INTRAANALYZER CONDITIONED REFLEX PROPERTIES OF TWO
... of the electrocutaneous reinforcement did not occur on three successive presentations of the auditory signal. Neuronal pairs without any dependent relations, in this case, were entirely absent. The number of neuronal pairs with one-way connections remained practically unchanged. If we take the func ...
... of the electrocutaneous reinforcement did not occur on three successive presentations of the auditory signal. Neuronal pairs without any dependent relations, in this case, were entirely absent. The number of neuronal pairs with one-way connections remained practically unchanged. If we take the func ...
Throwing while looking through prisms
... hit near the centre of the target. The trial-to-trial scatter varied with the throwing skill of the individual. When the subject first donned the prisms, she threw in the same direction as gaze and hit to the left of the actual target. With repeated throws there was a gradual shift in location of th ...
... hit near the centre of the target. The trial-to-trial scatter varied with the throwing skill of the individual. When the subject first donned the prisms, she threw in the same direction as gaze and hit to the left of the actual target. With repeated throws there was a gradual shift in location of th ...
The Distribution of Immunoreactivity for
... are stimulated by estrogens but inhibited by androgens. Although mechanisms are uncertain, one factor that could help define the spheres of influence and/or divisions of labor seen in hormone stimulation of the cerebral cortex could be the specific cortical distributions that intracellular, i.e. nuc ...
... are stimulated by estrogens but inhibited by androgens. Although mechanisms are uncertain, one factor that could help define the spheres of influence and/or divisions of labor seen in hormone stimulation of the cerebral cortex could be the specific cortical distributions that intracellular, i.e. nuc ...
Visual Coding and the Retinal Receptors
... in space from which light strikes it. • For other visual cells, receptive fields are derived from the visual field of cells that either excite or inhibit. – Example: ganglion cells converge to form the receptive field of the next level of cells. ...
... in space from which light strikes it. • For other visual cells, receptive fields are derived from the visual field of cells that either excite or inhibit. – Example: ganglion cells converge to form the receptive field of the next level of cells. ...
Data Supplement
... the first session mice were sent across the ladder 3 times, then twice for the second training session, and only once for third and fourth training sessions. Baseline was obtained from the last training run. Post stroke testing was performed with one run per mouse. Ladder test performance was scored ...
... the first session mice were sent across the ladder 3 times, then twice for the second training session, and only once for third and fourth training sessions. Baseline was obtained from the last training run. Post stroke testing was performed with one run per mouse. Ladder test performance was scored ...
lmmunocytochemical Mapping of 18236, A Brain
... 18236, some uniquely reactive sites were seen. Antisera to the most N-terminal of the three synthetic immunogens (P5) were reactive with neurons of the medial trapezoid nucleus and in nerve terminals surrounding the deep cerebellar nuclei. Antisera against the most C-terminal synthetic immunogen (P7 ...
... 18236, some uniquely reactive sites were seen. Antisera to the most N-terminal of the three synthetic immunogens (P5) were reactive with neurons of the medial trapezoid nucleus and in nerve terminals surrounding the deep cerebellar nuclei. Antisera against the most C-terminal synthetic immunogen (P7 ...
Canonical computations of cerebral cortex
... recurrence in selectivity may arise in adaptation or perceptual learning [e.g. 47] or blockade of cortical areas lateral to a site [48]). This was first established in cat V1, in which cortex, and thus intracortical input, was silenced either by cooling [49] or by electrical shock (which evoked mass ...
... recurrence in selectivity may arise in adaptation or perceptual learning [e.g. 47] or blockade of cortical areas lateral to a site [48]). This was first established in cat V1, in which cortex, and thus intracortical input, was silenced either by cooling [49] or by electrical shock (which evoked mass ...
Inverted pyramidal neurons in chimpanzee sensorimotor cortex are
... pyramidals is unknow n, holding out the possibility ...
... pyramidals is unknow n, holding out the possibility ...
Neural Networks
... The brain mostly consists NOT of neurons, there are about 10-50 times more glia (greek: “glue”) cells in the central nervous tissue of vertebrates. The function of glia is not understood in full detail, but their active role in signal transduction in the brain is probably small. Electrical and chemi ...
... The brain mostly consists NOT of neurons, there are about 10-50 times more glia (greek: “glue”) cells in the central nervous tissue of vertebrates. The function of glia is not understood in full detail, but their active role in signal transduction in the brain is probably small. Electrical and chemi ...
Context-US Learning in Aplysia californica
... were anesthetized by immersion in icy (l-3%) salt-water, and their obtaining betweenan aversive US and the context in which that parapodia were excised in order to provide an unobstructed view of US occurred. To this end, subjectswere exposeddaily to 2 very and access to the siphon and mantle shelf. ...
... were anesthetized by immersion in icy (l-3%) salt-water, and their obtaining betweenan aversive US and the context in which that parapodia were excised in order to provide an unobstructed view of US occurred. To this end, subjectswere exposeddaily to 2 very and access to the siphon and mantle shelf. ...
ORIGIN OF THE PERICELLULAR BASKETS OF THE PYRAMIDAL
... neuron. The vertical dendrites (Figs. 5-7) are a prominent feature of the cortical basket cells. The superior vertical dendrite crosses layer III and terminates in layer II. The inferior vertical dendrite crosses the layer V and terminates in layer VI. Both of these dendrites may measure up to sever ...
... neuron. The vertical dendrites (Figs. 5-7) are a prominent feature of the cortical basket cells. The superior vertical dendrite crosses layer III and terminates in layer II. The inferior vertical dendrite crosses the layer V and terminates in layer VI. Both of these dendrites may measure up to sever ...
Slide 1
... Sensory input to spinal trigeminal nucleus & to principal sensory nucleus anterior & posterior trigeminothalamic tracts thalamus somatosensory cortex ...
... Sensory input to spinal trigeminal nucleus & to principal sensory nucleus anterior & posterior trigeminothalamic tracts thalamus somatosensory cortex ...
Computational Constraints that may have Favoured the Lamination
... to the non-topographic olfactory sense, this function may not require new cortical machinery to be carried out efficiently (Haberly, 1990). I explore here the possibility that a novel circuitry is instead advantageous, but only quantitatively, when the generic function is specialized to topographic ...
... to the non-topographic olfactory sense, this function may not require new cortical machinery to be carried out efficiently (Haberly, 1990). I explore here the possibility that a novel circuitry is instead advantageous, but only quantitatively, when the generic function is specialized to topographic ...
Document
... unconscious and comatose. During deep sleep, all metabolic functions are significantly reduced; during TEM sleep, muscular activities ar inhibited while cerebral activity is similar to that seen in awake individuals. Sleep disorders result in abnormal reaction times, mood swings and behaviors. Awake ...
... unconscious and comatose. During deep sleep, all metabolic functions are significantly reduced; during TEM sleep, muscular activities ar inhibited while cerebral activity is similar to that seen in awake individuals. Sleep disorders result in abnormal reaction times, mood swings and behaviors. Awake ...
This Week in The Journal Cellular/Molecular The N-Terminal Portion of A 
... Research from the previous decade suggests that word meaning is partially stored in distributed modality-specific cortical networks. However, little is known about the mechanisms by which semantic content from multiple modalities is integrated into a coherent multisensory representation. Therefore w ...
... Research from the previous decade suggests that word meaning is partially stored in distributed modality-specific cortical networks. However, little is known about the mechanisms by which semantic content from multiple modalities is integrated into a coherent multisensory representation. Therefore w ...
The Role of Dopamine in Locomotor ... 173
... Alternatively, conflicting data may have been reported because the DA ceils originating in VTA are not n~iformIy involved in Iocomotion; whereas bilateral 6OHDA lesions of the Iimbic terminal regions, nucleus accumbens and olfactory tubercie resuft in decreased locomotor activity9~,10~,similar lesio ...
... Alternatively, conflicting data may have been reported because the DA ceils originating in VTA are not n~iformIy involved in Iocomotion; whereas bilateral 6OHDA lesions of the Iimbic terminal regions, nucleus accumbens and olfactory tubercie resuft in decreased locomotor activity9~,10~,similar lesio ...
THALAMUS
... medial nuclear group; the lateral mass contains the lateral nuclear group and the ventral nuclear group. In the rostral part of the thalamus the internal medullary lamina splits to form a partial capsule around the anterior nuclear group. Finally, a fifth nuclear group, termed the intralaminar nucle ...
... medial nuclear group; the lateral mass contains the lateral nuclear group and the ventral nuclear group. In the rostral part of the thalamus the internal medullary lamina splits to form a partial capsule around the anterior nuclear group. Finally, a fifth nuclear group, termed the intralaminar nucle ...
Slide 1
... FIGURE 25.12 Tuning curves of two type I auditory nerve fibers. These curves plot the sound pressure level necessary to cause a response as a function of sound frequency. Within the tuning curve, the fiber responds to sound, whereas outside the tuning curve, there is only spontaneous firing (insets ...
... FIGURE 25.12 Tuning curves of two type I auditory nerve fibers. These curves plot the sound pressure level necessary to cause a response as a function of sound frequency. Within the tuning curve, the fiber responds to sound, whereas outside the tuning curve, there is only spontaneous firing (insets ...
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... Note: All the three projects directly to the spinal cord via corticospinal tract. • Premotor and supplementary motor cortex also project to primary motor cortex and is involved in coordinating & planning complex sequences of movement (motor learning). ...
... Note: All the three projects directly to the spinal cord via corticospinal tract. • Premotor and supplementary motor cortex also project to primary motor cortex and is involved in coordinating & planning complex sequences of movement (motor learning). ...
Fatigue and Inhibition
... At this point in discussions such as this it is customary to introduce a simple diagram like Figure 25A, hallowed by long use, to explain the nerve impulse. Let us introduce it by all means. In the resting state the cell has more positive ions on the outside and more negative ions inside, separated ...
... At this point in discussions such as this it is customary to introduce a simple diagram like Figure 25A, hallowed by long use, to explain the nerve impulse. Let us introduce it by all means. In the resting state the cell has more positive ions on the outside and more negative ions inside, separated ...
Corticofugal modulation of functional connectivity within the auditory
... The technique of reversible deactivation of the cerebral cortex (Payne et al., 1996) is a tool of importance to study the cortical influence on thalamic activity. Of the available deactivation techniques, reversible cooling offers several advantages, in particular because steady state deactivated co ...
... The technique of reversible deactivation of the cerebral cortex (Payne et al., 1996) is a tool of importance to study the cortical influence on thalamic activity. Of the available deactivation techniques, reversible cooling offers several advantages, in particular because steady state deactivated co ...
The auditory pathway: Levels of integration of information and
... Although the ascending (afferent) AP is better known, the ear has a descending (efferent) pathway as well, with neurons running parallel to the former. Even though little is known about this pathway, it is deemed to regulate the AC function with the lower auditory centers and Corti’s organ. The effe ...
... Although the ascending (afferent) AP is better known, the ear has a descending (efferent) pathway as well, with neurons running parallel to the former. Even though little is known about this pathway, it is deemed to regulate the AC function with the lower auditory centers and Corti’s organ. The effe ...