March 5 - March 5, 2010 Data from animals In pheasant:...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
March 5, 2010 Data from animals In pheasant: ratio of 2 nd to 4 th digit of the foot can be altered by adding testosterone to eggs Disease Women with congenital adrenal hyperplasia (CAH) have more masculine 2D:4D Inherited condition Adrenal glands don’t produce right hormones for the body A caveat… 2D:4D ratio may explain the 2-10% of variation in human behavior and performance Distinguished between significant effects and biologically meaningful effects Are less symmetrical faces perceived as less attractive? Facial asymmetry may mean disease, or poor genetic quality Autism: more asymmetrical faces? Alternatives – vaccines? Pinkie toe asymmetry Occurs in uterus – visible at 26 weeks Indicates brain asymmetry during development Environmental disturbance -> development-> greater asymmetry Fluctuating asymmetry The farther you get away from the center on either side of 0 on the chart, the farther you are asymmetrical Idea derived from evolutionarily psychology
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

March 5 - March 5, 2010 Data from animals In pheasant:...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online