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... task management Working memory for object-recall tasks Solving complex, multitask problems ...
... task management Working memory for object-recall tasks Solving complex, multitask problems ...
Cortical remodelling induced by activity of ventral tegmental
... Representations of more spectrally distant frequencies were unaltered. These positive and negative frequency-speci®c representational changes resulted in emergent sharp transitions in best frequency maps (Fig. 1b, indicated by the arrows; also see Figs 1e, f and 2a). Pairing procedures did not chang ...
... Representations of more spectrally distant frequencies were unaltered. These positive and negative frequency-speci®c representational changes resulted in emergent sharp transitions in best frequency maps (Fig. 1b, indicated by the arrows; also see Figs 1e, f and 2a). Pairing procedures did not chang ...
23. Parasympathetic nervous system
... Visceral sensory and autonomic neurons participate in visceral reflex arcs • Many are spinal reflexes such as defecation and micturition reflexes • Some only involve peripheral neurons: spinal cord not involved (not shown)* *e.g. “enteric” nervous system: 3 neuron reflex arcs entirely within the wa ...
... Visceral sensory and autonomic neurons participate in visceral reflex arcs • Many are spinal reflexes such as defecation and micturition reflexes • Some only involve peripheral neurons: spinal cord not involved (not shown)* *e.g. “enteric” nervous system: 3 neuron reflex arcs entirely within the wa ...
Anatomy Written Exam #2 Cranial Nerves Introduction Embryological
... 5. Inability to laterally gaze to side opposite lesion without double vision (diplopia) c. CN IV Trochlear Nerve GSE 1. Location: midbrain 2. Course of LMN: decussate and exit brainstem on dorsal surface 3. Innervate: CONTRALATERAL superior oblique muscle 4. No direct corticobulbar projections t ...
... 5. Inability to laterally gaze to side opposite lesion without double vision (diplopia) c. CN IV Trochlear Nerve GSE 1. Location: midbrain 2. Course of LMN: decussate and exit brainstem on dorsal surface 3. Innervate: CONTRALATERAL superior oblique muscle 4. No direct corticobulbar projections t ...
The Peripheral Nervous System and Reflex Activity
... All spinal nerves except C1 participate in dermatomes Extent of spinal cord injuries ascertained by affected dermatomes Most dermatomes overlap, so destruction of a single spinal nerve will not cause complete numbness ...
... All spinal nerves except C1 participate in dermatomes Extent of spinal cord injuries ascertained by affected dermatomes Most dermatomes overlap, so destruction of a single spinal nerve will not cause complete numbness ...
The influence of current direction on phosphene
... stimulation sites were investigated where phosphenes were restricted to one visual hemifield. Coil positions were stereotactically registered. Functional magnetic resonance imaging (fMRI) of retinotopic areas was performed in 5 subjects to individually characterize the borders of visual areas; TMS s ...
... stimulation sites were investigated where phosphenes were restricted to one visual hemifield. Coil positions were stereotactically registered. Functional magnetic resonance imaging (fMRI) of retinotopic areas was performed in 5 subjects to individually characterize the borders of visual areas; TMS s ...
Chapter 3 The Nervous System and the Brain
... neurons throughout the body, to and from the skin, joints, tendons, and skeletal muscles. The somatic nervous system also consists of peripheral nerve fibers that act as sensory senders of information to the central nervous system. It also consists of motor nerve fibers that send information to the ...
... neurons throughout the body, to and from the skin, joints, tendons, and skeletal muscles. The somatic nervous system also consists of peripheral nerve fibers that act as sensory senders of information to the central nervous system. It also consists of motor nerve fibers that send information to the ...
Hyperhidrosis Due to Thalamic Deep Brain Stimulation in a Patient
... seconds of activating contact 1, the patient developed profuse sweating of the left face, thorax, and arm. Magnetic resonance imaging of the brain confirmed lead positioning in the thalamus with a slightly inferior displacement extending to the superior cerebral peduncle. CONCLUSIONS: Although a rar ...
... seconds of activating contact 1, the patient developed profuse sweating of the left face, thorax, and arm. Magnetic resonance imaging of the brain confirmed lead positioning in the thalamus with a slightly inferior displacement extending to the superior cerebral peduncle. CONCLUSIONS: Although a rar ...
On the nature of the BOLD fMRI contrast mechanism
... radically modified by studies showing that V1 cells can actually integrate information over a much larger part of visual space than originally believed and may be an important part of the network underlying perceptual organization. Because their responses are not solely determined by the optimal sti ...
... radically modified by studies showing that V1 cells can actually integrate information over a much larger part of visual space than originally believed and may be an important part of the network underlying perceptual organization. Because their responses are not solely determined by the optimal sti ...
Behavioural Brain Research Multisensory contributions to the
... the last decade, the stress has been primarily placed on a few particular modality pairings (i.e., audio-visual being the most prominent one, possibly followed by visuo-tactile) and perceptual domains (i.e., spatial perception, speech perception, object recognition, and more recently, temporal perce ...
... the last decade, the stress has been primarily placed on a few particular modality pairings (i.e., audio-visual being the most prominent one, possibly followed by visuo-tactile) and perceptual domains (i.e., spatial perception, speech perception, object recognition, and more recently, temporal perce ...
MODULE 4: MOTOR AND SOMATOSENSORY PATHWAYS
... spinothalamic tract and other anterolateral pathways, somatosensory cortex, central modulation of pain, and the thalamus. The key clinical concepts will include paresthesias, spinal cord lesions, sensory loss, patterns and localization, spinal cord syndromes. The book will provide the details of the ...
... spinothalamic tract and other anterolateral pathways, somatosensory cortex, central modulation of pain, and the thalamus. The key clinical concepts will include paresthesias, spinal cord lesions, sensory loss, patterns and localization, spinal cord syndromes. The book will provide the details of the ...
the central nervous system
... body is contralateral (opposite) – The left primary motor gyrus controls muscles on the right side of the body, and vice versa – Misleading: a given muscle is controlled by multiple spots on the cortex and that individual cortical motor neurons actually send impulses to more than one muscle • In oth ...
... body is contralateral (opposite) – The left primary motor gyrus controls muscles on the right side of the body, and vice versa – Misleading: a given muscle is controlled by multiple spots on the cortex and that individual cortical motor neurons actually send impulses to more than one muscle • In oth ...
Multimodal imaging and the neural basis of EEG and fMRI
... position of the experiment subject during the simultaneous recording (supine rather than sitting upright) and the loud noise caused by the MRI gradient system are all factors altering the experimental effects. Study of spontaneous (paradigm-free) brain activity, such as natural variations in EEG bac ...
... position of the experiment subject during the simultaneous recording (supine rather than sitting upright) and the loud noise caused by the MRI gradient system are all factors altering the experimental effects. Study of spontaneous (paradigm-free) brain activity, such as natural variations in EEG bac ...
GEORGIA INSTITUTE OF TECHNOLOGY
... specialists have revealed functional abnormalities of the brain, especially for the evaluation of comatose states. Hypotheses have since been developed encouraging the notion that pyramidal cells of the cerebral cortex are the source of EEG, an acronym for Electroencephalogram, voltages. EEG is a de ...
... specialists have revealed functional abnormalities of the brain, especially for the evaluation of comatose states. Hypotheses have since been developed encouraging the notion that pyramidal cells of the cerebral cortex are the source of EEG, an acronym for Electroencephalogram, voltages. EEG is a de ...
The peripheral nervous system links the brain to the “real” world
... • Color sensitivity depends on opsin structure, not light-absorbing molecule • Humans (~ 50% analogy with a.a. of rods) ...
... • Color sensitivity depends on opsin structure, not light-absorbing molecule • Humans (~ 50% analogy with a.a. of rods) ...
Chapter 12: The Central Nervous System
... Recently shown to “light up” as we prepare to think or even think about voluntary activities other than speech ...
... Recently shown to “light up” as we prepare to think or even think about voluntary activities other than speech ...
Similar Inhibitory Processes Dominate the Responses of Cat Lateral
... ( PRH ) , entorhinal ( ENT ) , basomedial, and LAT stimulation were investigated. Regardless of stimulation site, responses consisted of an excitatory postsynaptic potential (EPSP ) that either preceded and was truncated by an inhibitory postsynaptic potential ( IPSP) or occurred just after the IPSP ...
... ( PRH ) , entorhinal ( ENT ) , basomedial, and LAT stimulation were investigated. Regardless of stimulation site, responses consisted of an excitatory postsynaptic potential (EPSP ) that either preceded and was truncated by an inhibitory postsynaptic potential ( IPSP) or occurred just after the IPSP ...
Role of motor cortex in voluntary movements Eye
... – PPC provides integrated somatosensory and visual information to area 6, which is necessary for the programming of motor sequences. ...
... – PPC provides integrated somatosensory and visual information to area 6, which is necessary for the programming of motor sequences. ...
Unit One: Introduction to Physiology: The Cell and General Physiology
... contrast in the perceived spatial pattern a. Virtually every sensory pathway, when excited, gives rise simultaneously to lateral inhibitory signals b. Importance of lateral inhibition is that it blocks the lateral spread of excitatory signals and therefore, increases the degree of contrast in the se ...
... contrast in the perceived spatial pattern a. Virtually every sensory pathway, when excited, gives rise simultaneously to lateral inhibitory signals b. Importance of lateral inhibition is that it blocks the lateral spread of excitatory signals and therefore, increases the degree of contrast in the se ...
The cutaneous sensory system Neuroscience and Biobehavioral
... differing frequencies of vibration are used to quantify the response properties of this sensory system. George von Bekesy (1939) was the first to use vibratory stimuli as an extension of his research interests in audition. In a typical experiment participants would be asked to respond with a simple b ...
... differing frequencies of vibration are used to quantify the response properties of this sensory system. George von Bekesy (1939) was the first to use vibratory stimuli as an extension of his research interests in audition. In a typical experiment participants would be asked to respond with a simple b ...
Axons, but not cell bodies, are activated by electrical stimulation in
... multiple inputs both from local neurons and from structures with which the connections are usually reciprocal and where axons possess arborization both locally and at distance from the parent neuron. The series of experiments reported in that paper was aimed at determining whether cell bodies or axo ...
... multiple inputs both from local neurons and from structures with which the connections are usually reciprocal and where axons possess arborization both locally and at distance from the parent neuron. The series of experiments reported in that paper was aimed at determining whether cell bodies or axo ...
Fatigue and Inhibition
... Summation is the reinforcement of the action of one stimulus, or one facilitation, by that of another. If one touch on the skin or one slight sound or one glimmer of light is not enough to affect behavior, two together may sum their effects and be able to do so. This is part of the reason why a stro ...
... Summation is the reinforcement of the action of one stimulus, or one facilitation, by that of another. If one touch on the skin or one slight sound or one glimmer of light is not enough to affect behavior, two together may sum their effects and be able to do so. This is part of the reason why a stro ...
Cutaneous mechanoreceptors
... endings are clustered into specialized epithelial structures called "touch domes" or "hair disks". Merkel receptors are also located in the mammary glands. Wherever they are found, the epithelium is arranged to optimize the transfer of pressure to the ending. Their somewhat rigid structure, and the ...
... endings are clustered into specialized epithelial structures called "touch domes" or "hair disks". Merkel receptors are also located in the mammary glands. Wherever they are found, the epithelium is arranged to optimize the transfer of pressure to the ending. Their somewhat rigid structure, and the ...
Outline - MrGalusha.org
... conduct most pain signals • It also contains larger fibers that conduct most other sensory signals • When tissue is injured small nerve fibers activate and open the neural gate • Large fiber activity shuts that gate • Thus if you stimulate gate closing activity by massage electrical signal or acupun ...
... conduct most pain signals • It also contains larger fibers that conduct most other sensory signals • When tissue is injured small nerve fibers activate and open the neural gate • Large fiber activity shuts that gate • Thus if you stimulate gate closing activity by massage electrical signal or acupun ...