Synapse Elimination and Remodeling
... C) Ocular dominance distribution was essentially normal in an adult cat exposed to contralateral eye closure for 26 months. From Hubel and Wiesel (1970). ...
... C) Ocular dominance distribution was essentially normal in an adult cat exposed to contralateral eye closure for 26 months. From Hubel and Wiesel (1970). ...
Susceptibility to a neurotropic virus and its changing distribution in
... P12 or less at inoculation, the original foci rapidly enlarged to produce a widespread infection which was apparent by 36 h to 48 h. In mice aged P14 or greater at time of infection, many small foci of positive cells were apparent in the brain, but generally these did not disseminate into widespread ...
... P12 or less at inoculation, the original foci rapidly enlarged to produce a widespread infection which was apparent by 36 h to 48 h. In mice aged P14 or greater at time of infection, many small foci of positive cells were apparent in the brain, but generally these did not disseminate into widespread ...
Origins of language: A conspiracy theory
... somehow predetermines the synapses between neurons. In neural networks, representational innateness is achieved by hand-wiring the network and setting the weights prior to learning. At least some of the discussion regarding the origins of language appear to assume that representational innateness is ...
... somehow predetermines the synapses between neurons. In neural networks, representational innateness is achieved by hand-wiring the network and setting the weights prior to learning. At least some of the discussion regarding the origins of language appear to assume that representational innateness is ...
Eagleman Ch 7. The Motor System
... Purkinje cells generate the output of the cerebellum via inhibitory projections to deep cerebellar nuclei. These nuclei send excitatory connections to the brain and spinal cord. ...
... Purkinje cells generate the output of the cerebellum via inhibitory projections to deep cerebellar nuclei. These nuclei send excitatory connections to the brain and spinal cord. ...
14-1 SENSATION FIGURE 14.1 1. The general senses provide
... 1) The axons of the upper motor neurons from the cerebral cortex extend through the internal capsule, which is formed by descending motor nerve tracts from the cerebrum and ascending sensory nerve tracts from the thalamus. 2) The axons of the upper motor neurons pass through the midbrain (cerebral p ...
... 1) The axons of the upper motor neurons from the cerebral cortex extend through the internal capsule, which is formed by descending motor nerve tracts from the cerebrum and ascending sensory nerve tracts from the thalamus. 2) The axons of the upper motor neurons pass through the midbrain (cerebral p ...
Clinical Investigative Study Detectability of Neural Tracts and Nuclei
... layer and the deep layer of the transverse pontine fibers in the middle of the ventral part of the pons). The medial lemniscus (2) is observed as a blue transverse structure behind the deep layer of the transverse pontine fibers. The medial longitudinal fasciculi (3) are depicted in the form of invert ...
... layer and the deep layer of the transverse pontine fibers in the middle of the ventral part of the pons). The medial lemniscus (2) is observed as a blue transverse structure behind the deep layer of the transverse pontine fibers. The medial longitudinal fasciculi (3) are depicted in the form of invert ...
14-1 SENSATION 1. The general senses provide information about
... 1) The axons of the upper motor neurons from the cerebral cortex extend through the internal capsule, which is formed by descending motor nerve tracts from the cerebrum and ascending sensory nerve tracts from the thalamus. 2) The axons of the upper motor neurons pass through the midbrain (cerebral p ...
... 1) The axons of the upper motor neurons from the cerebral cortex extend through the internal capsule, which is formed by descending motor nerve tracts from the cerebrum and ascending sensory nerve tracts from the thalamus. 2) The axons of the upper motor neurons pass through the midbrain (cerebral p ...
III./2.2.: The pathology and etiology of headaches III./2.2.1.: Anatomy
... III./2.2.2.: The pathomechanism of migraine During migraine attacks, the jugular concentration of CGRP is significantly increased, whereas the concentration of substance P, VIP and neuropeptide-Y is unchanged. This phenomenon was observed in both major types of migraine (migraine with and without au ...
... III./2.2.2.: The pathomechanism of migraine During migraine attacks, the jugular concentration of CGRP is significantly increased, whereas the concentration of substance P, VIP and neuropeptide-Y is unchanged. This phenomenon was observed in both major types of migraine (migraine with and without au ...
Brainstem3_2009
... and inferior colliculus Superior olivary nucleus is also receiving input from contralateral cochlear nuclei Superior olivary nucleus projects to inferior colliculus Inferior colliculus projects to thalamus ...
... and inferior colliculus Superior olivary nucleus is also receiving input from contralateral cochlear nuclei Superior olivary nucleus projects to inferior colliculus Inferior colliculus projects to thalamus ...
Klodiana Rafti
... the strength of the orienting response occurs when a primary reinforcer is repeatedly presented (King, 1979). This process is not the same as sensory adaptation, because the activity of the peripheral auditory sensory neurons is relatively or completely unaffected (Wickelgren, 1977). At one time it ...
... the strength of the orienting response occurs when a primary reinforcer is repeatedly presented (King, 1979). This process is not the same as sensory adaptation, because the activity of the peripheral auditory sensory neurons is relatively or completely unaffected (Wickelgren, 1977). At one time it ...
CN V - Trigeminal
... and inferior colliculus Superior olivary nucleus is also receiving input from contralateral cochlear nuclei Superior olivary nucleus projects to inferior colliculus Inferior colliculus projects to thalamus ...
... and inferior colliculus Superior olivary nucleus is also receiving input from contralateral cochlear nuclei Superior olivary nucleus projects to inferior colliculus Inferior colliculus projects to thalamus ...
BASAL GANGLIA
... The principal pathway through basal ganglia begin mainly in premotor and supplementary motor areas of motor cortex as well as in primary somato - sensory areas of sensory cortex, ...
... The principal pathway through basal ganglia begin mainly in premotor and supplementary motor areas of motor cortex as well as in primary somato - sensory areas of sensory cortex, ...
BASAL GANGLIA
... The principal pathway through basal ganglia begin mainly in premotor and supplementary motor areas of motor cortex as well as in primary somato - sensory areas of sensory cortex, ...
... The principal pathway through basal ganglia begin mainly in premotor and supplementary motor areas of motor cortex as well as in primary somato - sensory areas of sensory cortex, ...
Latent inhibition as a function of US intensity in a two
... condition (72 pre-exposures or non-pre-exposure) and the second was footshock intensity (low or high). A more durable LI effect was observed in the low-intensity condition than in the high-intensity condition during conditioning trials. The authors discuss the possibility that US intensity modulates ...
... condition (72 pre-exposures or non-pre-exposure) and the second was footshock intensity (low or high). A more durable LI effect was observed in the low-intensity condition than in the high-intensity condition during conditioning trials. The authors discuss the possibility that US intensity modulates ...
FIGURE LEGENDS FIGURE 46.1 Lateral viewof a human brain
... than when she released the right bar (blue versus red traces). Limb modulations did not always accompany a bar release, but were found only when the attended cue was in the receptive field. Barrelease latencies were on the order of 400–500 ms. FIGURE 46.9 Attention increases the mean firing rates of ...
... than when she released the right bar (blue versus red traces). Limb modulations did not always accompany a bar release, but were found only when the attended cue was in the receptive field. Barrelease latencies were on the order of 400–500 ms. FIGURE 46.9 Attention increases the mean firing rates of ...
PII: S0006-8993(97) - UCSD Cognitive Science
... evidenced by an apparent expansion of hindlimb responsiveness into ‘cuneate’ cortex w6x. A comparable outcome has been reported for rats that had undergone neonatal forelimb amputation w10x. In those animals, the expansion of gracile fibers into the cuneate nucleus was extensive, but there was minim ...
... evidenced by an apparent expansion of hindlimb responsiveness into ‘cuneate’ cortex w6x. A comparable outcome has been reported for rats that had undergone neonatal forelimb amputation w10x. In those animals, the expansion of gracile fibers into the cuneate nucleus was extensive, but there was minim ...
Novel cyclic AMP signalling avenues in learning and memory
... densities and plays an important role in synaptic function. Several studies suggested that AKAP79/150 anchored PKA contributes to mechanisms associated with synaptic plasticity and memory processes, but the precise role of AKAPs in these processes is still unknown. In this study we established the m ...
... densities and plays an important role in synaptic function. Several studies suggested that AKAP79/150 anchored PKA contributes to mechanisms associated with synaptic plasticity and memory processes, but the precise role of AKAPs in these processes is still unknown. In this study we established the m ...
download file
... aspects of representation in the temporal cortices (e.g. arbitrary wire shapes, fractal patterns, and other abstract visual stimuli, Tanaka et al., 1991; Logothetis et al., 1994; 1995; Miyashita and Chang, 1988; Miyashita et al., 1993). A second population of neurons in STS cortex respond only when ...
... aspects of representation in the temporal cortices (e.g. arbitrary wire shapes, fractal patterns, and other abstract visual stimuli, Tanaka et al., 1991; Logothetis et al., 1994; 1995; Miyashita and Chang, 1988; Miyashita et al., 1993). A second population of neurons in STS cortex respond only when ...
Document
... Hypothetical scheme to show the APP-metabolite-induced toxicity through the disruption of ionic balance. APP is processed through the Golgi apparatus and is either (1) metabolized to sAPP, CT and BA fragments and released from the cell or (2) transported to and incorporated into the membrane as full ...
... Hypothetical scheme to show the APP-metabolite-induced toxicity through the disruption of ionic balance. APP is processed through the Golgi apparatus and is either (1) metabolized to sAPP, CT and BA fragments and released from the cell or (2) transported to and incorporated into the membrane as full ...
Unique features of the human brainstem and cerebellum
... 2001; Hoover and Strick, 1999; Dum and Strick, 2003; Kelly and Strick, 2003; Akkal et al., 2007). In addition to its contribution to cortical function, the cerebellum also can influence motor control by projections to brainstem structures like the vestibular nuclei that in turn affect movement (Lang ...
... 2001; Hoover and Strick, 1999; Dum and Strick, 2003; Kelly and Strick, 2003; Akkal et al., 2007). In addition to its contribution to cortical function, the cerebellum also can influence motor control by projections to brainstem structures like the vestibular nuclei that in turn affect movement (Lang ...
Respiratory-related neurons of the fastigial nucleus in response to
... reflexes. After paralysis of the animal, supplemental anesthetic was administered when irregularities were observed in ABP, heart rate, and respiratory rate and pattern. To minimize movement of brain by mechanical ventilation, a bilateral pneumothorax was created. The inlet of the ventilator was con ...
... reflexes. After paralysis of the animal, supplemental anesthetic was administered when irregularities were observed in ABP, heart rate, and respiratory rate and pattern. To minimize movement of brain by mechanical ventilation, a bilateral pneumothorax was created. The inlet of the ventilator was con ...
Background Presentation
... • Attention is the ability to select objects of interest from the surrounding environment • A reliable measure of attention is eye movement during object (target) selection • Early studies show that there are specific brain regions that are involved in the process of target selection – Superior Coll ...
... • Attention is the ability to select objects of interest from the surrounding environment • A reliable measure of attention is eye movement during object (target) selection • Early studies show that there are specific brain regions that are involved in the process of target selection – Superior Coll ...
Karuza, E. A., Newport, E. L., Aslin, R. N., Starling, S. J., Tivarus
... sequences in an extensive network of areas including the striatum, medial temporal lobe, LOC, and ventral occipito-temporal cortex. A more fine-grained moving window analysis revealed differences in activation between these two conditions early on during familiarization. In analyzing the behavioral r ...
... sequences in an extensive network of areas including the striatum, medial temporal lobe, LOC, and ventral occipito-temporal cortex. A more fine-grained moving window analysis revealed differences in activation between these two conditions early on during familiarization. In analyzing the behavioral r ...
Neural-Symbolic Learning and Reasoning: Contributions and
... Valiant (2000) that examines computationally tractable learning and reasoning given PAC constraints. These constraints consider limiting the agent’s environment via a probability distribution over the input space and relaxing performance bounds on learning and reasoning (Khardon and Roth, 1999). Des ...
... Valiant (2000) that examines computationally tractable learning and reasoning given PAC constraints. These constraints consider limiting the agent’s environment via a probability distribution over the input space and relaxing performance bounds on learning and reasoning (Khardon and Roth, 1999). Des ...