30 Hearing - Semantic Scholar
... of atomic dimensions and transduce stimuli ranging from static inputs to those at frequencies of tens of kilohertz. Damage to or deterioration of hair cells accounts for most of the hearing loss in the nearly 30 million Americans who are afflicted with significant deafness. Information flows from th ...
... of atomic dimensions and transduce stimuli ranging from static inputs to those at frequencies of tens of kilohertz. Damage to or deterioration of hair cells accounts for most of the hearing loss in the nearly 30 million Americans who are afflicted with significant deafness. Information flows from th ...
chapt13_lectureS
... Receptors for body movement, limb positions, fine touch discrimination, and pressure ...
... Receptors for body movement, limb positions, fine touch discrimination, and pressure ...
part ii: the animal mind - Neural and Mental Evolution
... morphogenetic and regenerative processes; and (iii) a genetic apparatus that enables some individuals to pass on their heritage to their descendants and thus assure the survival of the species. To maintain the integrity of an individual organism, it must be encased in a unique envelope (membrane, sk ...
... morphogenetic and regenerative processes; and (iii) a genetic apparatus that enables some individuals to pass on their heritage to their descendants and thus assure the survival of the species. To maintain the integrity of an individual organism, it must be encased in a unique envelope (membrane, sk ...
the physiology of a lepidopteran muscle receptor
... latencies revealed ganglionic delays over and above axon conduction time of 1-2 msec, in such cases. In contrast, it was not possible to show any ganglionic delay when recording from muscles responding in a 1:1 manner at over 100 stimuli/sec.; such high-frequency following was seen only with stimula ...
... latencies revealed ganglionic delays over and above axon conduction time of 1-2 msec, in such cases. In contrast, it was not possible to show any ganglionic delay when recording from muscles responding in a 1:1 manner at over 100 stimuli/sec.; such high-frequency following was seen only with stimula ...
chapt13_lecture
... the body ipsilateral – when the origin and destination of a tract are on the same side of the body – does not decussate ...
... the body ipsilateral – when the origin and destination of a tract are on the same side of the body – does not decussate ...
No Slide Title
... the body ipsilateral – when the origin and destination of a tract are on the same side of the body – does not decussate ...
... the body ipsilateral – when the origin and destination of a tract are on the same side of the body – does not decussate ...
Evolution of Time-Coding Systems in Weakly Electric Fishes
... form and mormyrid fishes (Bastian, 1976; Bell, 1990). These which males produce longer pulses during sexual maturaafferents fire a single action potential in response to each tion. In all electric fishes, longer pulses are energetically EOD. As will be shown in later sections, these time-coding cost ...
... form and mormyrid fishes (Bastian, 1976; Bell, 1990). These which males produce longer pulses during sexual maturaafferents fire a single action potential in response to each tion. In all electric fishes, longer pulses are energetically EOD. As will be shown in later sections, these time-coding cost ...
Visual Properties of Neurons in a Polysensory Area in Superior
... Most STP units, 70% of the 199 tested, had little or no preference for stimulus size, shape, orientation, or contrast. These nonselective units would respond similarly to spots and slits of light, to shadows, to slides and photographs of complex objects, and to three-dimensional objects. Many of the ...
... Most STP units, 70% of the 199 tested, had little or no preference for stimulus size, shape, orientation, or contrast. These nonselective units would respond similarly to spots and slits of light, to shadows, to slides and photographs of complex objects, and to three-dimensional objects. Many of the ...
Integration of Visual and Auditory Information by Superior Temporal
... Little is known, however, about what auditory and visual information might be integrated or the underlying integrative mechanisms. These early studies showed that STS neurons that respond to the visual presentation of hands, faces, and moving objects could also respond to beeps, clicks, white noise, ...
... Little is known, however, about what auditory and visual information might be integrated or the underlying integrative mechanisms. These early studies showed that STS neurons that respond to the visual presentation of hands, faces, and moving objects could also respond to beeps, clicks, white noise, ...
Ch. 14 CNS textbook
... from each side of the spinal cord (see Figure 13-6). Fibers comprising the dorsal nerve root carry sensory information into the spinal cord. Cell bodies of these unipolar, sensory neurons make up a small region of gray matter in the dorsal nerve root called the dorsal root ganglion. Fibers of the ve ...
... from each side of the spinal cord (see Figure 13-6). Fibers comprising the dorsal nerve root carry sensory information into the spinal cord. Cell bodies of these unipolar, sensory neurons make up a small region of gray matter in the dorsal nerve root called the dorsal root ganglion. Fibers of the ve ...
17. Pathways and Integrative Functions
... So the tract that originates in the spinal cord and terminates in the cerebellum is called the spinocerebellar tract. Motor pathways begin with either cortico-, indicating an origin in the cerebral cortex, or the name of a brainstem nucleus, such as rubro-, indicating an origin within the red nucleu ...
... So the tract that originates in the spinal cord and terminates in the cerebellum is called the spinocerebellar tract. Motor pathways begin with either cortico-, indicating an origin in the cerebral cortex, or the name of a brainstem nucleus, such as rubro-, indicating an origin within the red nucleu ...
The Somatosensory System: Receptors and Central Pathways
... afferents signal disorders in muscles and joints that can be sensed as painful. Cutaneous nerves contain two sets of myelinated fibers: Group II fibers innervate cutaneous mechanoreceptors that respond to touch, and group III fibers mediate thermal and noxious stimuli. Unmyelinated group IV cutaneou ...
... afferents signal disorders in muscles and joints that can be sensed as painful. Cutaneous nerves contain two sets of myelinated fibers: Group II fibers innervate cutaneous mechanoreceptors that respond to touch, and group III fibers mediate thermal and noxious stimuli. Unmyelinated group IV cutaneou ...
Receptors in lateral hypothalamic area involved in - AJP
... short-latency somatosensory responses, whereas NMDA receptor effects are manifested only in response to maintained sensory stimulation. This suggests that NMDA and non-NMDA receptors are each suited to a particular type of presynaptic input. Similarly, in the spinal cord, monosynaptic excitation of ...
... short-latency somatosensory responses, whereas NMDA receptor effects are manifested only in response to maintained sensory stimulation. This suggests that NMDA and non-NMDA receptors are each suited to a particular type of presynaptic input. Similarly, in the spinal cord, monosynaptic excitation of ...
Functional sex differences in human primary auditory cortex
... Department of Nuclear Medicine and Molecular Imaging, ...
... Department of Nuclear Medicine and Molecular Imaging, ...
BioCapture™ : Acquiring EEG data Quick Notes
... These patterns have particular frequency ranges and are associated with different states of brain function (e.g., waking and various levels of sleep). These patterns represent synchronized activity over a network of neurons. Delta waves are the slowest of the known EEG frequencies—no faster than 4 H ...
... These patterns have particular frequency ranges and are associated with different states of brain function (e.g., waking and various levels of sleep). These patterns represent synchronized activity over a network of neurons. Delta waves are the slowest of the known EEG frequencies—no faster than 4 H ...
Document
... oppose the stimulus. Therefore this type of reflexive response would be considered an example of ___. a. A visceral reflex b. Negative feedback c. A reverberation circuit ...
... oppose the stimulus. Therefore this type of reflexive response would be considered an example of ___. a. A visceral reflex b. Negative feedback c. A reverberation circuit ...
For Every Action…
... oppose the stimulus. Therefore this type of reflexive response would be considered an example of ___. a. A visceral reflex b. Negative feedback c. A reverberation circuit ...
... oppose the stimulus. Therefore this type of reflexive response would be considered an example of ___. a. A visceral reflex b. Negative feedback c. A reverberation circuit ...
The Representation of Complex Images in Spatial Frequency
... The organization of cat primary visual cortex has been well mapped using simple stimuli such as sinusoidal gratings, revealing superimposed maps of orientation and spatial frequency preferences. However, it is not yet understood how complex images are represented across these maps. In this study, we ...
... The organization of cat primary visual cortex has been well mapped using simple stimuli such as sinusoidal gratings, revealing superimposed maps of orientation and spatial frequency preferences. However, it is not yet understood how complex images are represented across these maps. In this study, we ...
Neural Correlates of Vibrissa Resonance: Band
... trigeminal (NV) or cortical (SI) evoked activity, we recorded single-unit action potential activity while applying constant amplitude sinusoidal stimuli to the distal end of the principal vibrissa (PV) for 500 ms at multiple frequencies (see Experimental Procedures). In SI, a dense sampling (steps ⱕ ...
... trigeminal (NV) or cortical (SI) evoked activity, we recorded single-unit action potential activity while applying constant amplitude sinusoidal stimuli to the distal end of the principal vibrissa (PV) for 500 ms at multiple frequencies (see Experimental Procedures). In SI, a dense sampling (steps ⱕ ...
The Central Nervous System
... tongue, and muscles of the neck, back, and shoulders. They also provide sensation from the face, neck, and upper chest and autonomic innervation to thoracic and abdominopelvic organs. Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings ...
... tongue, and muscles of the neck, back, and shoulders. They also provide sensation from the face, neck, and upper chest and autonomic innervation to thoracic and abdominopelvic organs. Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings ...
the organization of behavioral repertoire in motor cortex
... truncated saccade (Stanford et al. 1996). Stimulation for up to 500 ms evoked coordinated head and eye movements in the superior colliculus and the SMA (Chen & Walton 2005, Freedman et al. 1996, Martinez-Trujillo et al. 2003). Stimulation in the arcuate sulcus for 1000 ms evoked smooth pursuit eye m ...
... truncated saccade (Stanford et al. 1996). Stimulation for up to 500 ms evoked coordinated head and eye movements in the superior colliculus and the SMA (Chen & Walton 2005, Freedman et al. 1996, Martinez-Trujillo et al. 2003). Stimulation in the arcuate sulcus for 1000 ms evoked smooth pursuit eye m ...
Is neocortex essentially multisensory?
... Figure 3. Distributions of non-auditory inputs into auditory cortex derived from three separate studies in macaque monkeys. (a) Locations and relative proportions of cutaneous head/neck, cutaneous hand, proprioceptive, vibratory somatosensory inputs (colors as in key) to caudo-medial area, based on ...
... Figure 3. Distributions of non-auditory inputs into auditory cortex derived from three separate studies in macaque monkeys. (a) Locations and relative proportions of cutaneous head/neck, cutaneous hand, proprioceptive, vibratory somatosensory inputs (colors as in key) to caudo-medial area, based on ...
How Reliably Does a Neuron in the Visual Motion Pathway of fhe Fly
... the stimulus-induced response component ('SIRC'). In a normal behavioural situation the animal's own actions and reactions have immediate consequences on its sensory input. Therefore, the SIRC is not simply the consequence of an external source but is determined, at least to a large extent, by the a ...
... the stimulus-induced response component ('SIRC'). In a normal behavioural situation the animal's own actions and reactions have immediate consequences on its sensory input. Therefore, the SIRC is not simply the consequence of an external source but is determined, at least to a large extent, by the a ...
cortico-cortical feedback controls spatial summation in
... combination we have developed provides purely anterograde labeling. D) Borders of cortical layers were determined based on current source density analysis of evoked LFP signals to 100 ms luminance increment (0.5-100 cd m -2) at every 400 ms (400 trials). SG (supragranular), IG (infragranular). E) Mi ...
... combination we have developed provides purely anterograde labeling. D) Borders of cortical layers were determined based on current source density analysis of evoked LFP signals to 100 ms luminance increment (0.5-100 cd m -2) at every 400 ms (400 trials). SG (supragranular), IG (infragranular). E) Mi ...