Evolutionary psychology is the study and development of the mind and survival using/applying natural selection.
There is no one single gene that controls any function of our brain or our behavior.
Evolutionary psychologists have come to the conclusion that men have stronger sex drives than women do.
Women are more cautious and guarded than men are when picking a mate because of their ability to bear and nurse a child — there is more of a stake in it.
Men place more emphasis on personal attractiveness, while women put more emphasis on affluence and maturity.
Critics of evolutionary psychology state that:
Evolutionary psychologists work backward; they use hindsight bias.
Evolutionary psychology allows us to accept things as they are.
Evolutionary psychology discounts social and cultural changes.
We interact with our culture, which helps influence our behavior and genetic predispositions.
Argue against genetic disposition.
There are four stages of sleep, and it takes about 90 minutes to pass through the stages.
The first three stages are known as NREM sleep.
The fourth stage is called REM sleep.
^^^^ The brain’s waves will change according to the sleep stage you are in ^^^^
REM sleep is when we are practically paralyzed when we are sleeping, our eyes flutter, and we start dreaming.
The suprachiasmatic nucleus (SCN): a pair of cell clusters in the hypothalamus that controls circadian rhythm.
Too much melatonin from supplements can disrupt our circadian rhythms.