spinal cord - Zanichelli
... Ions channels are concentrated at the nodes of Ranvier, so action potential jumps from one node to the other and travels faster in a saltatory conduction. ...
... Ions channels are concentrated at the nodes of Ranvier, so action potential jumps from one node to the other and travels faster in a saltatory conduction. ...
The columnar organization of the neocortex
... 1989; Cepko et al., 1990; Luskin, 1996). The virus particles are injected into the ventricles of the living rat embryo where they are incorporated into the DNA of dividing cells, and appear undiluted in 50% of their descendants. They can be identified at any later time by histochemical methods. Lusk ...
... 1989; Cepko et al., 1990; Luskin, 1996). The virus particles are injected into the ventricles of the living rat embryo where they are incorporated into the DNA of dividing cells, and appear undiluted in 50% of their descendants. They can be identified at any later time by histochemical methods. Lusk ...
File
... a) No. The most likely explanation is that the SCN does not control the circadian rhythm in hamsters. b) Yes. The data from 80% of the hamsters are very consistent. In the other 20%, the transplanted SCN may not have established functional connections with the recipient's brain. c) No. A failure rat ...
... a) No. The most likely explanation is that the SCN does not control the circadian rhythm in hamsters. b) Yes. The data from 80% of the hamsters are very consistent. In the other 20%, the transplanted SCN may not have established functional connections with the recipient's brain. c) No. A failure rat ...
University of Groningen The hearing brain in males and
... electrochemical impulses. Local neuronal electrical activity is a measure of local brain activity. The most direct, but also invasive, way of studying brain activity in the living brain is direct single cell recording, i.e. an electrode is inserted directly into the brain. This technique is restrict ...
... electrochemical impulses. Local neuronal electrical activity is a measure of local brain activity. The most direct, but also invasive, way of studying brain activity in the living brain is direct single cell recording, i.e. an electrode is inserted directly into the brain. This technique is restrict ...
The mirror neuron system and the consequences of its
... dorsolateral prefrontal cortex during imitative learning - there are two functionally divided sectors in the frontal component of the human MNS, of which only one is properly mirror The so called forward model draws the conclusion that the ventral part might have a functional significance during i ...
... dorsolateral prefrontal cortex during imitative learning - there are two functionally divided sectors in the frontal component of the human MNS, of which only one is properly mirror The so called forward model draws the conclusion that the ventral part might have a functional significance during i ...
- Journal of Vestibular Research
... time-course of their vestibular compensation. The results show that the monoaminergic changes are different in the two rat strains. In the MVN of albino rats, there was a bilateral increase of MHPG and an ipsilateral increase of dopamine suggesting activation of norepinephrine synthesis and metaboli ...
... time-course of their vestibular compensation. The results show that the monoaminergic changes are different in the two rat strains. In the MVN of albino rats, there was a bilateral increase of MHPG and an ipsilateral increase of dopamine suggesting activation of norepinephrine synthesis and metaboli ...
The Basal Ganglia Anatomy, Physiology, etc. Overview
... Phelps Center for Cerebral Palsy & Neurodevelopmental Medicine, Kennedy Krieger Institute [email protected] ...
... Phelps Center for Cerebral Palsy & Neurodevelopmental Medicine, Kennedy Krieger Institute [email protected] ...
Roles for miRNAs in Timing Developmental Progression Within
... Notably, in bantam mutants, these dendrites inappropriately retain high levels of structural plasticity and other early larval dendrite growth properties. How is bantam regulating this developmental transition? Although the timing mechanism is unknown, bantam activity is significantly upregulated at ...
... Notably, in bantam mutants, these dendrites inappropriately retain high levels of structural plasticity and other early larval dendrite growth properties. How is bantam regulating this developmental transition? Although the timing mechanism is unknown, bantam activity is significantly upregulated at ...
Perceptual and Semantic Contributions to
... priming-related effects within extrastriate (i.e., visual) and prefrontal cortices (Buckner et al. 2000; Badgaiyan et al. 2001). The predominant interpretation is that such extrastriate regions mediate priming irrespective of the sensory modality and also despite changes in the surface features (i.e ...
... priming-related effects within extrastriate (i.e., visual) and prefrontal cortices (Buckner et al. 2000; Badgaiyan et al. 2001). The predominant interpretation is that such extrastriate regions mediate priming irrespective of the sensory modality and also despite changes in the surface features (i.e ...
Coding of Auditory-Stimulus Identity in the Auditory Non
... Submitted 26 September 2007; accepted in final form 7 November 2007 ...
... Submitted 26 September 2007; accepted in final form 7 November 2007 ...
Neurotransmitters: Their Role Within the Body
... effects. There are, however, other important neurotransmitters, such as acetylcholine, for which both excitatory and inhibitory receptors exist; and there are some types of receptors that activate complex metabolic pathways in the postsynaptic cell to produce effects that cannot appropriately be cal ...
... effects. There are, however, other important neurotransmitters, such as acetylcholine, for which both excitatory and inhibitory receptors exist; and there are some types of receptors that activate complex metabolic pathways in the postsynaptic cell to produce effects that cannot appropriately be cal ...
Sir Charles Scott Sherrington English Neurophysiologist 1857
... addressing the links between reflexes and their patterns in applying correction procedures for children with neuro-developmental deficits. Sherrington’s work relating to the dual protection effect of a reflex pattern in the face of dysfunction or pathology helps Dr. Masgutova explain why standard ph ...
... addressing the links between reflexes and their patterns in applying correction procedures for children with neuro-developmental deficits. Sherrington’s work relating to the dual protection effect of a reflex pattern in the face of dysfunction or pathology helps Dr. Masgutova explain why standard ph ...
PDF
... one might choose to pull the chain to obtain water. The choice of which action to perform also depends on how costly the action itself is, in terms of effort: for instance, if pulling the chain necessitates much effort to jump and reach it, the benefit of a small amount of water may not be worth thi ...
... one might choose to pull the chain to obtain water. The choice of which action to perform also depends on how costly the action itself is, in terms of effort: for instance, if pulling the chain necessitates much effort to jump and reach it, the benefit of a small amount of water may not be worth thi ...
Technology Insight: noninvasive brain stimulation in neurology
... to stroke-affected hemisphere in association with poststroke recovery, particularly in patients with subcortical stroke.43 Much interest has, therefore, focused on changes in interhemispheric interactions following stroke.44 After a stroke affecting the motor cortex, cortical excitability is decreas ...
... to stroke-affected hemisphere in association with poststroke recovery, particularly in patients with subcortical stroke.43 Much interest has, therefore, focused on changes in interhemispheric interactions following stroke.44 After a stroke affecting the motor cortex, cortical excitability is decreas ...
Insect hearing: from physics to ecology - Karl-Franzens
... the context of mate finding is one of the major functions of hearing systems—although it may not have been their original task in the past. Despite the ability to discriminate frequencies or to establish frequency filters tuned to the main frequency content of communication signals, the pattern of a ...
... the context of mate finding is one of the major functions of hearing systems—although it may not have been their original task in the past. Despite the ability to discriminate frequencies or to establish frequency filters tuned to the main frequency content of communication signals, the pattern of a ...
Hypothalamic paraventricular nucleus activation contributes to
... and increased ANG II causes PVN neuronal activation [13-16]. ANG II had been shown as a significant factor in the central regulation of arterial blood pressure (BP), which could bind to AT1-R cross the weak or absent blood–brain barrier and subsequently activate the brain RAS. The permissive role of ...
... and increased ANG II causes PVN neuronal activation [13-16]. ANG II had been shown as a significant factor in the central regulation of arterial blood pressure (BP), which could bind to AT1-R cross the weak or absent blood–brain barrier and subsequently activate the brain RAS. The permissive role of ...
Behavior-based robotics
... Now, this procedure is very different from the distributed form of computation found in the brains of biological organisms, and, above all, it is generally very slow, strongly reducing its survival value. Clearly, this is not the way most biological organisms function. As a good counterexample, cons ...
... Now, this procedure is very different from the distributed form of computation found in the brains of biological organisms, and, above all, it is generally very slow, strongly reducing its survival value. Clearly, this is not the way most biological organisms function. As a good counterexample, cons ...
Material and methods - HAL
... Although the role of histaminergic neurons in schizophrenia and in the effects of antipsychotic drugs has been less studied than those of other aminergic neurons, the topic deserves attention. In agreement, histamine neuron activity seems to be enhanced in both rodent models of schizophrenia (change ...
... Although the role of histaminergic neurons in schizophrenia and in the effects of antipsychotic drugs has been less studied than those of other aminergic neurons, the topic deserves attention. In agreement, histamine neuron activity seems to be enhanced in both rodent models of schizophrenia (change ...
Do Sensory Neurons Secrete an Anti-Inhibitory
... plates were imaged on an epifluorescence microscope. The density of neurite outgrowth from the explants was quantified using a “midline crossover test”, in which the vertical midline of the aggrecan stripe was determined and the number of axons that crossed that boundary (crossovers) was recorded. R ...
... plates were imaged on an epifluorescence microscope. The density of neurite outgrowth from the explants was quantified using a “midline crossover test”, in which the vertical midline of the aggrecan stripe was determined and the number of axons that crossed that boundary (crossovers) was recorded. R ...
James Robertson
... Lack of signaling in both receptors associated with cataplexy Orx2 in Limbic System = emotional valence Orx1 in PPT = ↓ REM atonia (sleep paralysis) ...
... Lack of signaling in both receptors associated with cataplexy Orx2 in Limbic System = emotional valence Orx1 in PPT = ↓ REM atonia (sleep paralysis) ...
The cognitive neuroscience of sustained attention
... ‘sustained attention’, has been greatly advanced in recent decades, allowing the development and validation of diverse tasks for the test of sustained attention in humans and animals and thereby fostering research on the neuronal circuits mediating sustained attention performance in humans and labor ...
... ‘sustained attention’, has been greatly advanced in recent decades, allowing the development and validation of diverse tasks for the test of sustained attention in humans and animals and thereby fostering research on the neuronal circuits mediating sustained attention performance in humans and labor ...
Role of the Basal Ganglia in the Control of Purposive - lsr
... orienting response is no longer just a reflex for most vertebrates; it requires integration of multimodal sensory information. This in turn necessitates the presence of a mechanism that controls the integration process, with which an appropriate signal is selected. The basal ganglia may have evolved ...
... orienting response is no longer just a reflex for most vertebrates; it requires integration of multimodal sensory information. This in turn necessitates the presence of a mechanism that controls the integration process, with which an appropriate signal is selected. The basal ganglia may have evolved ...