Neuronal control of leech behavior - Emory Biology
... and physiological properties. 4. Intracellular neuronal activity can be recorded readily because the somata are relatively large (10–80 mm) and every soma is visible in segmental ganglia. These properties also make optical recording feasible. 5. Long, easily accessible peripheral nerves allow for st ...
... and physiological properties. 4. Intracellular neuronal activity can be recorded readily because the somata are relatively large (10–80 mm) and every soma is visible in segmental ganglia. These properties also make optical recording feasible. 5. Long, easily accessible peripheral nerves allow for st ...
Cell-intrinsic drivers of dendrite morphogenesis
... Exuberant dendrite arbors are then pruned with the elimination of some processes but not others, yielding the dendrites that will persist after development. These remaining dendrites undergo a process of differentiation and maturation, whereby they develop specialized structures suited to the format ...
... Exuberant dendrite arbors are then pruned with the elimination of some processes but not others, yielding the dendrites that will persist after development. These remaining dendrites undergo a process of differentiation and maturation, whereby they develop specialized structures suited to the format ...
Toward Nanometer-Scale Sensing System
... comprises its response profile. The Firestein study also provided additional support for the one neuron-one receptor-type hypothesis. It was found that forcing an increase in the number of receptor neurons expressing a particular gene led to an increase in sensitivity to odorants within the receptor ...
... comprises its response profile. The Firestein study also provided additional support for the one neuron-one receptor-type hypothesis. It was found that forcing an increase in the number of receptor neurons expressing a particular gene led to an increase in sensitivity to odorants within the receptor ...
- Wiley Online Library
... Abbreviations CCHS, congenital central hypoventilation syndrome; cVRG, caudal ventral respiratory group (VRC segment that contains abdominal premotor neurons); DIA, depolarization-induced intracellular alkalization; GPCR, G protein-coupled receptor; NTS, nucleus of the solitary tract; P aCO2 , parti ...
... Abbreviations CCHS, congenital central hypoventilation syndrome; cVRG, caudal ventral respiratory group (VRC segment that contains abdominal premotor neurons); DIA, depolarization-induced intracellular alkalization; GPCR, G protein-coupled receptor; NTS, nucleus of the solitary tract; P aCO2 , parti ...
Amygdala Modulation of Cerebellar Learning
... a type of associative motor learning. The current study was designed to determine the behavioral nature of amygdala– cerebellum interactions, to identify the neural pathways underlying amygdala– cerebellum interactions, and to examine how the amygdala influences cerebellar learning mechanisms in rat ...
... a type of associative motor learning. The current study was designed to determine the behavioral nature of amygdala– cerebellum interactions, to identify the neural pathways underlying amygdala– cerebellum interactions, and to examine how the amygdala influences cerebellar learning mechanisms in rat ...
Learning-related postburst afterhyperpolarization reduction in CA1
... (Iso) is a !-adrenergic agonist that is commonly used to activate PKA (21, 42, 43) and has been used to suppress the postburst AHP (21, 39). Thus, we tested for the potential PKA involvement in maintaining the learning-related AHP reduction by changing the perfusate to an aCSF with 1 "M Iso and repe ...
... (Iso) is a !-adrenergic agonist that is commonly used to activate PKA (21, 42, 43) and has been used to suppress the postburst AHP (21, 39). Thus, we tested for the potential PKA involvement in maintaining the learning-related AHP reduction by changing the perfusate to an aCSF with 1 "M Iso and repe ...
Prefrontal Cortex Activity during Flexible Categorization
... tation (100 – 600 ms after sample onset), memory delay (300 –1100 ms 45, 46, and 12). Isolated neurons were not prescreened for task-related after sample offset), and test image presentation [100 ms after test onset activity such as stimulus or category sensitivity. Rather, we recorded to 2 SDs befo ...
... tation (100 – 600 ms after sample onset), memory delay (300 –1100 ms 45, 46, and 12). Isolated neurons were not prescreened for task-related after sample offset), and test image presentation [100 ms after test onset activity such as stimulus or category sensitivity. Rather, we recorded to 2 SDs befo ...
FREE Sample Here
... 15. Regarding the nervous system, which of the following statements is FALSE? a. Nerves are not the same as neurons and can be visible to the human eye. b. The nervous system has more than one type of neuron. c. There are more neurons than glial cells in the nervous system. d. A nerve is best define ...
... 15. Regarding the nervous system, which of the following statements is FALSE? a. Nerves are not the same as neurons and can be visible to the human eye. b. The nervous system has more than one type of neuron. c. There are more neurons than glial cells in the nervous system. d. A nerve is best define ...
Nicotine excites hypothalamic arcuate anorexigenic
... 1 M ACh evoked a membrane depolarization of 3.2 ⫾ 0.6 mV (n ⫽ 6; Fig. 3A, left) and 100 M ACh evoked a depolarization of 8.8 ⫾ 0.6 mV (n ⫽ 6; Fig. 3A, right). We then studied the pharmacology of the nicotine receptors in POMC neurons. The experiments were conducted in the presence of TTX (0.5 M). ...
... 1 M ACh evoked a membrane depolarization of 3.2 ⫾ 0.6 mV (n ⫽ 6; Fig. 3A, left) and 100 M ACh evoked a depolarization of 8.8 ⫾ 0.6 mV (n ⫽ 6; Fig. 3A, right). We then studied the pharmacology of the nicotine receptors in POMC neurons. The experiments were conducted in the presence of TTX (0.5 M). ...
Ectopic Expression of the Neuropeptide Pigment
... each brain. These were later mounted in a single picture with the help of Corel PHOTO-PAI N T; then the picture was converted into gray scale. The staining intensity of single pixels was scored in gray scale units on the mounted digital pictures using the commercial program DP-soft and DOK U (Olympu ...
... each brain. These were later mounted in a single picture with the help of Corel PHOTO-PAI N T; then the picture was converted into gray scale. The staining intensity of single pixels was scored in gray scale units on the mounted digital pictures using the commercial program DP-soft and DOK U (Olympu ...
Firing activities of auditory cortical neurons during categorical task
... or different. Such discriminations could be performed for different qualities of sounds (D'Amato and Colombo, 1985; Kojima, 1985; Wright et al., 1990; Sinnott and Kreiter, 1991; Fitch et al., 1993; Sakurai, 1994; Wetzel et al., 1998b). Simple relational concepts, however, are not sufficient for the ...
... or different. Such discriminations could be performed for different qualities of sounds (D'Amato and Colombo, 1985; Kojima, 1985; Wright et al., 1990; Sinnott and Kreiter, 1991; Fitch et al., 1993; Sakurai, 1994; Wetzel et al., 1998b). Simple relational concepts, however, are not sufficient for the ...
“left or right” Decision-making beyond
... mechanism, where sensory evidence is accumulated over time until a decision criterion is reached. The details of this decision mechanism, whether it is linear or nonlinear, with more emphasis on early or late evidence, and the way it is actually implemented in the brain, are, however, still open to ...
... mechanism, where sensory evidence is accumulated over time until a decision criterion is reached. The details of this decision mechanism, whether it is linear or nonlinear, with more emphasis on early or late evidence, and the way it is actually implemented in the brain, are, however, still open to ...
Plastic Effect of Tetanic Stimulation on Auditory Evoked Potentials
... changes in the central nervous system in response to altered patterns of stimulation. In sensory and motor systems, demands for transmitting sensory or motor information within these systems can change when there (1) are altered patterns of stimulation (peripheral or central) and/or (2) is a loss of ...
... changes in the central nervous system in response to altered patterns of stimulation. In sensory and motor systems, demands for transmitting sensory or motor information within these systems can change when there (1) are altered patterns of stimulation (peripheral or central) and/or (2) is a loss of ...
Imaging development and plasticity in the mouse visual system
... environmental challenges, external cues and experiences should take their part in setting up and shaping a precisely connected nervous system. Thus, particularly in higher-order organisms, experience and learning play an important role in development and throughout life. Despite great effort, the de ...
... environmental challenges, external cues and experiences should take their part in setting up and shaping a precisely connected nervous system. Thus, particularly in higher-order organisms, experience and learning play an important role in development and throughout life. Despite great effort, the de ...
Neocortical Very Fast Oscillations (Ripples, 80–200 Hz) During
... Downloaded from http://jn.physiology.org/ by 10.220.32.247 on June 12, 2017 ...
... Downloaded from http://jn.physiology.org/ by 10.220.32.247 on June 12, 2017 ...
Altered fear learning across development in both mouse and human
... PSYCHOLOGICAL AND COGNITIVE SCIENCES ...
... PSYCHOLOGICAL AND COGNITIVE SCIENCES ...
NEURAL NETWORKS
... spurius, false) disturbances and yet short enough to respond to meaningful changes in the environment; the problem described here is referred to as the stability-plasticity dilema (Grossberg, 1988). Adaptivity (or “in situ,(L.)in the original situation” training as it is sometimes referred to) is an ...
... spurius, false) disturbances and yet short enough to respond to meaningful changes in the environment; the problem described here is referred to as the stability-plasticity dilema (Grossberg, 1988). Adaptivity (or “in situ,(L.)in the original situation” training as it is sometimes referred to) is an ...
Modulation of Inhibitory Synaptic Potentials in the Piriform Cortex
... In these equations, W represents the average strength of excitatory synapses arising from cortical pyramidal cells and synapsing on other excitatory neurons. If neuronal output is in spikes/ms, then synaptic strength reflects the change in membrane voltage per spike (mV/ spike) because of the membra ...
... In these equations, W represents the average strength of excitatory synapses arising from cortical pyramidal cells and synapsing on other excitatory neurons. If neuronal output is in spikes/ms, then synaptic strength reflects the change in membrane voltage per spike (mV/ spike) because of the membra ...
2906_lect8
... If the effect does exist, there are doubts about whether the hormonal information is communicated through smell or touch ...
... If the effect does exist, there are doubts about whether the hormonal information is communicated through smell or touch ...
Axonal Localization of Integrins in the CNS Is Neuronal Type and
... blocks this growth through inactivation of integrins (Tan et al., 2011). Forced activation of integrins can allow axons to overcome this inhibition (Hu and Strittmatter, 2008; Tan et al. 2011). By increasing the pool of ␣9 integrin in DRG neurons using adeno-associated virus (AAV), a modest increase ...
... blocks this growth through inactivation of integrins (Tan et al., 2011). Forced activation of integrins can allow axons to overcome this inhibition (Hu and Strittmatter, 2008; Tan et al. 2011). By increasing the pool of ␣9 integrin in DRG neurons using adeno-associated virus (AAV), a modest increase ...
nervous tissue, 030717
... Neurons and muscle fibers are electrical excitable—they respond to certain types of stimuli to transduce energy to action potentials. ...
... Neurons and muscle fibers are electrical excitable—they respond to certain types of stimuli to transduce energy to action potentials. ...