 129] described that ‘external views of the brain may show at most a swelling of the hindbrain, which ...
... folds at stage 9 [O’Rahilly and Gardner, 1979; O’Rahilly et al., 1989], before any portions of the neural folds have closed (fig. 4). In the initial human neural tube, O’Rahilly and Gardner [1979, p. 129] described that ‘external views of the brain may show at most a swelling of the hindbrain, which ...
Central nervous system
... spindle-like cells are located between the ganglious and granular layers, have horizontal dendrites, their axons passing to the white matter. The cerebellar glomeruli in the granular layer form synaptic contact zones among mossy fibers, dendrites of the granular – cells’ and axons of the Golgi cells ...
... spindle-like cells are located between the ganglious and granular layers, have horizontal dendrites, their axons passing to the white matter. The cerebellar glomeruli in the granular layer form synaptic contact zones among mossy fibers, dendrites of the granular – cells’ and axons of the Golgi cells ...
Mitochondrial DNA deletions are abundant and
... regardless of cutoff age, 40 to 69 years). Moreover, there was a very high absolute prevalence of mtDNA deletions in neurons from aged substantia nigra (Fig. 1). In addition, in many neurons, the fraction of deletions exceeded 60%, which is believed to be the phenotypic threshold (the fraction above ...
... regardless of cutoff age, 40 to 69 years). Moreover, there was a very high absolute prevalence of mtDNA deletions in neurons from aged substantia nigra (Fig. 1). In addition, in many neurons, the fraction of deletions exceeded 60%, which is believed to be the phenotypic threshold (the fraction above ...
Measurement of variability dynamics in cortical spike trains
... briefly reviewed in the method section. We confirmed this prediction for cortical pyramidal neurons in vitro in a series of current injection experiments where we mimicked stochastic inputs assuming stationary network conditions. For variability studies in vivo we suggest to jointly analyse both asp ...
... briefly reviewed in the method section. We confirmed this prediction for cortical pyramidal neurons in vitro in a series of current injection experiments where we mimicked stochastic inputs assuming stationary network conditions. For variability studies in vivo we suggest to jointly analyse both asp ...
Neuronal Migration and Ventral Subtype Identity in the
... telencephalon have been shown to control neuronal specification, but it has been unclear whether subtype identity is also specified in these precursors, or if this happens in postmitotic neurons, and whether it involves the same or different factors. SOX1, an HMG box transcription factor, is express ...
... telencephalon have been shown to control neuronal specification, but it has been unclear whether subtype identity is also specified in these precursors, or if this happens in postmitotic neurons, and whether it involves the same or different factors. SOX1, an HMG box transcription factor, is express ...
LECTURE OF NERVOUS SYSTEM
... conserving and restoring energy. i.e., rebuilding the body resources during rest : 1. They slow the heart rate 2. increase peristalsis of the intestine and glandular activity, and open the sphincters. 3. constriction of the pupil. NB .The hypothalamus of the brain controls the autonomic nervous syst ...
... conserving and restoring energy. i.e., rebuilding the body resources during rest : 1. They slow the heart rate 2. increase peristalsis of the intestine and glandular activity, and open the sphincters. 3. constriction of the pupil. NB .The hypothalamus of the brain controls the autonomic nervous syst ...
Textbook Power Point ed for Ch 2
... How do synaptic vesicles continue to pour out neurotransmitters yet maintain a ready supply of ...
... How do synaptic vesicles continue to pour out neurotransmitters yet maintain a ready supply of ...
Dendritic Signal Integration
... at greater distances from the soma, but the magnitude of the effects depends on many factors, including dendritic structure (diameter, length, and branching) and membrane properties, as well as the kinetics of the EPSP (faster EPSPs attenuate more). A mathematical theory for analyzing current flow i ...
... at greater distances from the soma, but the magnitude of the effects depends on many factors, including dendritic structure (diameter, length, and branching) and membrane properties, as well as the kinetics of the EPSP (faster EPSPs attenuate more). A mathematical theory for analyzing current flow i ...
"Touch". In: Encyclopedia of Life Sciences (ELS)
... Touch is defined as direct contact between two physical bodies. In neuroscience, touch describes the special sense by which contact with the body is perceived in the conscious mind. Touch allows us to recognise objects held in the hand, and use them as tools. Because the skin is elastic, it forms a ...
... Touch is defined as direct contact between two physical bodies. In neuroscience, touch describes the special sense by which contact with the body is perceived in the conscious mind. Touch allows us to recognise objects held in the hand, and use them as tools. Because the skin is elastic, it forms a ...
Anatomy of spinal cord
... The nerve fibers are arranged as bundles, running vertically through the cord. A group of nerve fibers (axons) that share a common origin, termination and function form a tract or fasciculus These tracts are formed by sensory nerve fibers ascending to the brain, motor nerve fibers descending f ...
... The nerve fibers are arranged as bundles, running vertically through the cord. A group of nerve fibers (axons) that share a common origin, termination and function form a tract or fasciculus These tracts are formed by sensory nerve fibers ascending to the brain, motor nerve fibers descending f ...
AACBIS - Brain Injury Alliance of Oregon
... Chapter 3: Understanding the Brain and Brain Injury ...
... Chapter 3: Understanding the Brain and Brain Injury ...
Trial time warping to discriminate stimulus-related
... button press (open circles) using the transformation in Eq. (1). The average spike density function (Eq. (3)) is shown in black. (C) The same response aligned of w = 0.5 using the warping transformation of Eq. (2). (D) The logarithm of the homogeneity measure log(L(w)), computed from Eq. (5), is plo ...
... button press (open circles) using the transformation in Eq. (1). The average spike density function (Eq. (3)) is shown in black. (C) The same response aligned of w = 0.5 using the warping transformation of Eq. (2). (D) The logarithm of the homogeneity measure log(L(w)), computed from Eq. (5), is plo ...
Microstructure of the neocortex: Comparative aspects
... the evolution of the vertebrate brain. One of the fundamental questions in neuroscience is what is special about the neocortex of humans and how does it differ from that of other species? It is clear that distinct cortical areas show important differences within both the same and different species, ...
... the evolution of the vertebrate brain. One of the fundamental questions in neuroscience is what is special about the neocortex of humans and how does it differ from that of other species? It is clear that distinct cortical areas show important differences within both the same and different species, ...