Laboratory of Neurophysiology, National Institute of Mental Health,. National Institutes of
Health, Bethesda, Maryland s PREADING CORTICAL DEPRESSION is a unique and deceptive …

Forty-one long-distance runners aged 50 to 72 years were compared with 41 matched community
controls to examine associations of repetitive, long-term physical impact (running) with …

In recent years the deliberate drawdown technique has become widely used for managing
waterfowl and muskrat marshes (Addy and MacNamara 1948, Uhler 1956). The Agassiz …

THESE EXPERIMENTS were undertaken to determine some of the general aspects of the
cortical reactions to photic and electrical stimulation-of the visual system in the cat. Bartley and …

The most important complications of intravascular administration of contrast agents include
idiosyncratic (anaphylactoid) reactions, shock, congestive heart failure, cardiac arrhythmias, …

PURPOSE: To correlate the imaging and pathologic features of undifferentiated (embryonal)
sarcoma (UES) and account for the discrepancy between the solid appearance at …

A new estimator is proposed for estimating ruffed grouse population densities by the line
transect method of sampling. The estimator, utilizing only the right angle distances from the …

The skin was stimulated by light pressure or brushing the hairs. Point by point examination
of the areas sending impulses to the points examined showed that the tactile system projects …

Stimulation is most effectively applied to hair-covered areas by a small camel's hair brush,
to bare regions by a von Frey hair. These objects are mounted on a light lever of laminated …

The minimum separation for two-point discrimination is a measure of sensory acuity which
may be described in terms of the mosaic of discrete end organs (visual, auditory, or tactile). …