ANATOMY OF THE CENTRAL NERVOUS SYSTEM
... ventrally from the fibers (see anterior left LGF in Fig. 2). This glial wrapping gives the same appearance and probably serves the same function (increased conduction velocity) as the myelin sheath in vertebrate nerve fibers. In Lumbriculus, as in other oligochaetes, the giant fiber branches that em ...
... ventrally from the fibers (see anterior left LGF in Fig. 2). This glial wrapping gives the same appearance and probably serves the same function (increased conduction velocity) as the myelin sheath in vertebrate nerve fibers. In Lumbriculus, as in other oligochaetes, the giant fiber branches that em ...
Neuroscience and Behavior
... prepared to activate and communicate its message if it receives sufficient stimulation. All-Or-None Law – The principle that either a neuron is sufficiently stimulated and an action potential occurs or a neuron is not sufficiently stimulated and an action potential does not occur. Neurotransmitters ...
... prepared to activate and communicate its message if it receives sufficient stimulation. All-Or-None Law – The principle that either a neuron is sufficiently stimulated and an action potential occurs or a neuron is not sufficiently stimulated and an action potential does not occur. Neurotransmitters ...
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... model], the PL arises from charge recombination processes across the broadened band gap of nanocrystalline Si (14). In our blue PL samples, the EQC model can be excluded because there is no pure Si in the sample. There are two possible origins for the blue PL in Gd3Ga5O12/SiO2. First, it is possible ...
... model], the PL arises from charge recombination processes across the broadened band gap of nanocrystalline Si (14). In our blue PL samples, the EQC model can be excluded because there is no pure Si in the sample. There are two possible origins for the blue PL in Gd3Ga5O12/SiO2. First, it is possible ...
A Small World of Neuronal Synchrony
... matched that of the screen background. For analysis, responses had to be pooled across all stimuli in order to ensure a sufficient sample size. We consider this pooling as appropriate in the present context because different stimulation conditions are likely to elicit different activation patterns, t ...
... matched that of the screen background. For analysis, responses had to be pooled across all stimuli in order to ensure a sufficient sample size. We consider this pooling as appropriate in the present context because different stimulation conditions are likely to elicit different activation patterns, t ...
Local Field Potential in the Visual System
... A pertinent question related to LFP signals is their spatial specificity, reflecting the degree to which they represent local activation within a region of cortex rather than mirroring activation that actually occurs at a distant site. Electrical signals observed locally may thus be due to transmitted ...
... A pertinent question related to LFP signals is their spatial specificity, reflecting the degree to which they represent local activation within a region of cortex rather than mirroring activation that actually occurs at a distant site. Electrical signals observed locally may thus be due to transmitted ...
The Ventrolateral Hypothalamic Area and the Parvafox Nucleus
... locate the parvafox nucleus with the available Nisslbased maps of the LHA and to discuss what is known about its embryonic development. In the third section, the connections of the parvafox nucleus are discussed in the context of what is known concerning the connections of the LHA generally. In the ...
... locate the parvafox nucleus with the available Nisslbased maps of the LHA and to discuss what is known about its embryonic development. In the third section, the connections of the parvafox nucleus are discussed in the context of what is known concerning the connections of the LHA generally. In the ...
vocabulary - anatomy and physiology one
... Name the cranial nerves that innervate the tongue. Name the cranial nerves involved in speech. Name the foramina the olfactory nerve must pass through to reach the brain. Name the foramen the optic nerve must pass through to reach the brain. Name the fissure the oculomotor nerve must pass through t ...
... Name the cranial nerves that innervate the tongue. Name the cranial nerves involved in speech. Name the foramina the olfactory nerve must pass through to reach the brain. Name the foramen the optic nerve must pass through to reach the brain. Name the fissure the oculomotor nerve must pass through t ...
REVIEWS - Institute for Applied Psychometrics
... central to the playing of music30 (e). LTD, long-term depression; LTP, long-term potentiation. ...
... central to the playing of music30 (e). LTD, long-term depression; LTP, long-term potentiation. ...
Field effects in the CNS play functional roles
... The latter occurs in a specialized region called the axon cap, with an extracellular volume resistivity that is approximately ninefold greater than the surrounding medium (Korn and Faber, 1975; Weiss et al., 2008). The axon cap surrounds the M-cell axon hillock and is penetrated by the unmyelinated ...
... The latter occurs in a specialized region called the axon cap, with an extracellular volume resistivity that is approximately ninefold greater than the surrounding medium (Korn and Faber, 1975; Weiss et al., 2008). The axon cap surrounds the M-cell axon hillock and is penetrated by the unmyelinated ...
fulltext
... subdivided into the external (GPe) and the internal segment (GPi), while in mice, the GPi is known as the entopeduncular nucleus (EP) 2. Two additional structures strongly associated with the basal ganglia are the substantia nigra pars compacta (SNc) and the subthalamic nucleus (STN) 3 (Figure 1). ...
... subdivided into the external (GPe) and the internal segment (GPi), while in mice, the GPi is known as the entopeduncular nucleus (EP) 2. Two additional structures strongly associated with the basal ganglia are the substantia nigra pars compacta (SNc) and the subthalamic nucleus (STN) 3 (Figure 1). ...
Capogna Curr Opin Neurobiol 2014
... neurons of amygdala and inhibitory circuits involved in fear encoding have recently been published [4–7]. The amygdala is one of the most powerful brain areas to address questions regarding the causal relationships between circuit function and behaviour. Remarkably, the physiological role of some sp ...
... neurons of amygdala and inhibitory circuits involved in fear encoding have recently been published [4–7]. The amygdala is one of the most powerful brain areas to address questions regarding the causal relationships between circuit function and behaviour. Remarkably, the physiological role of some sp ...
Circuits in Psychopharmacology
... the anatomical relationships of all the possible cuts that can be made through the brain by the various neuroimaging techniques available today. The modern psychopharmacologist should have some familiarity with the deeper structures of the brain so revealed by these techniques in order to interpret ...
... the anatomical relationships of all the possible cuts that can be made through the brain by the various neuroimaging techniques available today. The modern psychopharmacologist should have some familiarity with the deeper structures of the brain so revealed by these techniques in order to interpret ...
Asynchronous state
... In analytical studies the effect of common inputs is neglected (Amit, Brunel, …): only sparse networks are considered, where the connection probability decreases as 1/N. Correlations are zero by construction. However in the corresponding simulations the connection probability is not taken small (e.g ...
... In analytical studies the effect of common inputs is neglected (Amit, Brunel, …): only sparse networks are considered, where the connection probability decreases as 1/N. Correlations are zero by construction. However in the corresponding simulations the connection probability is not taken small (e.g ...
11 Attention
... Attention changes location prior to eye movement D. Wurtz, Goldberg, and Robinson: Record neural activity from Posterior Parietal Psychology 355 ...
... Attention changes location prior to eye movement D. Wurtz, Goldberg, and Robinson: Record neural activity from Posterior Parietal Psychology 355 ...
Prevalent Presence of Periodic Actin-spectrin-based
... Actin, spectrin and associated molecules form a periodic, sub-membrane cytoskeleton in the axons of neurons. For a better understanding of this membrane-associated periodic skeleton (MPS), it is important to address how prevalent this structure is in different neuronal types, different subcellular c ...
... Actin, spectrin and associated molecules form a periodic, sub-membrane cytoskeleton in the axons of neurons. For a better understanding of this membrane-associated periodic skeleton (MPS), it is important to address how prevalent this structure is in different neuronal types, different subcellular c ...
Distinct or Gradually Changing Spatial and Nonspatial
... out a continuous theta oscillation. Moreover, the nature of theta oscillation in the bat’s dorsal hippocampus was intermittent (Ulanovsky and Moss, 2007), much like the intermittent theta reported by Royer et al. (2010) in the rat ventral hippocampus. The existence of place cells without continuous ...
... out a continuous theta oscillation. Moreover, the nature of theta oscillation in the bat’s dorsal hippocampus was intermittent (Ulanovsky and Moss, 2007), much like the intermittent theta reported by Royer et al. (2010) in the rat ventral hippocampus. The existence of place cells without continuous ...
MacDermott Lab
... . Anesthetize the rat by placing it in an air-tight chamber and saturating the atmosphere with CO2 . Use the large scissors to kill the rat by cervical dislocation . Wipe the abdomen of the rat with ethanol . Cut through the skin, separate it from the peritoneum, and move the flaps of skin away from ...
... . Anesthetize the rat by placing it in an air-tight chamber and saturating the atmosphere with CO2 . Use the large scissors to kill the rat by cervical dislocation . Wipe the abdomen of the rat with ethanol . Cut through the skin, separate it from the peritoneum, and move the flaps of skin away from ...
Interneuron Diversity series: Circuit complexity and axon wiring
... patterns of class members in the intact brain. The complex wiring of diverse interneuron classes could represent an economic solution for supporting global synchrony and oscillations at multiple timescales with minimum axon length. One of the main challenges of neuroscience is to understand how comp ...
... patterns of class members in the intact brain. The complex wiring of diverse interneuron classes could represent an economic solution for supporting global synchrony and oscillations at multiple timescales with minimum axon length. One of the main challenges of neuroscience is to understand how comp ...
excitation and inhibition of the reflex eye withdrawal of the crab
... The common shore crab, Carcinus maenas, was used in all experiments. Isolated brains were prepared for electrophysiological studies by dissecting the anterior portion of the carapace away from the rest of the body leaving the eyes, brain and statocysts intact. The oesophageal connectives and part of ...
... The common shore crab, Carcinus maenas, was used in all experiments. Isolated brains were prepared for electrophysiological studies by dissecting the anterior portion of the carapace away from the rest of the body leaving the eyes, brain and statocysts intact. The oesophageal connectives and part of ...
Conduction Velocity and Patellar Reflex Blah A. Blah Parter 1
... Based on the results above, the conduction velocity informs us about the rate at which the neurons are firing and getting excited at the spinal cord. As the difficulty of task increase, the increase in gamma motor output makes the spindle muscles more sensitive, increasing the knee reflex. The stret ...
... Based on the results above, the conduction velocity informs us about the rate at which the neurons are firing and getting excited at the spinal cord. As the difficulty of task increase, the increase in gamma motor output makes the spindle muscles more sensitive, increasing the knee reflex. The stret ...
Trigeminal pathways handout
... 3. Diagram the corneal reflex: the afferent and efferent limbs as well as nuclei involved in the brainstem. 4. If a person does not blink, how would you determine if the problem were in the sensory (afferent) limb, motor (efferent) limb, or brainstem interconnections for the corneal reflex? 5. Expla ...
... 3. Diagram the corneal reflex: the afferent and efferent limbs as well as nuclei involved in the brainstem. 4. If a person does not blink, how would you determine if the problem were in the sensory (afferent) limb, motor (efferent) limb, or brainstem interconnections for the corneal reflex? 5. Expla ...
Conduction Velocity and Patellar Reflex Blah A. Blah Partner B
... Based on the results above, the conduction velocity informs us about the rate at which the neurons are firing and getting excited at the spinal cord. As the difficulty of task increase, the increase in gamma motor output makes the spindle muscles more sensitive, increasing the knee reflex. The stret ...
... Based on the results above, the conduction velocity informs us about the rate at which the neurons are firing and getting excited at the spinal cord. As the difficulty of task increase, the increase in gamma motor output makes the spindle muscles more sensitive, increasing the knee reflex. The stret ...
Simulations of neuromuscular control in lamprey swimming
... excitatory synapses to all other ipsilateral neurons, including the motor neurons. The E-type is believed to be the cause of sustained activity during a burst. The C-neurons inhibit all contralateral neurons and their primary role may therefore be to ensure that only one side is active at a time. Th ...
... excitatory synapses to all other ipsilateral neurons, including the motor neurons. The E-type is believed to be the cause of sustained activity during a burst. The C-neurons inhibit all contralateral neurons and their primary role may therefore be to ensure that only one side is active at a time. Th ...