Rapid resistance shifts in cat cortex during click-evoked responses.
Rapid resistance shifts in cat cortex during click-evoked responses
ELECTRICAL RESISTANCE↗
SEARCH · Engineering Papers
Results for “CEREBRAL CORTEX”
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Evoked responses from the auditory cortex.
Evoked response from auditory cortex in cat in relation to local injury to cortex, anesthesia, and sleep
REFLEX↗
Evoked responses from the auditory cortex.
Auditory cortex response of unanesthetized cats to acoustic stimuli
CEREBRAL CORTEX↗
Intracerebral transplants of primary muscle cells: a potential 'platform' for transgene expression in the brain
After the transplantation of rat primary muscle cells into the caudate or cortex of recipient rats, the muscle cells were able to persist for at least 6 months. Muscle cells transfected with expression plasmids prior to transplantation were able to express reporter genes in the brains for at least 2 months. These results suggest that muscle cells might be a useful 'platform' for transgene expression in the brain.
Non-NASA Center↗
Effect of radial acceleration on venous flow in the cerebral blood vessels of rabbits
Radial acceleration effect on venous blood flow in cerebral veins of rabbits
ANIMAL STUDY↗
Effect of general repeated vibration on oxygen tension in the brain of rats
Vibration effect on oxygen metabolism in cerebral tissue of rats
VIBRATION EFFECT↗
Neurophysiological correlates of information transaction and storage in brain tissue
Neurophysiological cerebral correlation model of information transactions, and information storage
INFORMATION THEORY↗
Selective attentiveness and cortical evoked responses to visual and auditory stimuli.
Selective short term attentiveness and cortical evoked responses in human beings to alternate flashing light and auditory clicks
AUDITORY STIMULUS↗
Visually evoked response correlates of perceptual masking and enhancements.
Perceptual masking and enhancements of two flashes in evoked cortical potentials recorded by electroencephalography
ELECTROENCEPHALOGRAPHY↗
Relationships of neuronal spike populations and EEG activity in chronic cats.
Neuronal spike populations and EEG activity in chronic unrestrained cats, noting multiple unit responses of acceleration/inhibition during behavioral conditioning procedures
CAT↗
Visually evoked response correlates of perceptual masking and enhancement.
Visually evoked cortical response correlates of perceptual masking and enhancement
PHOTIC STIMULATION↗
Evoked potentials and reaction times - a study of intra-individual variability.
Intra-individual variability of evoked potential and reaction time to photic stimulus
CEREBRAL CORTEX↗
Influence of frequency, number, and locus of stimuli on the intensity dependence of vibratory evoked cortical response in man
Stimuli frequency, number, and locus studied for intensity dependence of vibration-evoked cortical response in man
ELECTRODERMAL RESPONSE↗
Electrophysiology of chimpanzees during rapid decompression.
Cortical electroencephalographic activity /EEG/ RELATION to behavioral changes in chimpanzee following rapid decompression to near vacuum
DECOMPRESSION↗
Vigilance, attention, expectation and cortical evoked potentials.
Vigilance, attention, expectation and cortical evoked potentials with auditory and visual stimuli
ATTENTION↗
Excitability cycles and cortical scanning - a review of two hypotheses of central intermittency in perception.
Information processing in brain - cortical excitability cycles, cortical scanning in temporal perception
EXCITATION↗
Modification of the cortical click-evoked response during eye movement in cats.
Modification of cortical click-evoked response during eye movement in cats
CEREBRAL CORTEX↗
Raman-atomic force microscopy of the ommatidial surfaces of Dipteran compound eyes
The ommatidial lens surfaces of the compound eyes in several species of files (Insecta: Diptera) and a related order (Mecoptera) were analyzed using a recently developed Raman-atomic force microscope. We demonstrate in this work that the atomic force microscope (AFM) is a potentially useful instrument for gathering phylogenetic data and that the newly developed Raman-AFM may extend this application by revealing nanometer-scale surface chemistry. This is the first demonstration of apertureless near-field Raman spectroscopy on an intact biological surface. For Chrysopilus testaceipes Bigot (Rhagionidae), this reveals unique cerebral cortex-like surface ridges with periodic variation in height and surface chemistry. Most other Brachyceran flies, and the "Nematoceran" Sylvicola fenestralis (Scopoli) (Anisopodidae), displayed the same morphology, while other taxa displayed various other characteristics, such as a nodule-like (Tipula (Triplicitipula) sp. (Tipulidae)) or coalescing nodule-like (Tabanus punctifer Osten Sacken (Tabanidae)) morphology, a smooth morphology with distinct pits and grooves (Dilophus orbatus (Say) (Bibionidae)), or an entirely smooth surface (Bittacus chlorostigma MacLachlan (Mecoptera: Bittacidae)). The variation in submicrometer structure and surface chemistry provides a new information source of potential phylogenetic importance, suggesting the Raman-atomic force microscope could provide a new tool useful to systematic and evolutionary inquiry.
Eye/ultrastructure↗