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The permeability of the amphibian oocyte nuclear envelope in situ has been determined for three tritiated dextrans. The envelope is a sieve, restricting molecular movement between the cytoplasm and nucleus. The patent radius of its pores is about 45å.
The ability to detect unusual events occurring in the environment is essential for survival. Several studies have pointed to the hippocampus as a key brain structure in novelty detection, a claim substantiated by its wide access to sensory information through the entorhinal cortex and also distinct aspects of its intrinsic circuitry. Novelty detection is… (More)
Two days after coronary artery bypass, a 75-year-old woman had sudden dense left-sided hemiplegia. A transthoracic echocardiogram showed a suspicious mass in the right atrium and right ventricle, which was confirmed by transesophageal echocardiography. Transesophageal echocardiography further demonstrated an elongated mass across a patent foramen ovale.… (More)
A 25-year-old man presented with sudden onset right-sided hemiplegia. Transthoracic and transesophageal echocardiograms demonstrated a mobile mass attached to the anterior mitral leaflet. The mass was, however, not found at operation.
Although we fundamentally agree with Schilbach et al., we argue here that there is still some residual utility for non-interactive scenarios in social neuroscience. They may be useful to quantify individual differences in prosocial inclination that are not influenced by concerns about reputation or social pressure.