The Utah team developed an extensive list of psychological traits it felt the first recipient should possess.

There is a similar effect for several other psychological traits.

There may be a direct correlation between autoantibody levels and associated psychological traits.

The effect for several other psychological traits is similar.

What combination of physical and psychological traits got them through this ordeal?

They select for the psychological traits that have given them success in the past?

It seeks to identify the genetic and environmental influences on the development of psychological traits.

Certain psychological traits would develop in people who must tolerate the demands of a crowded environment.

But these psychological traits are not uncommon in the population, and most will never go on to murder their family.