
Biological Bases of Bx Test
... provided evidence that which region of the brain plays a role in personality and behavior? a. temporal lobes b. sensory cortex c. frontal lobes d. parietal lobes e. Broca's area ____ 32. An area at the rear of the frontal lobes that controls voluntary movements is called the a. angular gyrus. b. hyp ...
... provided evidence that which region of the brain plays a role in personality and behavior? a. temporal lobes b. sensory cortex c. frontal lobes d. parietal lobes e. Broca's area ____ 32. An area at the rear of the frontal lobes that controls voluntary movements is called the a. angular gyrus. b. hyp ...
Odorant-induced Oscillations in the Mushroom Bodies of
... whose absence leads to specific defects in olfactory learning. In honeybees, the volume of the mushroom body neuropils may depend on the age or social status of the individual. Although the anatomy of these neurons has been known for nearly a century, their physiological properties and the principle ...
... whose absence leads to specific defects in olfactory learning. In honeybees, the volume of the mushroom body neuropils may depend on the age or social status of the individual. Although the anatomy of these neurons has been known for nearly a century, their physiological properties and the principle ...
Mapping the Brain
... similar principles and similar puzzles as to how circuit function arises from the component neurons and their interactions. What do functional and anatomical maps reveal? We begin with the connectivity diagram of the stomatogastric ganglion (STG) of the crab, Cancer borealis (Fig. 1a) and a graph of ...
... similar principles and similar puzzles as to how circuit function arises from the component neurons and their interactions. What do functional and anatomical maps reveal? We begin with the connectivity diagram of the stomatogastric ganglion (STG) of the crab, Cancer borealis (Fig. 1a) and a graph of ...
Synaptic Regulation of Action Potential Timing in
... Intracellular recordings in vivo have revealed that giant neostriatal interneurons receive a constant barrage of depolarizing synaptic input (Wilson et al., 1990). In contrast to the spiny projection neurons, unitary synaptic potentials are readily discerned in the giant cells, and summation of only ...
... Intracellular recordings in vivo have revealed that giant neostriatal interneurons receive a constant barrage of depolarizing synaptic input (Wilson et al., 1990). In contrast to the spiny projection neurons, unitary synaptic potentials are readily discerned in the giant cells, and summation of only ...
Perception, action, and word meanings in the human brain: the case
... These results suggest that a brain region anterior to MT/MST may participate in matching motion words to their motion referents. However, for a number of reasons these data do not speak to whether MT/MST is engaged in action-verb comprehension. First, brain regions involved in understanding actual a ...
... These results suggest that a brain region anterior to MT/MST may participate in matching motion words to their motion referents. However, for a number of reasons these data do not speak to whether MT/MST is engaged in action-verb comprehension. First, brain regions involved in understanding actual a ...
Perception, action, and word meanings in the human brain
... These results suggest that a brain region anterior to MT/MST may participate in matching motion words to their motion referents. However, for a number of reasons these data do not speak to whether MT/MST is engaged in action-verb comprehension. First, brain regions involved in understanding actual a ...
... These results suggest that a brain region anterior to MT/MST may participate in matching motion words to their motion referents. However, for a number of reasons these data do not speak to whether MT/MST is engaged in action-verb comprehension. First, brain regions involved in understanding actual a ...
Reward-Dependent Spatial Selectivity of Anticipatory Activity in
... a memory-guided saccade task, in which only one out of four directions was rewarded in each block of trials, we found that a group of neurons in the monkey caudate nucleus (CD) showed activity before presentation of an instruction cue stimulus. Among 329 CD neurons that were related to memory-guided ...
... a memory-guided saccade task, in which only one out of four directions was rewarded in each block of trials, we found that a group of neurons in the monkey caudate nucleus (CD) showed activity before presentation of an instruction cue stimulus. Among 329 CD neurons that were related to memory-guided ...
Role of Lactobacillus plantarum MTCC1325 in membrane
... neurodegenerative disorder, clinically characterized by memory dysfunction and progressive loss of cognition. No curative therapeutic or drug is available for the complete cure of this disease. The present study was aimed to evaluate the efficacy of Lactobacillus plantarum MTCC1325 in ATPases activi ...
... neurodegenerative disorder, clinically characterized by memory dysfunction and progressive loss of cognition. No curative therapeutic or drug is available for the complete cure of this disease. The present study was aimed to evaluate the efficacy of Lactobacillus plantarum MTCC1325 in ATPases activi ...
A REVIEW ON THE PHARMACOLOGY AND TOXICOLOGY OF ACETYLCHOLINE RECEPTORS... THE NEUROMUSCULAR JUNCTION Original Article
... subclasses based on the role to be carried forward, the first being the skeletal muscle which is designated to the Neuromuscular Junction, second being the ganglionic class which produces transmission in the sympathetic and the parasympathetic nerve endings and the third being the CNS class confined ...
... subclasses based on the role to be carried forward, the first being the skeletal muscle which is designated to the Neuromuscular Junction, second being the ganglionic class which produces transmission in the sympathetic and the parasympathetic nerve endings and the third being the CNS class confined ...
Synaptogenesis in the human cortex occurs between - UvA-DARE
... development. It has been shown that EE enhances the number of neurons (cell survival) in the dentate gyrus, increases brain size, enhances gliogenesis, neurite branching and synapse formation in the cortex, and increases the synapse-to-neuron ratio (Reviewed in van Praag et al., 2000). A larger numb ...
... development. It has been shown that EE enhances the number of neurons (cell survival) in the dentate gyrus, increases brain size, enhances gliogenesis, neurite branching and synapse formation in the cortex, and increases the synapse-to-neuron ratio (Reviewed in van Praag et al., 2000). A larger numb ...
Neuronal Activity and Ion Homeostasis in the Hypoxic Brain
... Many of the individual processes playing a role have already been identified. These include cerebral energy consumption and metabolism, neuronal membrane voltage dynamics and action potential generation, synaptic functioning, changes in extra- and intracellular concentrations (ions, molecular messen ...
... Many of the individual processes playing a role have already been identified. These include cerebral energy consumption and metabolism, neuronal membrane voltage dynamics and action potential generation, synaptic functioning, changes in extra- and intracellular concentrations (ions, molecular messen ...
Two-photon imaging and analysis of neural network dynamics
... neuronal activity in living brains (‘in vivo’) has been the electrical recording of neural spikes, the extracellular signature of action potentials (APs) generated by neurons. This approach has been employed successfully for more than half a century on the microscopic level by extracellular recordin ...
... neuronal activity in living brains (‘in vivo’) has been the electrical recording of neural spikes, the extracellular signature of action potentials (APs) generated by neurons. This approach has been employed successfully for more than half a century on the microscopic level by extracellular recordin ...
Slide 1
... – Interneurons also make up the bulk of the neurons in the brain. These three neurons help make up the reflex arc- a fast reaction controlled in the spinal cord Psychology, Third Edition Saundra K. Ciccarelli • J. Noland White ...
... – Interneurons also make up the bulk of the neurons in the brain. These three neurons help make up the reflex arc- a fast reaction controlled in the spinal cord Psychology, Third Edition Saundra K. Ciccarelli • J. Noland White ...
Mirror Proposal 8-01 - USC - University of Southern California
... to propose models which place the mirror system in a broader perspective. As we have noted, our analysis of the monkey mirror system is to be seen as grounding efforts to understand the brain mechanisms underlying imitation in humans. For imitation, the key issue is the recognition of the structure ...
... to propose models which place the mirror system in a broader perspective. As we have noted, our analysis of the monkey mirror system is to be seen as grounding efforts to understand the brain mechanisms underlying imitation in humans. For imitation, the key issue is the recognition of the structure ...
Visual Categorization and the Primate Prefrontal Cortex
... meaningful groupings or categories. This process of abstracting and storing the commonalities among like-themed individuals is fundamental to cognitive processing because it imparts knowledge. For example, knowing that a new gadget is a “camera” instantly and effortlessly provides a great deal of in ...
... meaningful groupings or categories. This process of abstracting and storing the commonalities among like-themed individuals is fundamental to cognitive processing because it imparts knowledge. For example, knowing that a new gadget is a “camera” instantly and effortlessly provides a great deal of in ...
How the brain uses time to represent and process visual information
... Notions of distance that arise when working with spike trains as sequences of events are more general than distances based on vectors, and are not subject to the above constraints. Since the neural code is ‘read’ by other neurons, it is natural to consider notions of distance that are based on the b ...
... Notions of distance that arise when working with spike trains as sequences of events are more general than distances based on vectors, and are not subject to the above constraints. Since the neural code is ‘read’ by other neurons, it is natural to consider notions of distance that are based on the b ...
Central projections of auditory receptor neurons of crickets
... corresponding to ⬃20 m. There is no significant relationship along the A-P axis (Fig. 4B; n ⫽ 29, r2 ⫽ 0.054, P ⫽ 0.225). Nor is there a significant relationship between CF and M-L position within any of the three receptor populations (low-frequency receptors, n ⫽ 14, r2 ⫽ 0.06, P ⫽ 0.4; mid-frequenc ...
... corresponding to ⬃20 m. There is no significant relationship along the A-P axis (Fig. 4B; n ⫽ 29, r2 ⫽ 0.054, P ⫽ 0.225). Nor is there a significant relationship between CF and M-L position within any of the three receptor populations (low-frequency receptors, n ⫽ 14, r2 ⫽ 0.06, P ⫽ 0.4; mid-frequenc ...
CORTICAL AFFERENT INPUT TO THE PRINCIPALS REGION OF THE RHESUS MONKEY H.
... principalis sulcus in the prefrontal cortex were studied with horseradish peroxidase in macaque monkeys. The principalis cortex receives a substantial proportion of its projections from neighboring prefrontal regions. However, differences were noted in the distribution of labeled cells projecting to ...
... principalis sulcus in the prefrontal cortex were studied with horseradish peroxidase in macaque monkeys. The principalis cortex receives a substantial proportion of its projections from neighboring prefrontal regions. However, differences were noted in the distribution of labeled cells projecting to ...
Statistical mechanics of neocortical interactions: Constraints on 40
... retention of 7 ± 2 items [19]. This is true even for apparently exceptional memory performers who, while they may be capable of more efficient encoding and retrieval of STM, and while they may be more efficient in ‘‘chunking’’ larger patterns of information into single items, nevertheless are limite ...
... retention of 7 ± 2 items [19]. This is true even for apparently exceptional memory performers who, while they may be capable of more efficient encoding and retrieval of STM, and while they may be more efficient in ‘‘chunking’’ larger patterns of information into single items, nevertheless are limite ...
The organization of the cortical motor system: new concepts
... cortical convexity, F5c). Functional data confirm this morphological subdivision. Each of the 3 subdivisions of inferior area 6 is part of a different parieto-frontal circuit. The properties of the 3 circuits will be dealt with separately in the sections below. 6.1. The VIP-F4 circuit Area VIP occup ...
... cortical convexity, F5c). Functional data confirm this morphological subdivision. Each of the 3 subdivisions of inferior area 6 is part of a different parieto-frontal circuit. The properties of the 3 circuits will be dealt with separately in the sections below. 6.1. The VIP-F4 circuit Area VIP occup ...
Modulation of Inhibitory Synaptic Potentials in the Piriform Cortex
... on inhibitory synaptic potentials induced by stimulation of afferent fibers in layer Ia and association/intrinsic fibers in layer Ib. A simple model of piriform cortex as an associative memory was used to analyze how suppression of inhibitory synaptic transmission influenced performance of the netwo ...
... on inhibitory synaptic potentials induced by stimulation of afferent fibers in layer Ia and association/intrinsic fibers in layer Ib. A simple model of piriform cortex as an associative memory was used to analyze how suppression of inhibitory synaptic transmission influenced performance of the netwo ...
serotonin
... Serotonin, or 5-hydroxytryptamine (5-HT), has been implicated in almost every conceivable physiologic or behavioral function—affect, aggression, appetite, cognition, emesis, endocrine function, gastrointestinal function, motor function, neurotrophism, perception, sensory function, sex, sleep, and va ...
... Serotonin, or 5-hydroxytryptamine (5-HT), has been implicated in almost every conceivable physiologic or behavioral function—affect, aggression, appetite, cognition, emesis, endocrine function, gastrointestinal function, motor function, neurotrophism, perception, sensory function, sex, sleep, and va ...
Spontaneous firing patterns of identified spiny neurons in the rat
... or never exhibit antidromic responses to stimulation of substantia nigra21. Pure excitatory orthodromic responses are, on the other hand, more commonly reported for otherwise silent neurons, and these may also respond antidromically, to nigral stimulation21,27. Findings of this type have led some in ...
... or never exhibit antidromic responses to stimulation of substantia nigra21. Pure excitatory orthodromic responses are, on the other hand, more commonly reported for otherwise silent neurons, and these may also respond antidromically, to nigral stimulation21,27. Findings of this type have led some in ...
Peripheral and Central Mechanisms of Pain Generation
... In daily life the sensation pain is specifically evoked by potential or actual noxious (i.e. tissue damaging) stimuli applied to the body such as heat, squeezing a skin fold or over-rotating a joint. The predictable correlation between the noxious stimulus and the pain sensation causes us to avoid be ...
... In daily life the sensation pain is specifically evoked by potential or actual noxious (i.e. tissue damaging) stimuli applied to the body such as heat, squeezing a skin fold or over-rotating a joint. The predictable correlation between the noxious stimulus and the pain sensation causes us to avoid be ...
ACTIN CYTOSKELETON REGULATION IN NEURONAL
... For instance, pioneer sensory axons growing from grasshopper explants lose their pathfinding capability upon cytochalasin treatment but still maintain their ability to grow (Bentley & Toroian-Raymond, 1986). Under these conditions sensory neuron growth cones are also devoid of filopodia, suggesting ...
... For instance, pioneer sensory axons growing from grasshopper explants lose their pathfinding capability upon cytochalasin treatment but still maintain their ability to grow (Bentley & Toroian-Raymond, 1986). Under these conditions sensory neuron growth cones are also devoid of filopodia, suggesting ...