Structural Repair and Functional Recovery Following Cerebral
... able to replace various body parts. Tentacles, eyes, siphon, penis, and regions of the foot, mantle, and shell, can all be regenerated to a degree by most molluscs (Hyman, 1967). There is evidence of, if not a requirement for, the influence of neural factors on regeneration in each of these cases; d ...
... able to replace various body parts. Tentacles, eyes, siphon, penis, and regions of the foot, mantle, and shell, can all be regenerated to a degree by most molluscs (Hyman, 1967). There is evidence of, if not a requirement for, the influence of neural factors on regeneration in each of these cases; d ...
Sound processing by local neural populations in the
... is transduced into an electrical signal. This signal propagates along various stations of the auditory pathway, through the thalamus, eventually reaching the auditory cortex (AC). The AC is the primary cortical region devoted to processing of sounds, and as such, it is believed to be involved in hig ...
... is transduced into an electrical signal. This signal propagates along various stations of the auditory pathway, through the thalamus, eventually reaching the auditory cortex (AC). The AC is the primary cortical region devoted to processing of sounds, and as such, it is believed to be involved in hig ...
Down - 서울대 Biointelligence lab
... The high-order mental abilities An emerging property of specialized neural networks The number of neurons in the central nervous systems 1012 We aim to understand the principal organization of neuron-like elements and how such structures can support and enable particular mental processes. ...
... The high-order mental abilities An emerging property of specialized neural networks The number of neurons in the central nervous systems 1012 We aim to understand the principal organization of neuron-like elements and how such structures can support and enable particular mental processes. ...
Cerebral cortex and the clinical expression of
... a progressive movement disorder dominated by neostriatal pathology represent.The availability of novel neuroimaging methods has enabled us to evaluate cerebral cortical changes in HD, which we have found to occur early and to be topographically selective. What is less clear, however, is how these ch ...
... a progressive movement disorder dominated by neostriatal pathology represent.The availability of novel neuroimaging methods has enabled us to evaluate cerebral cortical changes in HD, which we have found to occur early and to be topographically selective. What is less clear, however, is how these ch ...
Chapter 13: The Spinal Cord, Spinal Nerves, and Spinal Reflexes
... Stretch, tendon and withdrawal reflexes are ipsilateral reflex arcs, occurring on the same side of the body as the stimulus. A crossed extensor reflex occurs on the side opposite the stimulus (contralateral reflex arc). The crossed extensor reflex occurs simultaneously and in coordination with a fle ...
... Stretch, tendon and withdrawal reflexes are ipsilateral reflex arcs, occurring on the same side of the body as the stimulus. A crossed extensor reflex occurs on the side opposite the stimulus (contralateral reflex arc). The crossed extensor reflex occurs simultaneously and in coordination with a fle ...
Nerve activates contraction
... synaptic cleft, where they bind to receptors in the membrane on the postsynaptic side of the synapse. Release of neurotransmitters usually follows arrival of an action potential at the synapse, but may also follow graded electrical potentials. Low level "baseline" release also occurs without electri ...
... synaptic cleft, where they bind to receptors in the membrane on the postsynaptic side of the synapse. Release of neurotransmitters usually follows arrival of an action potential at the synapse, but may also follow graded electrical potentials. Low level "baseline" release also occurs without electri ...
Cognitive Ability is Associated with Altered
... There is little evidence that genetic lesions associated with cortical circuit disorders alter cognition in register with developmental changes in relevant cortical regions. We therefore focused on changes that reflect 2 developmental anomalies in the LgDel frontal cortex. First, disrupted migration ...
... There is little evidence that genetic lesions associated with cortical circuit disorders alter cognition in register with developmental changes in relevant cortical regions. We therefore focused on changes that reflect 2 developmental anomalies in the LgDel frontal cortex. First, disrupted migration ...
Regulation of rCBF by Diffusible Signals: An Analysis of Constraints
... In vivo optical imaging (of microcirculatory events) in visual cortex of monkeys has characterized the timing of activity-dependent changes [Frostig et al., 19901. The data suggest the following sequence of events following a brief sensory stimulus: first, 200400 ms after the onset of neural activit ...
... In vivo optical imaging (of microcirculatory events) in visual cortex of monkeys has characterized the timing of activity-dependent changes [Frostig et al., 19901. The data suggest the following sequence of events following a brief sensory stimulus: first, 200400 ms after the onset of neural activit ...
Morphological Changes in the Hippocampus Following Nicotine and
... administration leads to neuronal degeneration, characterized among others by cell loss, when kainic acid is administered once or repeatedly (Riljak et al. 2005). The cell loss is not specific for kainic acid administration only but also for other neurotoxic insults (e.g. alcohol) (Milotová et al. 20 ...
... administration leads to neuronal degeneration, characterized among others by cell loss, when kainic acid is administered once or repeatedly (Riljak et al. 2005). The cell loss is not specific for kainic acid administration only but also for other neurotoxic insults (e.g. alcohol) (Milotová et al. 20 ...
Mouse Nerve Growth Factor Prevents Degeneration of Axotomized
... was further washed with an additional 300 ~1 of artificial CSF in order to insure that NGF was not retained within the components of the ventricular access device. Cytochrome C was not used as a control drug, because, in a preliminary case, we found that it caused reactive astrocytosis, primarily in ...
... was further washed with an additional 300 ~1 of artificial CSF in order to insure that NGF was not retained within the components of the ventricular access device. Cytochrome C was not used as a control drug, because, in a preliminary case, we found that it caused reactive astrocytosis, primarily in ...
Localization of Ca2+ Channel Subtypes on Rat Spinal Motor
... also provide an opportunity for analysis of the distribution of Ca 21 channels in the central cell body and dendrites compared with the peripheral nerve terminals of a single class of neurons. In these experiments, we have used specific antibodies to define the distribution of five C a 21 channel su ...
... also provide an opportunity for analysis of the distribution of Ca 21 channels in the central cell body and dendrites compared with the peripheral nerve terminals of a single class of neurons. In these experiments, we have used specific antibodies to define the distribution of five C a 21 channel su ...
State dependent activity in monkey visual cortex
... collected from one V4 neuron while the animal performed about 150 trials of the tactile-visual match. Although most trials consisted of several stimuli presented one after another, in Fig. 2 and subsequent figures the trials have been broken apart so that each stimulus presentation and the following ...
... collected from one V4 neuron while the animal performed about 150 trials of the tactile-visual match. Although most trials consisted of several stimuli presented one after another, in Fig. 2 and subsequent figures the trials have been broken apart so that each stimulus presentation and the following ...
Auditory Cortical Neurons are Sensitive to Static and Continuously
... their input via ITD-sensitive cells in the dorsolateral pontine nuclei (Aitkin and Boyd 1978). In 1969 Brugge and coworkers reported that neurons of auditory cortical area AI and of cortex on the anterior ectosylvian gyrus [now known as the anterior auditory field (Knight 1977)] exhibited an ITD sen ...
... their input via ITD-sensitive cells in the dorsolateral pontine nuclei (Aitkin and Boyd 1978). In 1969 Brugge and coworkers reported that neurons of auditory cortical area AI and of cortex on the anterior ectosylvian gyrus [now known as the anterior auditory field (Knight 1977)] exhibited an ITD sen ...
and Third-Order Neurons of Cockroach Ocelli
... in second-order neurons by either an extrinsic current or a sinusoidally modulated light. The synapse had a low-pass filter characteristic with a cutoff frequency of 2 5 - 3 0 Hz, which passed most presynaptic signals. The synapse operated at an exponentially rising part o f the overall sigmoidal in ...
... in second-order neurons by either an extrinsic current or a sinusoidally modulated light. The synapse had a low-pass filter characteristic with a cutoff frequency of 2 5 - 3 0 Hz, which passed most presynaptic signals. The synapse operated at an exponentially rising part o f the overall sigmoidal in ...
Fine-scale specificity of cortical networks depends on inhibitory cell
... and anatomically distinct areas, each of which connects to distinct subsets of the other areas1. And within each area, specific connections create and respect laminar and columnar functional architecture2–8. Within any one of these laminar or columnar modules there are numerous inhibitory and excita ...
... and anatomically distinct areas, each of which connects to distinct subsets of the other areas1. And within each area, specific connections create and respect laminar and columnar functional architecture2–8. Within any one of these laminar or columnar modules there are numerous inhibitory and excita ...
12 - Mrs. Jensen's Science Classroom
... Anterior Association Area (Prefrontal Cortex) • Most complicated cortical region • Involved with intellect, cognition, recall, and personality ...
... Anterior Association Area (Prefrontal Cortex) • Most complicated cortical region • Involved with intellect, cognition, recall, and personality ...
Cranial Nerve II - Maryville University
... Lower Motor Neuron (LMN) Lesion • Unilateral damage to the recurrent laryngeal nerve can occur during surgical procedures in the neck (Grave’s Disease), resulting in hoarseness due to unilateral weakness or paralysis of the muscles controlling the vocal fold on the affected side. • Enlargement of t ...
... Lower Motor Neuron (LMN) Lesion • Unilateral damage to the recurrent laryngeal nerve can occur during surgical procedures in the neck (Grave’s Disease), resulting in hoarseness due to unilateral weakness or paralysis of the muscles controlling the vocal fold on the affected side. • Enlargement of t ...
Role of Inhibitory Neurotransmitter Interactions in the Pathogenesis
... of the role of neurotransmitters that mediate these neural pathways at the brainstem is poorly understood. As fetal and early neonatal life are characterized by greater inhibition of respiratory output than in later life, it is tempting to speculate that this period is associated with greater expres ...
... of the role of neurotransmitters that mediate these neural pathways at the brainstem is poorly understood. As fetal and early neonatal life are characterized by greater inhibition of respiratory output than in later life, it is tempting to speculate that this period is associated with greater expres ...
Study of the human hypoglossal nucleus: Normal development and
... histological examination of the autonomic nervous system was made, according to the protocol routinely followed by the ‘‘Lino Rossi Research Center for the study and prevention of the unexpected perinatal death and SIDS” of the Milan University [27,28]. In particular, after fixation in 10% phosphate- ...
... histological examination of the autonomic nervous system was made, according to the protocol routinely followed by the ‘‘Lino Rossi Research Center for the study and prevention of the unexpected perinatal death and SIDS” of the Milan University [27,28]. In particular, after fixation in 10% phosphate- ...
Inhibitory interneurons in a cortical column form hot zones of
... hemispheres of four animals (P25–P36, both sexes) were analyzed. All the slices contained the center of D2 (n = 5) and either C2 (n = 3) or E2 (n = 2). Markers were manually placed in somata of neurons and INs [details, especially the correction for doublecounting between slices, are discussed in th ...
... hemispheres of four animals (P25–P36, both sexes) were analyzed. All the slices contained the center of D2 (n = 5) and either C2 (n = 3) or E2 (n = 2). Markers were manually placed in somata of neurons and INs [details, especially the correction for doublecounting between slices, are discussed in th ...
Crosstalk between 2 organelles: Lysosomal storage of heparan
... somatosensory cortex. NeuN-positive neurons were counted in 2 adjacent fields on 3 sagittal sections (1.44, 1.68 and 1.92 mm from bregma) of S1 somatosensory cortex; 2 male and 2 female mice were studied for each age and each genotype. Two-way repeated measurements ANOVA was used to test differences ...
... somatosensory cortex. NeuN-positive neurons were counted in 2 adjacent fields on 3 sagittal sections (1.44, 1.68 and 1.92 mm from bregma) of S1 somatosensory cortex; 2 male and 2 female mice were studied for each age and each genotype. Two-way repeated measurements ANOVA was used to test differences ...
Reflexes - Sinoe Medical Association
... receptors) and the descending tracts transmitting motor information (to skeletal muscles, smooth muscle, cardiac muscle, & glands). The spinal cord is also responsible for spinal reflexes. ...
... receptors) and the descending tracts transmitting motor information (to skeletal muscles, smooth muscle, cardiac muscle, & glands). The spinal cord is also responsible for spinal reflexes. ...
Mutation of UL24 impedes the dissemination of acute herpes
... Herpes simplex virus 1 (human herpesvirus 1) initially infects epithelial cells of the mucosa and then goes on to infect sensory neurons leading ultimately to a latent infection in trigeminal ganglia (TG). UL24 is a core herpesvirus gene that has been identified as a determinant of pathogenesis in s ...
... Herpes simplex virus 1 (human herpesvirus 1) initially infects epithelial cells of the mucosa and then goes on to infect sensory neurons leading ultimately to a latent infection in trigeminal ganglia (TG). UL24 is a core herpesvirus gene that has been identified as a determinant of pathogenesis in s ...