Lecture 5 - Lecture5 09/02/201011:19:00 PubertyinBoys

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

View Full Document Right Arrow Icon
09/02/2010 11:19:00 Puberty in Boys Not much data on first ejaculation o Current age is 12.5 in U.S. o Kinsey data in 1948 reported age is between 13-14 Effect of environmental estrogens on boys o Lower sperm counts and lower motility  o Need more research Interaction of Heredity and Environment. Genes and environment interact to create the timing of puberty Nature vs. Nurture  o Research finds an interaction of genes and environment  Mechanisms of person/environment interactions: o Reactive – different reactions to events/environment o Evocative – a person’s personality causes reaction to the environment  o Proactive – Individuals select and construct their own environment  Psychological Impact of Changes Reaction to menarche Reaction to first ejaculation Reaction to entering puberty early, on-time, or late? Early and Late Maturation 
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 / 5

Lecture 5 - Lecture5 09/02/201011:19:00 PubertyinBoys

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