The Nervous System
... Neurotransmitter is released into the synaptic cleft when the vesicle fuses with the membrane (presynaptic neuron) NT diffuses across the cleft and binds to the receptors on the dendrite of the next neuron (postsynaptic neuron) Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cumm ...
... Neurotransmitter is released into the synaptic cleft when the vesicle fuses with the membrane (presynaptic neuron) NT diffuses across the cleft and binds to the receptors on the dendrite of the next neuron (postsynaptic neuron) Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cumm ...
Anatomical and Neurochemical Definition of the Nucleus of the Stria
... surface of the preoptic area and in the nucleus paraventricularis. They are also seen more laterally in the lateral and dorsal thalamic areas (see Fig. 2E–H). In addition, VT-ir cells and fibers are observed in a discrete area located above and caudal to the anterior commissure, where they have neve ...
... surface of the preoptic area and in the nucleus paraventricularis. They are also seen more laterally in the lateral and dorsal thalamic areas (see Fig. 2E–H). In addition, VT-ir cells and fibers are observed in a discrete area located above and caudal to the anterior commissure, where they have neve ...
Histamine reduces firing and bursting of anterior and intralaminar
... during and 50.3 after histamine in the late response phase for anterior neurons; Wt, P B 0.005, n= 46; mean 32.4 bursts per 100 s control to 27.8 during and 23.8 after histamine for intralaminar neurons). Although changes in the number of burst discharges positively correlated with changes in the fi ...
... during and 50.3 after histamine in the late response phase for anterior neurons; Wt, P B 0.005, n= 46; mean 32.4 bursts per 100 s control to 27.8 during and 23.8 after histamine for intralaminar neurons). Although changes in the number of burst discharges positively correlated with changes in the fi ...
Document
... area is divided by rami into those two gyri (Brodmann’s areas 44, 45) ❼Frontal eye field :responsible for the saccadic eye movement ; the tracking movement of the eye , if some object is moving and I'm tracing it with my eyes the movement has certain pattern ,we call it saccadic eye movement (motor ...
... area is divided by rami into those two gyri (Brodmann’s areas 44, 45) ❼Frontal eye field :responsible for the saccadic eye movement ; the tracking movement of the eye , if some object is moving and I'm tracing it with my eyes the movement has certain pattern ,we call it saccadic eye movement (motor ...
sion to superior salivatory neurons in rats
... Abstract : The primary parasympathetic center of the submandibular and sublingual salivary glands is the superior salivatory (SS) nucleus, and its neurons receive excitatory (glutamatergic) and inhibitory (GABAergic and glycinergic) synaptic transmissions in rats. In the present study, we focused on ...
... Abstract : The primary parasympathetic center of the submandibular and sublingual salivary glands is the superior salivatory (SS) nucleus, and its neurons receive excitatory (glutamatergic) and inhibitory (GABAergic and glycinergic) synaptic transmissions in rats. In the present study, we focused on ...
PPT
... – Maps for the direction of either arm or eye movements that the monkey is intending to perform(SUA) – Direction of planned arm and eye movements(LFP) – Tuning widths for movement directions(LFP, SUA) LFP in general shows responses properties similar to that of the neurons recorded in the same brain ...
... – Maps for the direction of either arm or eye movements that the monkey is intending to perform(SUA) – Direction of planned arm and eye movements(LFP) – Tuning widths for movement directions(LFP, SUA) LFP in general shows responses properties similar to that of the neurons recorded in the same brain ...
Text - ETH E
... hypothetical temporal stimulus representations have also been referred to as ‘complete serial compound stimulus’ (Sutton & Barto, 1990) or ‘spectral timing mechanism’ (Brown, Bullock, & Grossberg, 1999). A temporal stimulus representation is necessary to reproduce the depression of dopamine activity ...
... hypothetical temporal stimulus representations have also been referred to as ‘complete serial compound stimulus’ (Sutton & Barto, 1990) or ‘spectral timing mechanism’ (Brown, Bullock, & Grossberg, 1999). A temporal stimulus representation is necessary to reproduce the depression of dopamine activity ...
SLEEP AND EEG
... Sleep is an active process, brain overall activity is not reduced. Sleeping people are not consciously aware of surrounding, but they have inward conscious experience e.g. dreams. They can be aroused by external stimuli e.g. alarm. Coma It is total unresponsiveness of a living person to exte ...
... Sleep is an active process, brain overall activity is not reduced. Sleeping people are not consciously aware of surrounding, but they have inward conscious experience e.g. dreams. They can be aroused by external stimuli e.g. alarm. Coma It is total unresponsiveness of a living person to exte ...
Negative BOLD in Sensory Cortices During
... information, which would result in crossmodal deactivations in other sensory cortices which are irrelevant to the task at hand. To test this hypothesis, a group of 9 sighted individuals were scanned while performing a memory retrieval task for highly abstract words (i.e., with low imaginability scor ...
... information, which would result in crossmodal deactivations in other sensory cortices which are irrelevant to the task at hand. To test this hypothesis, a group of 9 sighted individuals were scanned while performing a memory retrieval task for highly abstract words (i.e., with low imaginability scor ...
Hierarchical Processing of Auditory Objects in Humans
... separately using AIC and BIC, in eight participants. In this figure, we have assumed all models were equally likely a priori. This allows us to treat the normalised marginal likelihood as the conditional probability of each model. Model 1 is the optimal model over all participants, with the exception ...
... separately using AIC and BIC, in eight participants. In this figure, we have assumed all models were equally likely a priori. This allows us to treat the normalised marginal likelihood as the conditional probability of each model. Model 1 is the optimal model over all participants, with the exception ...
Olfactory Coding in the Honeybee Lateral Horn
... code as they elicit different spatial activity maps. Comparison of the coding principles between AL and LH shows a strong conservation of response intensity and odor-similarity relationships. Consequently, similarity relationships recorded in the LH allow predicting honeybees’ generalization behavio ...
... code as they elicit different spatial activity maps. Comparison of the coding principles between AL and LH shows a strong conservation of response intensity and odor-similarity relationships. Consequently, similarity relationships recorded in the LH allow predicting honeybees’ generalization behavio ...
PDF - Stanford University
... In attempting to gain a more comprehensive understanding of the development and maintenance of these symptoms, over the past two decades investigators have used neuroimaging techniques to examine the neural substrates of MDD. In this review we present findings from this body of research, identifying ...
... In attempting to gain a more comprehensive understanding of the development and maintenance of these symptoms, over the past two decades investigators have used neuroimaging techniques to examine the neural substrates of MDD. In this review we present findings from this body of research, identifying ...
Chapter 7 - Psychology
... He observed that some wounded WW II soldiers didn't mind the pain that much because it removed them from the chance of further injury or death. conditioning - Both classical and operant, plays a role in pain. For many, the sound of the dentist's drill has been "classically conditioned" as a stimulus ...
... He observed that some wounded WW II soldiers didn't mind the pain that much because it removed them from the chance of further injury or death. conditioning - Both classical and operant, plays a role in pain. For many, the sound of the dentist's drill has been "classically conditioned" as a stimulus ...
Kaan Yücel M.D., Ph.D. http://fhs122.org
... connective tissue cells of the nervous system. The neurons have te feature of excitability. The neuroglia do not have this feature. The neuroglia are known as macroglia, ependymal cells and microglia. The microglia are the macrophages of the nervous system. 1- They serve as supporting elements. They ...
... connective tissue cells of the nervous system. The neurons have te feature of excitability. The neuroglia do not have this feature. The neuroglia are known as macroglia, ependymal cells and microglia. The microglia are the macrophages of the nervous system. 1- They serve as supporting elements. They ...
Comparison of linear signal processing techniques to infer directed
... most preferable. New time-variant methods for the quantification of neural information transfer are desired. Indeed, such model-related time-variant methods have been introduced successfully for burst pattern analysis [5–7]. Previously, for the quantification of information transfer between thalamic a ...
... most preferable. New time-variant methods for the quantification of neural information transfer are desired. Indeed, such model-related time-variant methods have been introduced successfully for burst pattern analysis [5–7]. Previously, for the quantification of information transfer between thalamic a ...
Biology 231
... membrane and less ATP (energy) is used to pump them back Synapses Between Neurons presynaptic neuron – sending neuron (axon synaptic end bulb) postsynaptic neuron – receiving neuron (dendrite) synaptic cleft – small space between 2 communicating neurons an action potential in the presynaptic neuron ...
... membrane and less ATP (energy) is used to pump them back Synapses Between Neurons presynaptic neuron – sending neuron (axon synaptic end bulb) postsynaptic neuron – receiving neuron (dendrite) synaptic cleft – small space between 2 communicating neurons an action potential in the presynaptic neuron ...
Auditory cortex
... Heschl’s gyrus representing early sensory analysis. Speech signals activated larger portion of auditory cortex than nonspeech sounds in posterior superior temporal gyrus and superior temporal sulcus, but there was no difference in activation between words, pseudowords and reversed speech. The conc ...
... Heschl’s gyrus representing early sensory analysis. Speech signals activated larger portion of auditory cortex than nonspeech sounds in posterior superior temporal gyrus and superior temporal sulcus, but there was no difference in activation between words, pseudowords and reversed speech. The conc ...
Corticobasal Syndrome Associated With the A9D Progranulin Mutation
... reduced on the left hand. Rapid alternating movements were bilaterally impaired (left > right). The finger-to-nose test was past-pointing and slow bilaterally. Deep tendon reflexes were normal on the right and slightly hyperactive on the left. A jaw jerk was also noted. Proprioception and graphesthe ...
... reduced on the left hand. Rapid alternating movements were bilaterally impaired (left > right). The finger-to-nose test was past-pointing and slow bilaterally. Deep tendon reflexes were normal on the right and slightly hyperactive on the left. A jaw jerk was also noted. Proprioception and graphesthe ...
Rhythmicity, randomness and synchrony in climbing fiber signals
... The role of the climbing fiber input to the cerebellum has been enigmatic, with recent studies focusing on its temporal and spatial firing patterns. Debate remains as to whether climbing fibers provide a periodic clock for coordinating movements or lead to long-term modification of Purkinje cell act ...
... The role of the climbing fiber input to the cerebellum has been enigmatic, with recent studies focusing on its temporal and spatial firing patterns. Debate remains as to whether climbing fibers provide a periodic clock for coordinating movements or lead to long-term modification of Purkinje cell act ...
Biology 358 — Neuroanatomy First Exam
... ------------------------------------------------------------------------------------------------------------------------You must answer all questions on this exam. Because statistics demonstrate that, on average, between 2-5 questions on every exam are ambiguous enough to come out “aberrant” on an i ...
... ------------------------------------------------------------------------------------------------------------------------You must answer all questions on this exam. Because statistics demonstrate that, on average, between 2-5 questions on every exam are ambiguous enough to come out “aberrant” on an i ...
Reticular formation,sleep and wakefulness
... • Unconciousness state from which a person can be aroused by sensory or other stimuli; • Has multiple stages: from very deep to very light sleep; • It’s divided into two entirely different types of sleep that have different quantities & alternate: slow- wave sleep (NREM) & rapid eye movement sleep ( ...
... • Unconciousness state from which a person can be aroused by sensory or other stimuli; • Has multiple stages: from very deep to very light sleep; • It’s divided into two entirely different types of sleep that have different quantities & alternate: slow- wave sleep (NREM) & rapid eye movement sleep ( ...
7. MODELING THE SOMATOTOPIC MAP 7.1 The Somatotopic Map
... image area in the somatosensory cortex. Interestingly, the neural projections giving rise to these images are not rigid. Instead, they can change under the influence of sensory experience or as the result of a loss of sensory input, e.g., after nerve damage. The necessary modifications of the connec ...
... image area in the somatosensory cortex. Interestingly, the neural projections giving rise to these images are not rigid. Instead, they can change under the influence of sensory experience or as the result of a loss of sensory input, e.g., after nerve damage. The necessary modifications of the connec ...
Testing upper motor neuron function in amyotrophic lateral sclerosis
... Nonetheless, in amyotrophic lateral sclerosis, there is strong evidence for increased cortical excitability in early phases of the disease progression, suggesting either an initial phase in which the lower motor neuron demise is compensated or representing the initial pathogenic disturbance leading ...
... Nonetheless, in amyotrophic lateral sclerosis, there is strong evidence for increased cortical excitability in early phases of the disease progression, suggesting either an initial phase in which the lower motor neuron demise is compensated or representing the initial pathogenic disturbance leading ...
Comparison of Neural Network and Statistical
... multi-layer perceptron has an accuracy of about 65% in predicting the direction of price movements of greater than 8 pips. This evidence argues in favour of thresholding the MLP’s ...
... multi-layer perceptron has an accuracy of about 65% in predicting the direction of price movements of greater than 8 pips. This evidence argues in favour of thresholding the MLP’s ...
Neurons in the corpus callosum of the cat during postnatal
... boundaries of the CC, and in the adult to the rostrum of the CC close to the septum pellucidum or to the indusium griseum. Although origin and function of transient CC neurons in development and in adulthood remain unknown, they are likely to be interstitial neurons. Some of them have well-developed ...
... boundaries of the CC, and in the adult to the rostrum of the CC close to the septum pellucidum or to the indusium griseum. Although origin and function of transient CC neurons in development and in adulthood remain unknown, they are likely to be interstitial neurons. Some of them have well-developed ...