descending projections from the trigeminal ganglion and
... ponted out by Sessle (73) in his review, these neurons do not supply the tooth pulp so it receives innervation by thin myelinated A and unmyelinated C nociceptive fibers originating exclusively from TG neurons. Nowadays, it is well documented that, like the dual innervation of the periodontal ligam ...
... ponted out by Sessle (73) in his review, these neurons do not supply the tooth pulp so it receives innervation by thin myelinated A and unmyelinated C nociceptive fibers originating exclusively from TG neurons. Nowadays, it is well documented that, like the dual innervation of the periodontal ligam ...
Spontaneous activity in developing sensory circuits
... The cerebral cortex is never quiet (Fox and Raichle, 2007). Even primary sensory regions are consistently active in the absence of sensory input, including during states of unconsciousness such as non-REM sleep and anesthesia (Bianciardi et al., 2009; Hasenstaub et al., 2007; Leopold and Logothetis, ...
... The cerebral cortex is never quiet (Fox and Raichle, 2007). Even primary sensory regions are consistently active in the absence of sensory input, including during states of unconsciousness such as non-REM sleep and anesthesia (Bianciardi et al., 2009; Hasenstaub et al., 2007; Leopold and Logothetis, ...
Pain
... a. naked nerve endings surrounded by accessory tissues Pacinian corpuscle b. cilia like structures - mechanosensory, olfactory, retina c. those with true axons - mechanosensory, olfactory use electrical signaling d. those without true axons - gustatory, primarily use chemical signaling (may ge ...
... a. naked nerve endings surrounded by accessory tissues Pacinian corpuscle b. cilia like structures - mechanosensory, olfactory, retina c. those with true axons - mechanosensory, olfactory use electrical signaling d. those without true axons - gustatory, primarily use chemical signaling (may ge ...
Differential effects of 10-Hz and 40
... separate attention systems with somewhat different time courses and effects on behavior and neural activity. While these EEG and MEG studies have provided insight into the links between neural activity and behavior, the evidence obtained using these methods is ultimately only correlational. Demonstr ...
... separate attention systems with somewhat different time courses and effects on behavior and neural activity. While these EEG and MEG studies have provided insight into the links between neural activity and behavior, the evidence obtained using these methods is ultimately only correlational. Demonstr ...
Beyond dreams: do sleep-related movements
... Conventional wisdom has long held that the twitches of sleeping infants and adults are byproducts of a dreaming brain. With the discovery of active (or REM) sleep in the 1950s and the recognition soon thereafter that active sleep is characterized by inhibition of motor outflow, researchers elaborate ...
... Conventional wisdom has long held that the twitches of sleeping infants and adults are byproducts of a dreaming brain. With the discovery of active (or REM) sleep in the 1950s and the recognition soon thereafter that active sleep is characterized by inhibition of motor outflow, researchers elaborate ...
Experimental Diabetic Neuropathy With Spontaneous
... neuropathy and indicate that overt, irretrievable loss of sensory neurons is one of its features, despite collateral reinnervation of target organs. Sensory neurons deserve unique protective strategies irrespective of islet cell reconstitution. Diabetes 54:830 – 837, 2005 ...
... neuropathy and indicate that overt, irretrievable loss of sensory neurons is one of its features, despite collateral reinnervation of target organs. Sensory neurons deserve unique protective strategies irrespective of islet cell reconstitution. Diabetes 54:830 – 837, 2005 ...
The Big Picture File
... • Motor aspects are under our conscious and voluntary control • CNS control of somatic muscles: arises in pre-central region of the cortex • Then via cranial nerves and spinal nerves to all skeletal muscles ...
... • Motor aspects are under our conscious and voluntary control • CNS control of somatic muscles: arises in pre-central region of the cortex • Then via cranial nerves and spinal nerves to all skeletal muscles ...
Aalborg Universitet Assessment of sensory convergence in the spinal cord
... The afferent fibers are classified according to their conduction velocity, which basically reflects the thickness and degree of myelinization of the fibers. Afferent fibers innervating the skin are Aα/βfibers which are thick myalinated fast conducting (36 – 120 m/s), Aδ-fibers which are thin myalina ...
... The afferent fibers are classified according to their conduction velocity, which basically reflects the thickness and degree of myelinization of the fibers. Afferent fibers innervating the skin are Aα/βfibers which are thick myalinated fast conducting (36 – 120 m/s), Aδ-fibers which are thin myalina ...
Imagery and Perception Share Cortical
... activation patterns in fMRI. Thus, training a SVC on activation patterns evoked during imagery and testing it on activation patterns evoked during perception amounts to testing whether imagery and perception share representations. 5-fold cross-validation was carried out by repeating the classificatio ...
... activation patterns in fMRI. Thus, training a SVC on activation patterns evoked during imagery and testing it on activation patterns evoked during perception amounts to testing whether imagery and perception share representations. 5-fold cross-validation was carried out by repeating the classificatio ...
Ulanovsky et al., 2003
... 1981; Watanabe and Simada, 1971). However, responses in the auditory cortex tend to follow lower repetition rates (Creutzfeldt et al., 1980; Miller et al., 2002; Yao et al., 2015), and recover more slowly from sensory stimulation (Fitzpatrick et al., 1999), suggesting that forward suppression is, in ...
... 1981; Watanabe and Simada, 1971). However, responses in the auditory cortex tend to follow lower repetition rates (Creutzfeldt et al., 1980; Miller et al., 2002; Yao et al., 2015), and recover more slowly from sensory stimulation (Fitzpatrick et al., 1999), suggesting that forward suppression is, in ...
Predictions not commands: active inference in the motor system
... how causes interact: e.g. that objects maintain a constant size irrespective of their distance from the observer. This inferential process is fundamentally Bayesian, as it involves the construction of a posterior probability density from a prior distribution over causes and sensory data. The brain c ...
... how causes interact: e.g. that objects maintain a constant size irrespective of their distance from the observer. This inferential process is fundamentally Bayesian, as it involves the construction of a posterior probability density from a prior distribution over causes and sensory data. The brain c ...
The Peripheral Nervous System
... Motor (efferent) signals are carried away from the CNS, innervate muscles and glands Divided according to region they serve ...
... Motor (efferent) signals are carried away from the CNS, innervate muscles and glands Divided according to region they serve ...
Document
... Stroke, also known as cerebrovascular accident (CVA), cerebrovascular insult (CVI), or brain attack, is when poor blood flow to the brain results in cell death. There are two main types of stroke: ischemic, due to lack of blood flow, and hemorrhagic, due to bleeding. They result in part of the brain ...
... Stroke, also known as cerebrovascular accident (CVA), cerebrovascular insult (CVI), or brain attack, is when poor blood flow to the brain results in cell death. There are two main types of stroke: ischemic, due to lack of blood flow, and hemorrhagic, due to bleeding. They result in part of the brain ...
L
... stop having them when they take medications.3 The remaining one-third may be candidates for resective epilepsy surgery. An accurate description of the seizure semiology is the first step in identifying the epileptogenic cortex. The physician combines this with high-resolution MRI, EEG, and video-EEG ...
... stop having them when they take medications.3 The remaining one-third may be candidates for resective epilepsy surgery. An accurate description of the seizure semiology is the first step in identifying the epileptogenic cortex. The physician combines this with high-resolution MRI, EEG, and video-EEG ...
Alterations to multisensory and unisensory integration by stimulus
... was positioned on a microdrive stage and lowered into the SC. After reaching the superficial layers of the SC, the electrode was advanced with the hydraulic microdrive while monitoring neural activity and presenting search stimuli. Single neuron activity was recorded, amplified, and then sent to an ...
... was positioned on a microdrive stage and lowered into the SC. After reaching the superficial layers of the SC, the electrode was advanced with the hydraulic microdrive while monitoring neural activity and presenting search stimuli. Single neuron activity was recorded, amplified, and then sent to an ...
Acceleration of visually cued conditioned fear through the
... contribution of inputs involves gain of function, in which an existing structure is driven by novel inputs and acquires a new or enhanced role. Experiments in rewired ferrets, in which retinal projections are directed to the medial geniculate nucleus (MGN) at birth, indicate that the auditory thalam ...
... contribution of inputs involves gain of function, in which an existing structure is driven by novel inputs and acquires a new or enhanced role. Experiments in rewired ferrets, in which retinal projections are directed to the medial geniculate nucleus (MGN) at birth, indicate that the auditory thalam ...
Patterned, But Not Tonic, Optogenetic Stimulation in Motor
... 12 h light/dark cycle with restricted food (18 g/d) and free water access. All experiments were conducted during the rats’ dark cycle. Before surgery, rats were trained to perform reach-to-grasp movements for 7 d (15 min/d), and the dominant paw was determined as described previously (Parr-Brownlie ...
... 12 h light/dark cycle with restricted food (18 g/d) and free water access. All experiments were conducted during the rats’ dark cycle. Before surgery, rats were trained to perform reach-to-grasp movements for 7 d (15 min/d), and the dominant paw was determined as described previously (Parr-Brownlie ...
Effect of Tactile Inputs on Thalamic Responses to Noxious
... colorectal sensory processing is more important than that of the ventrolateral pathways to the thalamic ventrobasal complex. Most DC-ML neurons that respond to visceral painful stimuli are also sensitive to gentle skin manipulation, such as brushing (Al-Chaer et al. 1996a,b, 1997a, 1998); therefore ...
... colorectal sensory processing is more important than that of the ventrolateral pathways to the thalamic ventrobasal complex. Most DC-ML neurons that respond to visceral painful stimuli are also sensitive to gentle skin manipulation, such as brushing (Al-Chaer et al. 1996a,b, 1997a, 1998); therefore ...
Genetic Analysis of Brain Circuits Underlying Pheromone Signaling
... are excreted to the outside by an individual and received by a second individual of the same species in which they release a specific reaction, for example a definite behavior or developmental process” (31). Pheromones have been shown in insect, fish, and mammal to trigger genetically preprogrammed set ...
... are excreted to the outside by an individual and received by a second individual of the same species in which they release a specific reaction, for example a definite behavior or developmental process” (31). Pheromones have been shown in insect, fish, and mammal to trigger genetically preprogrammed set ...
Development of Structure and Sensitivity of the Fish Inner Ear
... related to the evolution and function of sensory systems in vertebrates. The comparative data obtained from different levels of the auditory system, from the peripheral to the central auditory system, is by far the richest among all sensory systems. However, despite our growing knowledge in auditory ...
... related to the evolution and function of sensory systems in vertebrates. The comparative data obtained from different levels of the auditory system, from the peripheral to the central auditory system, is by far the richest among all sensory systems. However, despite our growing knowledge in auditory ...
Brain Stimulation for Neurological and Psychiatric Disorders
... Anderson did show, however, a reduced burst firing pattern during DBS, which may support the notion that DBS may exert its therapeutic effects via a modulation of basal ganglia firing patterns rather than by changing firing rates. Similar results have also been observed with a rodent model of DBS (C ...
... Anderson did show, however, a reduced burst firing pattern during DBS, which may support the notion that DBS may exert its therapeutic effects via a modulation of basal ganglia firing patterns rather than by changing firing rates. Similar results have also been observed with a rodent model of DBS (C ...
Chapter 8: The Nervous System
... 49. Describe how the spinal cord acts as a reflex center and a relay center. Ans: The gray matter of the spinal cord contains the sensory neurons, interneurons, and motor neurons involved in spinal reflexes. The white matter of the spinal cord contains nerve tracts composed of nerve fibers carrying ...
... 49. Describe how the spinal cord acts as a reflex center and a relay center. Ans: The gray matter of the spinal cord contains the sensory neurons, interneurons, and motor neurons involved in spinal reflexes. The white matter of the spinal cord contains nerve tracts composed of nerve fibers carrying ...
Chapter 8: The Nervous System
... 49. Describe how the spinal cord acts as a reflex center and a relay center. Ans: The gray matter of the spinal cord contains the sensory neurons, interneurons, and motor neurons involved in spinal reflexes. The white matter of the spinal cord contains nerve tracts composed of nerve fibers carrying ...
... 49. Describe how the spinal cord acts as a reflex center and a relay center. Ans: The gray matter of the spinal cord contains the sensory neurons, interneurons, and motor neurons involved in spinal reflexes. The white matter of the spinal cord contains nerve tracts composed of nerve fibers carrying ...
Sensory Nerves in Adult Rats Regenerate and Restore Sensory
... field expanded at the slowest rate of the three modalities studied. We did not make systematic studies on the maximum extent of reinnervation. However, both the pinch- and the heat-sensitive areas would not only reconstitute the original fields, but after some 4-5 weeks growth they could significant ...
... field expanded at the slowest rate of the three modalities studied. We did not make systematic studies on the maximum extent of reinnervation. However, both the pinch- and the heat-sensitive areas would not only reconstitute the original fields, but after some 4-5 weeks growth they could significant ...