L9 - Internal structure of brain stem new
... Each color from those above will be pointed at the figure: ...
... Each color from those above will be pointed at the figure: ...
PPT - UCLA Health
... • At the auditory cortex there seems to be a pattern of reorganization of tonotopic maps after cochlear lesions in the developing neonate similar to that of adult animal. • Tonotopic maps in sub-cortical auditory nuclei show significant differences in map reorganization after lesion in a development ...
... • At the auditory cortex there seems to be a pattern of reorganization of tonotopic maps after cochlear lesions in the developing neonate similar to that of adult animal. • Tonotopic maps in sub-cortical auditory nuclei show significant differences in map reorganization after lesion in a development ...
Babinski reflex and corticospinal tract lesion
... Categories of Muscle Based on Movement Agonist Æmuscle that serves to move the joint in the same direction as the studied muscle Antagonist Æ muscle that moves the joint in the opposite direction ...
... Categories of Muscle Based on Movement Agonist Æmuscle that serves to move the joint in the same direction as the studied muscle Antagonist Æ muscle that moves the joint in the opposite direction ...
L19-Physiology of the Proprioceptors in Balance
... send information to the CNS about muscle length or rate of change of length. Each spindle is 3 to 10 millimeters long. It is built around 3 to 12 tiny intrafusal muscle fibers , has few or no actin and ...
... send information to the CNS about muscle length or rate of change of length. Each spindle is 3 to 10 millimeters long. It is built around 3 to 12 tiny intrafusal muscle fibers , has few or no actin and ...
A Computer Simulation of Olfactory Cortex with Functional
... second order input from the olfactory receptors via the olfactory bulb (Fig. 1). It is believed to play a significant role in the classification and storage of olfactory information 1•2•3 . For several years we have been using computer simulations as a tool for studying information processing within ...
... second order input from the olfactory receptors via the olfactory bulb (Fig. 1). It is believed to play a significant role in the classification and storage of olfactory information 1•2•3 . For several years we have been using computer simulations as a tool for studying information processing within ...
Cochlear Implant Overview
... be candidates for a cochlear implant. Typically candidates will have been fitted with hearing aids but receive minimal benefit. Benefit with hearing aids is determined by standard diagnostic tests administered by audiologists as well as parent and teacher/therapist questionnaires, which measure a ch ...
... be candidates for a cochlear implant. Typically candidates will have been fitted with hearing aids but receive minimal benefit. Benefit with hearing aids is determined by standard diagnostic tests administered by audiologists as well as parent and teacher/therapist questionnaires, which measure a ch ...
25. Organ of balance and hearing
... Righting reflexes: muscular responses to restore the body and its parts to their normal position when displaced; caused by stimuli of the macula and impulses from proprioceptors and from the eyes ...
... Righting reflexes: muscular responses to restore the body and its parts to their normal position when displaced; caused by stimuli of the macula and impulses from proprioceptors and from the eyes ...
striated.
... The elongated fibers of skeletal muscle are striated. The striations are dark and light stripes along the muscle cell due to the arrangement of the protein filaments, or myofilaments within the muscle fiber. Contractions of skeletal muscle can be regulated by conscious control, therefore, it is cons ...
... The elongated fibers of skeletal muscle are striated. The striations are dark and light stripes along the muscle cell due to the arrangement of the protein filaments, or myofilaments within the muscle fiber. Contractions of skeletal muscle can be regulated by conscious control, therefore, it is cons ...
neurology_lab6_13_4_2011 - Post-it
... cerebellum which mean the cerebellum receive them ☻Efferent fibber: away from cerebellum which mean cerebellum project them ☻ always any injure in cerebllum lead to ipsilateral effect because tract away and toward Cerebllum walk ipsilateral or make 2crossing so the net is ipsilatral ☻No direct effec ...
... cerebellum which mean the cerebellum receive them ☻Efferent fibber: away from cerebellum which mean cerebellum project them ☻ always any injure in cerebllum lead to ipsilateral effect because tract away and toward Cerebllum walk ipsilateral or make 2crossing so the net is ipsilatral ☻No direct effec ...
Poulet etal - Cornell University
... one of the wings and elicited silent stridulation. In the absence of any self-generated or external sounds in the afferent axon we recorded phasic groups of depolarising synaptic inputs termed primary afferent depolarisations or PADs (Fig. 3a). Each PAD started during the closing wing movements of the ...
... one of the wings and elicited silent stridulation. In the absence of any self-generated or external sounds in the afferent axon we recorded phasic groups of depolarising synaptic inputs termed primary afferent depolarisations or PADs (Fig. 3a). Each PAD started during the closing wing movements of the ...
PDF (2_RMC_CH1_Introduction)
... begins to respond to the previously neutral stimulus in the same way as the meaningful one. The subject has formed an association; he or she now begins salivating to the presence of the bell alone without food. In Pavlovian conditioning terms, the initially neutral stimulus (the bell) is referred to ...
... begins to respond to the previously neutral stimulus in the same way as the meaningful one. The subject has formed an association; he or she now begins salivating to the presence of the bell alone without food. In Pavlovian conditioning terms, the initially neutral stimulus (the bell) is referred to ...
34. Organ of balance and hearing
... Righting reflexes: muscular responses to restore the body and its parts to their normal position when displaced; caused by stimuli of the macula and impulses from proprioceptors and from the eyes ...
... Righting reflexes: muscular responses to restore the body and its parts to their normal position when displaced; caused by stimuli of the macula and impulses from proprioceptors and from the eyes ...
Natural signal statistics and sensory gain control
... it in a wide variety of natural images and sounds. It occurs even when the filters are chosen to be orthogonal, non-overlapping or from a set that is optimized for statistical independence5. The strength of the dependency varies depending on the specific pair of filters chosen (Fig. 3). Nevertheless ...
... it in a wide variety of natural images and sounds. It occurs even when the filters are chosen to be orthogonal, non-overlapping or from a set that is optimized for statistical independence5. The strength of the dependency varies depending on the specific pair of filters chosen (Fig. 3). Nevertheless ...
Maruska & Tricas 2009b
... the exception of silent units. The coefficient of variation (CV), which is a dimensionless ratio of standard deviation to mean interspike interval was also calculated for each unit to estimate relative variability in resting discharge patterns. Units with resting activity were classified as regular ...
... the exception of silent units. The coefficient of variation (CV), which is a dimensionless ratio of standard deviation to mean interspike interval was also calculated for each unit to estimate relative variability in resting discharge patterns. Units with resting activity were classified as regular ...
Uncomfortable images produce non-sparse responses in a model of
... discomfort, and that can trigger epileptic seizures [14] and migraine attacks [15], produce relatively non-sparse responses. It is well established that images with some types of statistical structure produce adverse reactions, including headaches, eye-strain and illusions of shape, colour and motio ...
... discomfort, and that can trigger epileptic seizures [14] and migraine attacks [15], produce relatively non-sparse responses. It is well established that images with some types of statistical structure produce adverse reactions, including headaches, eye-strain and illusions of shape, colour and motio ...
Modelling the Development of Mirror Neurons for Auditory
... and thus developing strong Hebbian connections. This results in such units not only receiving external, but also strong Hebbian activation, and thus becoming more active than ...
... and thus developing strong Hebbian connections. This results in such units not only receiving external, but also strong Hebbian activation, and thus becoming more active than ...
The Outer (External) Ear
... Hearing aids can help with partial hearing loss such as that caused by chronic noise exposure, but they do so by amplifying sound waves rather than restoring lost hearing. Most amplify all sound waves equally, which is why it may be difficult for someone wearing a hearing aid to carry on a conversat ...
... Hearing aids can help with partial hearing loss such as that caused by chronic noise exposure, but they do so by amplifying sound waves rather than restoring lost hearing. Most amplify all sound waves equally, which is why it may be difficult for someone wearing a hearing aid to carry on a conversat ...
Reduced BOLD response to periodic visual stimulation
... the underlying metabolic demand due to changes in neural activity. A number of previous studies have looked at the temporal frequency tuning of neurons using BOLD measurements (Ozus et al., 2001; Singh et al., 2003; Thomas and Menon, 1998) and PET (Fox and Raichle, 1984; Mentis et al., 1997). The st ...
... the underlying metabolic demand due to changes in neural activity. A number of previous studies have looked at the temporal frequency tuning of neurons using BOLD measurements (Ozus et al., 2001; Singh et al., 2003; Thomas and Menon, 1998) and PET (Fox and Raichle, 1984; Mentis et al., 1997). The st ...
Shapes and Level Tolerances of Frequency Tuning Curves in
... at a single intensity (e.g., Calford et al. 1983), this approach cannot reveal level tolerance (Suga 1997). To quantify level tolerance one must characterize excitatory frequency tuning curve (eFTC) “shape,” i.e., how frequency tuning varies with intensity. Characterizing eFTC shapes has provided in ...
... at a single intensity (e.g., Calford et al. 1983), this approach cannot reveal level tolerance (Suga 1997). To quantify level tolerance one must characterize excitatory frequency tuning curve (eFTC) “shape,” i.e., how frequency tuning varies with intensity. Characterizing eFTC shapes has provided in ...
somatic sensory system
... T F 2. The largest diameter sensory fibers innervate muscle spindles and tendon organs, but not the skin. T F 3. Group III afferent fibers mediate slow pain. T F 4. Some of the primary sensory fibers entering the pons with the trigeminal nerve make synapses in the lower medulla. T F 5. All Group III ...
... T F 2. The largest diameter sensory fibers innervate muscle spindles and tendon organs, but not the skin. T F 3. Group III afferent fibers mediate slow pain. T F 4. Some of the primary sensory fibers entering the pons with the trigeminal nerve make synapses in the lower medulla. T F 5. All Group III ...
audition - Neuroanatomy
... Sound pressure at the threshold of hearing, which means sounds that are just barely detectable by a normal listener under optimal conditions, is designated as 0 dB sound pressure level, or 0 dB SPL. The accompanying chart shows on a dB scale the approximate sound pressure levels of events in our eve ...
... Sound pressure at the threshold of hearing, which means sounds that are just barely detectable by a normal listener under optimal conditions, is designated as 0 dB sound pressure level, or 0 dB SPL. The accompanying chart shows on a dB scale the approximate sound pressure levels of events in our eve ...