Sources of the Scalp-Recorded Amplitude
... Ranjan Batrat Douglas C. Fitzpatrick§ Natacha Teissier* William R. D'Angelo* ...
... Ranjan Batrat Douglas C. Fitzpatrick§ Natacha Teissier* William R. D'Angelo* ...
Brainstem Auditory Evoked Potentials
... problematic. However, as the bandpass narrows, distortion of waveform morphology, amplitude, and latency can occur because of exclusion of low-frequency elements. Although pure tones are routinely used to analyze the specific frequency spectra of hearing loss, they are generally not used to elicit B ...
... problematic. However, as the bandpass narrows, distortion of waveform morphology, amplitude, and latency can occur because of exclusion of low-frequency elements. Although pure tones are routinely used to analyze the specific frequency spectra of hearing loss, they are generally not used to elicit B ...
DESCENDING TRACTS - University of Kansas
... Compare proprioceptive information and movement commands. Sequence movements. Regulate muscle tone and muscle force. May be involved in selecting and inhibiting specific motor synergies. ...
... Compare proprioceptive information and movement commands. Sequence movements. Regulate muscle tone and muscle force. May be involved in selecting and inhibiting specific motor synergies. ...
Escape behavior and neuronal responses to looming stimuli in the
... The simulated looming stimulus used in the present study consisted of a 5·cm black square, which approached over a distance of 70·cm at a constant speed of 20·cm·s–1 (Fig.·1B). Thus, for the crab’s eye the stimulus had an apparent size subtending an angle of 4° at its stationary initial position and ...
... The simulated looming stimulus used in the present study consisted of a 5·cm black square, which approached over a distance of 70·cm at a constant speed of 20·cm·s–1 (Fig.·1B). Thus, for the crab’s eye the stimulus had an apparent size subtending an angle of 4° at its stationary initial position and ...
download file
... tones was fixed for each animal (5, 7.5, and 15 pps, n ⫽ 4, 2, and 4 rats, respectively). All tones had 3-ms onset and offset ramps. The tones paired with BF stimulation were 250 ms in duration except for the tone trains that were composed of 25-ms tones. To establish the specificity of BF pairing, ...
... tones was fixed for each animal (5, 7.5, and 15 pps, n ⫽ 4, 2, and 4 rats, respectively). All tones had 3-ms onset and offset ramps. The tones paired with BF stimulation were 250 ms in duration except for the tone trains that were composed of 25-ms tones. To establish the specificity of BF pairing, ...
File - Shabeer Dawar
... • Every skeletal muscle fiber has a motor end plate at the site where an axonal ending comes in close association with the fiber. • As the myelinated nerves fiber reach a muscle they divide into several branches each passes to different muscle fibers, terminating there at the motor end plate. • Clos ...
... • Every skeletal muscle fiber has a motor end plate at the site where an axonal ending comes in close association with the fiber. • As the myelinated nerves fiber reach a muscle they divide into several branches each passes to different muscle fibers, terminating there at the motor end plate. • Clos ...
Chapter 11: The Auditory and Vestibular Systems
... Frequency sensitivity: Basilar membrane Frequency: Highest at base, lowest at cochlea apex Tonotopy: Systematic organization of characteristic frequency within auditory structure Slide 15 Neuroscience: Exploring the Brain, 3rd Ed, Bear, Connors, and Paradiso Copyright © 2007 Lippincott Williams & Wi ...
... Frequency sensitivity: Basilar membrane Frequency: Highest at base, lowest at cochlea apex Tonotopy: Systematic organization of characteristic frequency within auditory structure Slide 15 Neuroscience: Exploring the Brain, 3rd Ed, Bear, Connors, and Paradiso Copyright © 2007 Lippincott Williams & Wi ...
The Representation of Complex Images in Spatial Frequency
... well separated SF domains in cat area 17. The relative phase of the sine wave gratings was fixed to zero, such that the pair moved as a coherent whole. Both sinusoidal components therefore moved with the same speed, but each component grating had a different TF because they had different SFs. Exampl ...
... well separated SF domains in cat area 17. The relative phase of the sine wave gratings was fixed to zero, such that the pair moved as a coherent whole. Both sinusoidal components therefore moved with the same speed, but each component grating had a different TF because they had different SFs. Exampl ...
Sensory modalities are not separate modalities: plasticity and
... however, illusory flashing occurred as long as the beeps and flash were within about 100 ms — consistent with the integration time of polysensory neurons in the brain [32,33]. The alteration of vision by sound in this experiment was found to be asymmetrical: alteration occurred strongly only when a ...
... however, illusory flashing occurred as long as the beeps and flash were within about 100 ms — consistent with the integration time of polysensory neurons in the brain [32,33]. The alteration of vision by sound in this experiment was found to be asymmetrical: alteration occurred strongly only when a ...
Action Representation in Mirror Neurons
... normally occurs in nature, where, within a social environment, vision and sound of hand actions are typically coupled. Finally, in the remaining three neurons the response to sound alone was the strongest. A population analysis (Fig. 2B, rightmost column) based on all 33 neurons analyzed confirmed t ...
... normally occurs in nature, where, within a social environment, vision and sound of hand actions are typically coupled. Finally, in the remaining three neurons the response to sound alone was the strongest. A population analysis (Fig. 2B, rightmost column) based on all 33 neurons analyzed confirmed t ...
muscle stretch reflex
... these reflexes are tested during check-‐ups to make sure there are no problems with the patient’s nervous and muscular systems. The reflex happens when a muscle is stretched and causes an unconscious c ...
... these reflexes are tested during check-‐ups to make sure there are no problems with the patient’s nervous and muscular systems. The reflex happens when a muscle is stretched and causes an unconscious c ...
physiological reviews
... the vestibular and, to a less extent, on the auditory system. An extensive clinical literature has debated whether the primary effect of streptomycin is on the vestibular nucleus of the medulla oblongata or on the end organ. It is now generally accepted that whatever the direct neural effects may be ...
... the vestibular and, to a less extent, on the auditory system. An extensive clinical literature has debated whether the primary effect of streptomycin is on the vestibular nucleus of the medulla oblongata or on the end organ. It is now generally accepted that whatever the direct neural effects may be ...
Lateral Zone
... Cerebellum does not initiate movement but controls sequence and timing of successive movements that lead to smooth progression from one movement to next. • Lateral zone has extra motor function. • Predictive Function: it helps individual to predict how rapidly movement will occur. • Intermediate Zon ...
... Cerebellum does not initiate movement but controls sequence and timing of successive movements that lead to smooth progression from one movement to next. • Lateral zone has extra motor function. • Predictive Function: it helps individual to predict how rapidly movement will occur. • Intermediate Zon ...
Note - Reza Shadmehr
... limb position) from the right arm and hand. In response to the stretch at time 0, we see the EMG record from the left (middle trace) and right (bottom trace) hand. The EMG response at 25 msec is due to the short loop stretch reflex. The response at 40-55 msec is due to the long-loop stretch reflex. ...
... limb position) from the right arm and hand. In response to the stretch at time 0, we see the EMG record from the left (middle trace) and right (bottom trace) hand. The EMG response at 25 msec is due to the short loop stretch reflex. The response at 40-55 msec is due to the long-loop stretch reflex. ...
Inhibition of central neurons is reduced following acoustic trauma
... care facility. In two cases, post-exposure auditory-brainstem responses (ABRs) suggested that the trauma had not produced a hearing loss and a second exposure was performed. In two additional cases, the ABRs suggested that a loss had occurred, but no threshold shift was apparent in the recording ses ...
... care facility. In two cases, post-exposure auditory-brainstem responses (ABRs) suggested that the trauma had not produced a hearing loss and a second exposure was performed. In two additional cases, the ABRs suggested that a loss had occurred, but no threshold shift was apparent in the recording ses ...
File - Dr. Jerry Cronin
... below-normal amount of rhodopsin may cause night blindness or nyctalopia, an inability to see well at low light levels ...
... below-normal amount of rhodopsin may cause night blindness or nyctalopia, an inability to see well at low light levels ...
Cerebral Cortex Lect
... Myelinated axons which connect cerebral cortex with other brain regions. Three categories of white matter fibers are recognized: Projection Fibers — fibers that leave the cerebral white matter. Projection fibers form the internal capsule. Two categories of projection fibers are: 1] corticofugal: ter ...
... Myelinated axons which connect cerebral cortex with other brain regions. Three categories of white matter fibers are recognized: Projection Fibers — fibers that leave the cerebral white matter. Projection fibers form the internal capsule. Two categories of projection fibers are: 1] corticofugal: ter ...
functional classes of neurons in primary auditory cortex of the cat
... half of the neurons encountered were selective for the location of sounds. The locationselective units could be divided into two discrete populations. Hemifield units responded only to sounds presented in the contralateral sound field, with receptive fields extending from a well defined medial borde ...
... half of the neurons encountered were selective for the location of sounds. The locationselective units could be divided into two discrete populations. Hemifield units responded only to sounds presented in the contralateral sound field, with receptive fields extending from a well defined medial borde ...
Word doc - Center for Neural Science
... evoked responses were obtained. In some cases, this procedure was repeated one or more times to increase the muscimol dose. In later experiments, to investigate reversal of inhibition by picrotoxin (0.01-100 M in saline; Sigma), we used a lower concentration of muscimol (200 M, 0.5-2.0 µl). After ...
... evoked responses were obtained. In some cases, this procedure was repeated one or more times to increase the muscimol dose. In later experiments, to investigate reversal of inhibition by picrotoxin (0.01-100 M in saline; Sigma), we used a lower concentration of muscimol (200 M, 0.5-2.0 µl). After ...
Skeletal Reflexes - University of Houston College of Optometry
... large or sudden change in load in extraocular muscles no reason for having mechanism to compensate for loading changes Could explain the degeneracy of sensory organs in number and structure They’re present because they are a natural constituent of striated muscle ...
... large or sudden change in load in extraocular muscles no reason for having mechanism to compensate for loading changes Could explain the degeneracy of sensory organs in number and structure They’re present because they are a natural constituent of striated muscle ...
BECOMING AWARE OF THE WORLD AROUND US
... The sense organs, 10 in all, constitute the information gathering system. Eight of these sense organs are those that collect information from the external world: vision, audition, smell, taste, touch, warmth, cold, and pain. The other two are termed as deep senses: vestibular and kinesthetic. They h ...
... The sense organs, 10 in all, constitute the information gathering system. Eight of these sense organs are those that collect information from the external world: vision, audition, smell, taste, touch, warmth, cold, and pain. The other two are termed as deep senses: vestibular and kinesthetic. They h ...
Signals and circuits in the Purkinje neuron NEURAL CIRCUITS Ze’ev R. Abrams
... to be made is that the axes of FT plots are typically logarithmic, to accentuate the peaks, however, this leads to an artificial increase in the “noise” signal, leading to the curved bottoms of the FT plots. Engineers will typically use the term “frequency” interchangeably with “period” (f = 1/T ). M ...
... to be made is that the axes of FT plots are typically logarithmic, to accentuate the peaks, however, this leads to an artificial increase in the “noise” signal, leading to the curved bottoms of the FT plots. Engineers will typically use the term “frequency” interchangeably with “period” (f = 1/T ). M ...
File - Joris Vangeneugden
... generalization/discrimination test [FREQ-DISC]). The other tones will not be associated with the shock. As an operant for fear/anxiety we will use freezing behavior, again cf. previous studies (Letzkus et al., 2011; Wolff et al., 2014). Prey animals (mice) that experience fear will resort to feignin ...
... generalization/discrimination test [FREQ-DISC]). The other tones will not be associated with the shock. As an operant for fear/anxiety we will use freezing behavior, again cf. previous studies (Letzkus et al., 2011; Wolff et al., 2014). Prey animals (mice) that experience fear will resort to feignin ...
View PDF - Laboratory of Brain, Hearing and Behavior
... representation of those priorities [1!,3,9]. This represwww.sciencedirect.com ...
... representation of those priorities [1!,3,9]. This represwww.sciencedirect.com ...