Mythology and reality should never be confused (but often are)

Lewy body and parkinsonian dementia: common, but often misdiagnosed conditions: Hydrocephalus should not be forgotten.

BACKGROUND Dementia with Lewy bodies (DLB) and Parkinson's disease dementia (PDD) are the two most common types of dementing neurodegenerative disease after Alzheimer's disease (AD). Both of these conditions are often diagnosed late or not at all. METHODS Selective literature review. RESULTS The severe cholinergic and dopaminergic deficits that are present in both DLB and PDD produce not on...

I-14: Assisted Reproduction and Religion What Consideration Should Be and Should Not Be Relevant,

Several important issues are pertinent to an ethical discussion of the new technology today grouped under the name Assisted Reproduction Technology (ART). This is a moral imperative because each of us must decide what is to be considered ethically acceptable in assisted reproduction. Reflecting on the ethical dimension of ‘creating’ a new human life can play a major role in ensuring that in eac...

[Radial artery access: should it be used more often?].

Permutation P-values should never be zero: calculating exact P-values when permutations are randomly drawn.

Permutation tests are amongst the most commonly used statistical tools in modern genomic research, a process by which p-values are attached to a test statistic by randomly permuting the sample or gene labels. Yet permutation p-values published in the genomic literature are often computed incorrectly, understated by about 1/m, where m is the number of permutations. The same is often true in the ...

Parents and mentors may be gone but they are never forgotten.