Axon
... • CLINICAL MODULE Describe how brain waves are monitored, and explain the normal and clinical significance of various brain waves seen on an electroencephalogram. ...
... • CLINICAL MODULE Describe how brain waves are monitored, and explain the normal and clinical significance of various brain waves seen on an electroencephalogram. ...
Visual and oculomotor selection: links, causes and
... additional ‘distracter’ stimuli outside the V4 neuron receptive field, as has been observed during attention. These findings suggest that the gain of visual responses in extrastriate cortex is directly modulated by the same activity that elicits a saccade to a particular location, and they suggest a ...
... additional ‘distracter’ stimuli outside the V4 neuron receptive field, as has been observed during attention. These findings suggest that the gain of visual responses in extrastriate cortex is directly modulated by the same activity that elicits a saccade to a particular location, and they suggest a ...
Glutamate Receptors Form Hot Spots on Apical Dendrites of
... Patch-pipette recordings were obtained from the somata of layer V pyramidal neurons in parasagittal neocortical slices (300 m thick) from 15- to 25-day-old male Sprague-Dawley rats, as described previously (Dodt et al. 1998). Individual neurons were visualized using the newly developed infrared “gr ...
... Patch-pipette recordings were obtained from the somata of layer V pyramidal neurons in parasagittal neocortical slices (300 m thick) from 15- to 25-day-old male Sprague-Dawley rats, as described previously (Dodt et al. 1998). Individual neurons were visualized using the newly developed infrared “gr ...
What Is the Nervous System?
... • *The peripheral nervous system includes the network of nerves that links the rest of your body to your brain and spinal cord. • *The peripheral nervous system carries information to the central nervous system, and then carries responses from the central nervous system to the rest of the body. ...
... • *The peripheral nervous system includes the network of nerves that links the rest of your body to your brain and spinal cord. • *The peripheral nervous system carries information to the central nervous system, and then carries responses from the central nervous system to the rest of the body. ...
Mechanisms of Visual Attention in the Human Cortex
... firing rate and a single poor stimulus elicited a low firing rate, the response to the paired stimuli was reduced compared with that elicited by the single good stimulus. This result indicates that two stimuli present at the same time within a neuron’s RF are not processed independently, but rather ...
... firing rate and a single poor stimulus elicited a low firing rate, the response to the paired stimuli was reduced compared with that elicited by the single good stimulus. This result indicates that two stimuli present at the same time within a neuron’s RF are not processed independently, but rather ...
The Nervous System
... a. helps control the functioning of most internal organs 3. controls hormone secretion by anterior and posterior pituitary glands a. indirectly helps control hormone secretion by most other endocrine glands 4. contains center for controlling appetite, wakefulness, pleasure, etc ii. structure and fun ...
... a. helps control the functioning of most internal organs 3. controls hormone secretion by anterior and posterior pituitary glands a. indirectly helps control hormone secretion by most other endocrine glands 4. contains center for controlling appetite, wakefulness, pleasure, etc ii. structure and fun ...
The Timing of Response Onset and Offset in Macaque
... of cortical layer. V1 neurons were recorded on the operculum and in the calcarine sulcus (typical receptive field eccentricities were 2–5° and 8 –24°, respectively). LGN cells were recorded from magnocellular and parvocellular layers at eccentricities ranging from 1 to 23°. MT cells were recorded at ...
... of cortical layer. V1 neurons were recorded on the operculum and in the calcarine sulcus (typical receptive field eccentricities were 2–5° and 8 –24°, respectively). LGN cells were recorded from magnocellular and parvocellular layers at eccentricities ranging from 1 to 23°. MT cells were recorded at ...
12 - Humbleisd.net
... • EEG = electroencephalogram • Records electrical activity that accompanies brain function • Measures electrical potential differences between various cortical areas ...
... • EEG = electroencephalogram • Records electrical activity that accompanies brain function • Measures electrical potential differences between various cortical areas ...
The Integrated Nature of Motor Cortical Function
... and Rispal-Padel 1976). In many such cases, the evoked EMG responses were such that the largest responses from a distal muscle were obtained by stimulation at a medially situated point and those of a proximal muscle from a laterally situated point (Fig. 4). A Spearman rank order analysis showed that ...
... and Rispal-Padel 1976). In many such cases, the evoked EMG responses were such that the largest responses from a distal muscle were obtained by stimulation at a medially situated point and those of a proximal muscle from a laterally situated point (Fig. 4). A Spearman rank order analysis showed that ...
Corollary Discharge Inhibition and Preservation of Temporal
... Antidromic activation of NELL cells was obtained by stimulating the ipsilateral anterior exterolateral nucleus, using a pair of sharpened tungsten electrodes that were insulated except at the tip. Recording.Curare blocks synaptic transmission between electromotoneuron axons and electrocytes, thus pr ...
... Antidromic activation of NELL cells was obtained by stimulating the ipsilateral anterior exterolateral nucleus, using a pair of sharpened tungsten electrodes that were insulated except at the tip. Recording.Curare blocks synaptic transmission between electromotoneuron axons and electrocytes, thus pr ...
In VivoCalcium Imaging Reveals Functional Rewiring of Single
... taking on the functional roles of lost tissues. Although this model is well supported by data, it is not clear how activity in single neurons is altered in relation to cortical functional maps. It is conceivable that individual surviving neurons could adopt new roles at the expense of their usual fu ...
... taking on the functional roles of lost tissues. Although this model is well supported by data, it is not clear how activity in single neurons is altered in relation to cortical functional maps. It is conceivable that individual surviving neurons could adopt new roles at the expense of their usual fu ...
The neural subjective frame: from bodily signals to perceptual
... try to specifically capture this fundamental property [13,25]. The existing neural theories of consciousness sometimes seem to imply that the first-person perspective inherent to conscious perceptual experience would arise somehow from externally triggered signals. However, the first-person perspect ...
... try to specifically capture this fundamental property [13,25]. The existing neural theories of consciousness sometimes seem to imply that the first-person perspective inherent to conscious perceptual experience would arise somehow from externally triggered signals. However, the first-person perspect ...
Responses of the human motor system to observing actions across
... authors concluded that this region may become activated for any action belonging to the repertoire of human actions, whereas actions not generally performed by humans (e.g., barking) may be recognized based on their visual rather than motor properties. Though the fMRI findings are correlational in na ...
... authors concluded that this region may become activated for any action belonging to the repertoire of human actions, whereas actions not generally performed by humans (e.g., barking) may be recognized based on their visual rather than motor properties. Though the fMRI findings are correlational in na ...
Article Full Text PDF
... placed in the chamber, and an inflow tube, with a mouthpiece made from a pipetteman tip, was placed in its mouth. A small tissue paper ribbon was inserted into the drainage tube and wrapped around the opercula. Melted agarose was cooled until about to solidify, and was poured into the chamber (gray ...
... placed in the chamber, and an inflow tube, with a mouthpiece made from a pipetteman tip, was placed in its mouth. A small tissue paper ribbon was inserted into the drainage tube and wrapped around the opercula. Melted agarose was cooled until about to solidify, and was poured into the chamber (gray ...
SYNAPTIC TRANSMISSION I Tim Murphy NRSC 500, 2011
... CNS synapses and quanta. • At CNS synapses with only a single release site, changing the probability of release (i.e. changing calcium concentration) does not effect the amplitude of the response (as only zero or one vesicle is released in theory). • At CNS synapses with multiple release sites, ch ...
... CNS synapses and quanta. • At CNS synapses with only a single release site, changing the probability of release (i.e. changing calcium concentration) does not effect the amplitude of the response (as only zero or one vesicle is released in theory). • At CNS synapses with multiple release sites, ch ...
Anatomical Evidence of Multimodal Integration in Primate
... processing (Hikosaka et al., 1988; Calvert et al., 2001). Previous anatomical and single-unit recording studies point to multisensory integration in polysensory areas located in temporal, parietal, and frontal cortex (Goldman-Rakic, 1988). However there is recent electrophysiological and brain imagi ...
... processing (Hikosaka et al., 1988; Calvert et al., 2001). Previous anatomical and single-unit recording studies point to multisensory integration in polysensory areas located in temporal, parietal, and frontal cortex (Goldman-Rakic, 1988). However there is recent electrophysiological and brain imagi ...
Neuromodulation of in Layer II Medial Entorhinal Cortex I
... SCs and membrane potential resonance at more depolarized pothrough activation of mAChRs, tail currents were measured in 1 tentials (Yoshida and Alonso, 2007; Heys et al., 2010). As such, we M atropine, a competitive mAChR antagonist and measured sought to provide the first direct measurement of M c ...
... SCs and membrane potential resonance at more depolarized pothrough activation of mAChRs, tail currents were measured in 1 tentials (Yoshida and Alonso, 2007; Heys et al., 2010). As such, we M atropine, a competitive mAChR antagonist and measured sought to provide the first direct measurement of M c ...
The effect of selective attention on auditory frequency
... was to explore these underlying short-term neural mechanisms that can sharpen the frequency selectivity at AC under selective attention. The topic was investigated by a psychophysical experiment where parametric changes in attention and background noise were used to bias the cortical responses. In t ...
... was to explore these underlying short-term neural mechanisms that can sharpen the frequency selectivity at AC under selective attention. The topic was investigated by a psychophysical experiment where parametric changes in attention and background noise were used to bias the cortical responses. In t ...
Abstract The cochiear nucleus of the barn owl is composed of two
... of discrimination which select some arbitrary cutoff level (along some quantitative measure of phase locking such as vector strength) and reject any responses which fall below that level. These methods are artificial because some assumption must be made about what does or does not represent a level ...
... of discrimination which select some arbitrary cutoff level (along some quantitative measure of phase locking such as vector strength) and reject any responses which fall below that level. These methods are artificial because some assumption must be made about what does or does not represent a level ...
Lab 2. Medulla - Stritch School of Medicine
... • inferior cerebellar peduncle – has greatly increased in size and now contains the dorsal spinocerebellar tract. ...
... • inferior cerebellar peduncle – has greatly increased in size and now contains the dorsal spinocerebellar tract. ...
Plasticity of Sensory and Motor Maps in Adult Mammals
... mapsat three levels of cortical processing in the somatosensorycortex, and for changes that cannot be easily attributed to the relay of subcortical reorganizations. To date, the bulk of the evidence for plasticity in maps stems from experiments in the somatosensory system. Thus, "Are other sensory a ...
... mapsat three levels of cortical processing in the somatosensorycortex, and for changes that cannot be easily attributed to the relay of subcortical reorganizations. To date, the bulk of the evidence for plasticity in maps stems from experiments in the somatosensory system. Thus, "Are other sensory a ...
Applauding with Closed Hands: Neural Signature of Action
... Another study demonstrated that this difference not only exists between categories but also within them, e.g., the specific contributions of motor channels within a modality-specific category of artifacts ([5] for reviews, see, [6,7]). Hence, the motor repertoire becomes a semantic repertoire. In th ...
... Another study demonstrated that this difference not only exists between categories but also within them, e.g., the specific contributions of motor channels within a modality-specific category of artifacts ([5] for reviews, see, [6,7]). Hence, the motor repertoire becomes a semantic repertoire. In th ...
Principles of Neural Science
... stimulus, determined by the type of energy transmitted by the stimulus and the receptors specialized to sense that energy (Figure 21-1). Receptors, together with their central pathways and target areas in the brain, comprise a sensory system, and activity within a system gives rise to specific types ...
... stimulus, determined by the type of energy transmitted by the stimulus and the receptors specialized to sense that energy (Figure 21-1). Receptors, together with their central pathways and target areas in the brain, comprise a sensory system, and activity within a system gives rise to specific types ...
Odorant-induced Oscillations in the Mushroom Bodies of
... of olfactory processing and learning, for the mushroom bodies are the main target neuropil of olfactory projection interneurons that originate in the glomerular antenna1 lobes (Christensen and Hildebrand, 1987; Masson and Mustaparta, 1990). The mushroom bodies of insects are therefore the second pri ...
... of olfactory processing and learning, for the mushroom bodies are the main target neuropil of olfactory projection interneurons that originate in the glomerular antenna1 lobes (Christensen and Hildebrand, 1987; Masson and Mustaparta, 1990). The mushroom bodies of insects are therefore the second pri ...
Blepharospasm
... essential blepharospasm (BEB), is not associated with any known etiology, whereas secondary blepharospasm is due to an identifiable neurologic or ophthalmologic disorder or documented pathologic lesion. Lesions associated with blepharospasm have been documented in the basal ganglia, brainstem, and t ...
... essential blepharospasm (BEB), is not associated with any known etiology, whereas secondary blepharospasm is due to an identifiable neurologic or ophthalmologic disorder or documented pathologic lesion. Lesions associated with blepharospasm have been documented in the basal ganglia, brainstem, and t ...