Object perception: When our brain is impressed but we do not notice it

Object perception: when our brain is impressed but we do not notice it.

Although our eyes receive incomplete and ambiguous information, our perceptual system is usually able to successfully construct a stable representation of the world. In the case of ambiguous figures, however, perception is unstable, spontaneously alternating between equally possible outcomes. The present study compared EEG responses to ambiguous figures and their unambiguous variants. We found ...

We Do It for Our Patients.

I was told by a nurse attending a CCRN/PCCN review course that he had no intention of sitting for the certification examination. His response when I asked why was, “I will not be paid any more, my hospital does not pay for the test, and frankly I just don’t see any reason to do it.” When asked why he had come to the review course, he answered “Oh, I like to learn, it was free, and I’m being pai...

What do we know and when do we know it?

Two essential aspects of virtual screening are considered: experimental design and performance metrics. In the design of any retrospective virtual screen, choices have to be made as to the purpose of the exercise. Is the goal to compare methods? Is the interest in a particular type of target or all targets? Are we simulating a 'real-world' setting, or teasing out distinguishing features of a me...

When is sleepiness a disease? How do we measure it?

When it looks like familial hypercholesterolemia...but is not.