Cocaine and Amphetamines (PDF Available)
... The euphoria associated with the amphetamines and cocaine appears to involve a brain transmitter chemically similar to norepinephrine but found in different groups of neurons. The transmitter is dopamine, and the neurons are located in the ventral tegmental area of the midbrain. These neurons send ax ...
... The euphoria associated with the amphetamines and cocaine appears to involve a brain transmitter chemically similar to norepinephrine but found in different groups of neurons. The transmitter is dopamine, and the neurons are located in the ventral tegmental area of the midbrain. These neurons send ax ...
Neural Control of Breathing (By Mohit Chhabra)
... neurons extends along most of the length of the medulla. Most of its neurons are located within the nucleus of the tractus solitarius. ...
... neurons extends along most of the length of the medulla. Most of its neurons are located within the nucleus of the tractus solitarius. ...
Jennifer Ichida
... Ichida JM, Schwabe L, Bressloff PC, Angelucci A (2005) Feedback mediated facilitation and suppression from the receptive field surround of macaque V1 neurons. 2005 Abstracts Viewer/Itinerary Planner. Washington, DC: Society for Neuroscience. CD-ROM Jeffs J, Ichida JM, Angelucci A (2005)Additional an ...
... Ichida JM, Schwabe L, Bressloff PC, Angelucci A (2005) Feedback mediated facilitation and suppression from the receptive field surround of macaque V1 neurons. 2005 Abstracts Viewer/Itinerary Planner. Washington, DC: Society for Neuroscience. CD-ROM Jeffs J, Ichida JM, Angelucci A (2005)Additional an ...
Life: The Science of Biology, 8e
... damage results in slow or lost speech but a person can read and understand language; • Wernicke’s area is in the temporal lobe, damage results in an inability to speak sensibly, as written or spoken language is not understood, a person may still be able to produce speech; • angular gyrus is adjacent ...
... damage results in slow or lost speech but a person can read and understand language; • Wernicke’s area is in the temporal lobe, damage results in an inability to speak sensibly, as written or spoken language is not understood, a person may still be able to produce speech; • angular gyrus is adjacent ...
Functional circuitry underlying visual neglect
... presented in the contralesional hemifield. Neglect has been elicited in experimental models of the rat, cat and monkey, and is thought to result in part from a pathological state of inhibition exerted on the damaged hemisphere by the hyperexcited intact hemisphere. We sought to test this theory by a ...
... presented in the contralesional hemifield. Neglect has been elicited in experimental models of the rat, cat and monkey, and is thought to result in part from a pathological state of inhibition exerted on the damaged hemisphere by the hyperexcited intact hemisphere. We sought to test this theory by a ...
Golgi: a life in science - Oxford Academic
... providing a profound insight that reset biology. Cajal had a similar role in neuroanatomy. Heinrich Wilhelm Gottfried von Waldeyer-Hartz (1836–1921) had coined the term ‘neuron’ for the nerve cell and was an ardent supporter of the neuron doctrine. It was Cajal who gave it the anatomical support. Ca ...
... providing a profound insight that reset biology. Cajal had a similar role in neuroanatomy. Heinrich Wilhelm Gottfried von Waldeyer-Hartz (1836–1921) had coined the term ‘neuron’ for the nerve cell and was an ardent supporter of the neuron doctrine. It was Cajal who gave it the anatomical support. Ca ...
Histamine reduces firing and bursting of anterior and intralaminar
... Fig. 3. Bursts (sequences of potentials with an interspike interval B 4 ms) and spikes of two intralaminar thalamic neurons during different conditions. Abscissa: time (bar: 100 s). The periods of drug administration are marked. Each vertical line represents a burst or a spike. Top: Bursts with a si ...
... Fig. 3. Bursts (sequences of potentials with an interspike interval B 4 ms) and spikes of two intralaminar thalamic neurons during different conditions. Abscissa: time (bar: 100 s). The periods of drug administration are marked. Each vertical line represents a burst or a spike. Top: Bursts with a si ...
Drives and emotions: the hypothalamus and limbic system
... providing us with a degree of voluntary control over responses that may be physiologically desirable but do not fit the current circumstances in some other way (e.g., "grin and bear it"). The cerebellum and basal ganglia also have connections with the hypothalamus, but their roles in the planning an ...
... providing us with a degree of voluntary control over responses that may be physiologically desirable but do not fit the current circumstances in some other way (e.g., "grin and bear it"). The cerebellum and basal ganglia also have connections with the hypothalamus, but their roles in the planning an ...
Responses of the Human Brain to Mild Dehydration and
... ANOVA was applied to the spectroscopic estimates of these metabolites, brain tissue fluid, and serum parameters to test for experimental changes with time (ie, different levels of hydration) by using a significance level P ⱕ .05, which corresponds to a type I error probability of ⱕ5%. Thus, in the r ...
... ANOVA was applied to the spectroscopic estimates of these metabolites, brain tissue fluid, and serum parameters to test for experimental changes with time (ie, different levels of hydration) by using a significance level P ⱕ .05, which corresponds to a type I error probability of ⱕ5%. Thus, in the r ...
Document
... Assume: choices or actions a are taken at random, according to a probabilistic “policy”: p(a = yellow) = 0.5 p(a = blue) = 0.5 p(a = blue) + p(a = yellow) = 1 ...
... Assume: choices or actions a are taken at random, according to a probabilistic “policy”: p(a = yellow) = 0.5 p(a = blue) = 0.5 p(a = blue) + p(a = yellow) = 1 ...
Document
... approaches because he was beat up on the playground the last 3 days in a row. Certain smells that can elicit nauseous sensations (Hopefully NOT from the cafeteria!) Speech phobia : cold sweat, shaking knees and ...
... approaches because he was beat up on the playground the last 3 days in a row. Certain smells that can elicit nauseous sensations (Hopefully NOT from the cafeteria!) Speech phobia : cold sweat, shaking knees and ...
The basic nonuniformity of the cerebral cortex
... mm2 that was predicted by Rockel et al. (10) from which a nominal value of 147,000/mm2 was corrected for 18% shrinkage in each of two dimensions (P ⫽ 0.1903, one sample t test). Because exclusion of Tupaia sp. from the analyses did not modify the results (data not shown), all comparisons henceforth ...
... mm2 that was predicted by Rockel et al. (10) from which a nominal value of 147,000/mm2 was corrected for 18% shrinkage in each of two dimensions (P ⫽ 0.1903, one sample t test). Because exclusion of Tupaia sp. from the analyses did not modify the results (data not shown), all comparisons henceforth ...
A first-principle for the nervous system
... clustering of these associations to form “islets.” There should be specific coding for each association within each islet so that they can be specifically activated. Each new associative learning event will add new signatures pertaining to the unique features of the sensory stimuli. Continuation of ...
... clustering of these associations to form “islets.” There should be specific coding for each association within each islet so that they can be specifically activated. Each new associative learning event will add new signatures pertaining to the unique features of the sensory stimuli. Continuation of ...
Mechanisms to synchronize neuronal activity
... cortex (area 17) of anesthetized cats (Gray and Singer 1989; Gray et al. 1990) a broad peak in the frequency spectrum has been found in the range 35±70 Hz. This is in line with results by Eckhorn et al. (1988) who reported an even broader distribution of oscillation frequencies in areas 17 and 18 of ...
... cortex (area 17) of anesthetized cats (Gray and Singer 1989; Gray et al. 1990) a broad peak in the frequency spectrum has been found in the range 35±70 Hz. This is in line with results by Eckhorn et al. (1988) who reported an even broader distribution of oscillation frequencies in areas 17 and 18 of ...
Reflex Conditioning
... The nearly unimaginable significance of the fact that learning takes place is illustrated by the following experiment with a desk. If I do nothing to a desk, it does nothing in return. If I say lookout to a desk, the desk continues to do nothing. I could say lookout and then kick the desk and repeat ...
... The nearly unimaginable significance of the fact that learning takes place is illustrated by the following experiment with a desk. If I do nothing to a desk, it does nothing in return. If I say lookout to a desk, the desk continues to do nothing. I could say lookout and then kick the desk and repeat ...
Context Dependency in the Globus Pallidus Internal Segment
... 1993). All of these studies provide evidence for the great ...
... 1993). All of these studies provide evidence for the great ...
Neurochemical excitation of propriospinal neurons facilitates
... were converted to an appropriate binary format for further analysis with the use of special purpose software (developed by the Spinal Cord Research Centre, University of Manitoba). In some preparations, hemisections were made in the rostral (right T1/T2) and contralateral caudal (left T10/T11) thora ...
... were converted to an appropriate binary format for further analysis with the use of special purpose software (developed by the Spinal Cord Research Centre, University of Manitoba). In some preparations, hemisections were made in the rostral (right T1/T2) and contralateral caudal (left T10/T11) thora ...
The Suprachiasmatic Nucleus Gets Split: Why Does Cortisol
... each bout of locomotion (9). To determine the hypothalamic basis for the pituitary response, GnRH neuronal activation was monitored; hamsters showed parallel leftright asymmetry in Fos expression in the SCN and in preoptic area GnRH neurons, suggesting that each LH surge was mediated by sided SCN-pr ...
... each bout of locomotion (9). To determine the hypothalamic basis for the pituitary response, GnRH neuronal activation was monitored; hamsters showed parallel leftright asymmetry in Fos expression in the SCN and in preoptic area GnRH neurons, suggesting that each LH surge was mediated by sided SCN-pr ...
Granger causality analysis of state dependent functional connectivity
... swallowing [1]. Previous studies employing single electrode recording techniques [2], [3] have shown that majority of neurons in MIo show activity related to rhythmic chewing, preswallowing and/or swallowing. However, how functional connectivity in network of spiking neurons changes depending on dif ...
... swallowing [1]. Previous studies employing single electrode recording techniques [2], [3] have shown that majority of neurons in MIo show activity related to rhythmic chewing, preswallowing and/or swallowing. However, how functional connectivity in network of spiking neurons changes depending on dif ...
Activity 1 - Web Adventures
... and on to other places. Suddenly, the signal reached a synapse (have first neurotransmitter person come up). This was it. There was a gap and the electrical signal could not go across it. All of a sudden though, some chemicals, neurotransmitters, went across the gap and on to the dendrites of the se ...
... and on to other places. Suddenly, the signal reached a synapse (have first neurotransmitter person come up). This was it. There was a gap and the electrical signal could not go across it. All of a sudden though, some chemicals, neurotransmitters, went across the gap and on to the dendrites of the se ...
The language of action: verbs, simulation and motor chains
... “automatically” we refer to the fact that the representation of affordances of objects is elicited independently of the performance of the experimental task. Tucker and Ellis (2004) and Borghi, Glenberg, and Kaschak (2004) performed various experiments using a compatibility paradigm to investigate w ...
... “automatically” we refer to the fact that the representation of affordances of objects is elicited independently of the performance of the experimental task. Tucker and Ellis (2004) and Borghi, Glenberg, and Kaschak (2004) performed various experiments using a compatibility paradigm to investigate w ...
Neural correlates of incidental and directed facial emotion
... at fearful faces, with development. Abnormal brain maturation during adolescence may affect development of these three nodes, with consequent dysregulation in their interactions that may increase vulnerability to mood and anxiety disorders in adolescence (Nelson et al., 2005). One way to test whethe ...
... at fearful faces, with development. Abnormal brain maturation during adolescence may affect development of these three nodes, with consequent dysregulation in their interactions that may increase vulnerability to mood and anxiety disorders in adolescence (Nelson et al., 2005). One way to test whethe ...