Somatosensory processes subserving perception and action
... been suggested. Brochier et al. (1994) and Rossetti and colleagues proposed that thalamic projections to the PPC, bypassing the APC and the VPL, may be responsible (Rossetti 1998; Rossetti et al. 2001). Brochier et al. (1994) and Rossetti et al. (2001) identified projections from the posterior later ...
... been suggested. Brochier et al. (1994) and Rossetti and colleagues proposed that thalamic projections to the PPC, bypassing the APC and the VPL, may be responsible (Rossetti 1998; Rossetti et al. 2001). Brochier et al. (1994) and Rossetti et al. (2001) identified projections from the posterior later ...
Reflex Testing in The Laboratory
... signals are sent out (motor or efferent; EE fair unt) to the effector organ. In simple stretch reflexes, only two neurons are involved: sensory and motor, graphic, above. In this figure, a stretch reflex is illustrated. The way it works is in this manner: 1) a tendon is stimulated (in this illustra ...
... signals are sent out (motor or efferent; EE fair unt) to the effector organ. In simple stretch reflexes, only two neurons are involved: sensory and motor, graphic, above. In this figure, a stretch reflex is illustrated. The way it works is in this manner: 1) a tendon is stimulated (in this illustra ...
Auditory Pathways and Processes
... In a technical report the American Speech and Hearing Association (ASHA, 2005) identified seven central auditory processing mechanisms: (a) sound localization, (b) lateralization, (c) discrimination, (d) pattern recognition, (e) temporal aspects of audition, including temporal integration, temporal ...
... In a technical report the American Speech and Hearing Association (ASHA, 2005) identified seven central auditory processing mechanisms: (a) sound localization, (b) lateralization, (c) discrimination, (d) pattern recognition, (e) temporal aspects of audition, including temporal integration, temporal ...
Read as PDF
... innervates the periphery, whereas the lateral process is the primary point of contact with the B8 neurons (Rosen et al. 2000b). If peripherally generated spikes are to propagate from the medial process to the lateral process, impulses must be conducted through the relatively inexcitable somatic regi ...
... innervates the periphery, whereas the lateral process is the primary point of contact with the B8 neurons (Rosen et al. 2000b). If peripherally generated spikes are to propagate from the medial process to the lateral process, impulses must be conducted through the relatively inexcitable somatic regi ...
Involvement of GABAergic and cholinergic medial septal neurons in
... Hippocampal theta rhythm (HPC) may be important for various phenomena, including attention and acquisition of sensory information. Two types of HPC (types I and II) exist based on pharmacological, behavioral, and electrophysiological characteristics. Both types occur during locomotion, whereas onl ...
... Hippocampal theta rhythm (HPC) may be important for various phenomena, including attention and acquisition of sensory information. Two types of HPC (types I and II) exist based on pharmacological, behavioral, and electrophysiological characteristics. Both types occur during locomotion, whereas onl ...
Neurophysiological effects of spinal manipulation
... Smaller-diameter sensory nerve fibers are likely activated, although this has not been demonstrated directly. Mechanical and chemical changes in the intervertebral foramen caused by a herniated intervertebral disc can affect the dorsal roots and dorsal root ganglia, but it is not known if spinal man ...
... Smaller-diameter sensory nerve fibers are likely activated, although this has not been demonstrated directly. Mechanical and chemical changes in the intervertebral foramen caused by a herniated intervertebral disc can affect the dorsal roots and dorsal root ganglia, but it is not known if spinal man ...
Blood-Spinal Cord Barrier Alterations in Subacute and Chronic
... and then dehydrated in a graded series of acetone dilutions. Tissues were transferred to a 50:50 mix of acetone and LX112 epoxy resin embedding mix (Ladd Research Industries, Burlington, VT) and infiltrated with the mix for 1 hour. The tissues were then transferred to a 100% LX112 embedding mix and ...
... and then dehydrated in a graded series of acetone dilutions. Tissues were transferred to a 50:50 mix of acetone and LX112 epoxy resin embedding mix (Ladd Research Industries, Burlington, VT) and infiltrated with the mix for 1 hour. The tissues were then transferred to a 100% LX112 embedding mix and ...
The Motor System
... peripheral nerves that remain uncrossed. The distribution is myotomal because skeletal muscles are innervated by peripheral nerves that originate from selected levels of the spinal cord. ...
... peripheral nerves that remain uncrossed. The distribution is myotomal because skeletal muscles are innervated by peripheral nerves that originate from selected levels of the spinal cord. ...
Eye fields in the frontal lobes of primates
... Two eye fields have been identified in the frontal lobes of primates: one is situated dorsomedially within the frontal cortex and will be referred to as the eye field within the dorsomedial frontal cortex ŽDMFC.; the other resides dorsolaterally within the frontal cortex and is commonly referred to ...
... Two eye fields have been identified in the frontal lobes of primates: one is situated dorsomedially within the frontal cortex and will be referred to as the eye field within the dorsomedial frontal cortex ŽDMFC.; the other resides dorsolaterally within the frontal cortex and is commonly referred to ...
CRANIAL NERVES: Functional Anatomy
... to try reading it sometime, though, because it covers topics that students find troublesome but which aid understanding if properly appreciated. If you persevere with Part I you might be rewarded with, at the very least, a warm inward glow when the light finally dawns on some previously murky corner ...
... to try reading it sometime, though, because it covers topics that students find troublesome but which aid understanding if properly appreciated. If you persevere with Part I you might be rewarded with, at the very least, a warm inward glow when the light finally dawns on some previously murky corner ...
Single-Trial Decoding of Visual Attention from Local Field Potentials
... across the visual field (Andersen et al., 2010). However, one potential problem with the use of spike signals recorded from chronic MEAs is that the isolation of single neurons deteriorates over short time periods (Dickey et al., 2009; Chestek et al., 2011; Perge et al., 2013), leaving LFPs as the o ...
... across the visual field (Andersen et al., 2010). However, one potential problem with the use of spike signals recorded from chronic MEAs is that the isolation of single neurons deteriorates over short time periods (Dickey et al., 2009; Chestek et al., 2011; Perge et al., 2013), leaving LFPs as the o ...
Sensory nerve conduction studies
... (stimulus duration 0.2 ms) the position of the recording electrode is excellent. Thresholds of more than 3 mA rarely give satisfactory recordings. Placement of reference electrode: Subcutaneously 20-30 mm proximal to the recording electrode. A surface reference electrode may be used instead of a nee ...
... (stimulus duration 0.2 ms) the position of the recording electrode is excellent. Thresholds of more than 3 mA rarely give satisfactory recordings. Placement of reference electrode: Subcutaneously 20-30 mm proximal to the recording electrode. A surface reference electrode may be used instead of a nee ...
Voluntary Movement: The Primary Motor Cortex
... an internal decision to act—whereas reflexes are automatically triggered by external stimuli. Even when a voluntary action is directed toward an object, such as reaching for a cup, the cause of action is not the object but an internal decision to interact with the object. The presence of the object ...
... an internal decision to act—whereas reflexes are automatically triggered by external stimuli. Even when a voluntary action is directed toward an object, such as reaching for a cup, the cause of action is not the object but an internal decision to interact with the object. The presence of the object ...
Document
... Determines whether you perceive a given sensation as fine touch, as pressure, or as vibration ...
... Determines whether you perceive a given sensation as fine touch, as pressure, or as vibration ...
Neural Integration I: Sensory Pathways and the Somatic Nervous
... Determines whether you perceive a given sensation as fine touch, as pressure, or as vibration ...
... Determines whether you perceive a given sensation as fine touch, as pressure, or as vibration ...
The Optic Tectum in Fishes
... The retinotectal map can also be investigated by electrophysiological recordings from tectum. A microelectrode inserted into the superficial layers of tectum (principally SFGS) picks up spiking activity that is briskly evoked by visual stimulation in a particular region of the visual field of the o ...
... The retinotectal map can also be investigated by electrophysiological recordings from tectum. A microelectrode inserted into the superficial layers of tectum (principally SFGS) picks up spiking activity that is briskly evoked by visual stimulation in a particular region of the visual field of the o ...
Serotonin in the inferior colliculus fluctuates with behavioral state
... sound-attenuated Faraday chamber. Mice were placed on a 10cm2 piece of laboratory tissue to separate them from the bedding material. A lightweight, flexible tether connected the recording and reference electrodes to a bipotentiostat (EI-400; Cypress Systems, Chelmsford, MA, USA) through an electric ...
... sound-attenuated Faraday chamber. Mice were placed on a 10cm2 piece of laboratory tissue to separate them from the bedding material. A lightweight, flexible tether connected the recording and reference electrodes to a bipotentiostat (EI-400; Cypress Systems, Chelmsford, MA, USA) through an electric ...
Applications of Transcutaneous Electrical Nerve State-of-the-Art Update
... The patients who used TENS for postoperative pain control required 30 times less pain medication than did those in the control group. Improved pulmonary function, appetite, and ambulation indicated an earlier recovery for those patients who used TENS than for those patients who did not. Because the ...
... The patients who used TENS for postoperative pain control required 30 times less pain medication than did those in the control group. Improved pulmonary function, appetite, and ambulation indicated an earlier recovery for those patients who used TENS than for those patients who did not. Because the ...
CNS 424 Block Educational Framework (Week 1)
... Define the terms upper and lower motor neurons with examples Describe the corticospinal (pyramidal) tract and the direct motor pathways from the cortex to the trunk and limbs. Briefly describe the indirect motor pathways from the cortex to the trunk and limbs through extrapyramidal tracts such as ru ...
... Define the terms upper and lower motor neurons with examples Describe the corticospinal (pyramidal) tract and the direct motor pathways from the cortex to the trunk and limbs. Briefly describe the indirect motor pathways from the cortex to the trunk and limbs through extrapyramidal tracts such as ru ...
Imaging development and plasticity in the mouse visual system
... environmental challenges, external cues and experiences should take their part in setting up and shaping a precisely connected nervous system. Thus, particularly in higher-order organisms, experience and learning play an important role in development and throughout life. Despite great effort, the de ...
... environmental challenges, external cues and experiences should take their part in setting up and shaping a precisely connected nervous system. Thus, particularly in higher-order organisms, experience and learning play an important role in development and throughout life. Despite great effort, the de ...
Central projections of the glossopharyngeal and
... orobranchial region in the fish serves as a source of exteroceptive information (Bullock et al., '77) because of the respiratory flow of water (the environmental medium) over the orobranchial region. Thus, branches of the vagal complex transmit either exteroceptive- or interocsptive-visceral informa ...
... orobranchial region in the fish serves as a source of exteroceptive information (Bullock et al., '77) because of the respiratory flow of water (the environmental medium) over the orobranchial region. Thus, branches of the vagal complex transmit either exteroceptive- or interocsptive-visceral informa ...
the amygdala and reward
... reward and positive affect. Stimulus–response learning seems to account for three of the five behaviours that argue against a role for the amygdala in reward processing. What might underlie the intact food preferences and object preferences of animals that have no amygdala? One possibility is that s ...
... reward and positive affect. Stimulus–response learning seems to account for three of the five behaviours that argue against a role for the amygdala in reward processing. What might underlie the intact food preferences and object preferences of animals that have no amygdala? One possibility is that s ...
THE AMYGDALA AND REWARD
... reward and positive affect. Stimulus–response learning seems to account for three of the five behaviours that argue against a role for the amygdala in reward processing. What might underlie the intact food preferences and object preferences of animals that have no amygdala? One possibility is that s ...
... reward and positive affect. Stimulus–response learning seems to account for three of the five behaviours that argue against a role for the amygdala in reward processing. What might underlie the intact food preferences and object preferences of animals that have no amygdala? One possibility is that s ...
A Brain-to-Brain Interface for Real
... n his seminal study on information transfer between biological organisms, Ralph Hartley wrote that ‘‘in any given communication the sender mentally selects a particular symbol and by some bodily motion, as his vocal mechanism, causes the receiver to be directed to that particular symbol’’1. Brain-ma ...
... n his seminal study on information transfer between biological organisms, Ralph Hartley wrote that ‘‘in any given communication the sender mentally selects a particular symbol and by some bodily motion, as his vocal mechanism, causes the receiver to be directed to that particular symbol’’1. Brain-ma ...
Ecology and Echolocation of Bats and Toothed Whales
... pulses need to be shortened with higher pulse repetition rates, to prevent masking of echoes caused by outgoing pulses or background noise caused by clutter (Schnitzler & Kalko, 2001). Single or multiple pulses are emitted on each upstroke of the wings, using the energy of the wing beat to produce s ...
... pulses need to be shortened with higher pulse repetition rates, to prevent masking of echoes caused by outgoing pulses or background noise caused by clutter (Schnitzler & Kalko, 2001). Single or multiple pulses are emitted on each upstroke of the wings, using the energy of the wing beat to produce s ...