If we saw it, it must have been where we were looking!

I-36: Preimplantation Genetic Diagnosis - Where Have We Been and Where Are We Going

Preimplantation genetic diagnosis (PGD) is now considered routine in IVF laboratories with micromanipulation capability and access to genetic diagnostic services. The past two decades have witnessed a dramatic increase in the use of PGD, the number of cycles performed, and the indications for which PGD has been used. This increase has been mirrored by a slow, but steady, increase in the range o...

If we have it, do we use it?

Where we have been, where we are going.

If I saw it, it probably wasn't far from where I was looking.

People are most likely to see something if their gaze is directed at it. Thus if they saw something they may be biased towards believing that they had been looking at it. In order to examine whether this is so we asked participants where a target that jumped to a new position every 250 ms had been at a moment indicated by a flash or a tone. The jumping introduced uncertainty about where the tar...

Must We Value Life to Have a Right to It?

In her recent article "Death, Mis­­ fortune, and Species Inequality,"l Ruth Cigman gives clear, careful expression to an argument which seems well on its way to becomi ng a classic among opponents of animal rights. 2 Cigman's argument runs as follows: A right to X entails the right to be protected against certain actions which will result in the misfortune, or possible misfortu ne, of not-X. A ...