It's a matter of opinion.
"altruistic" or "altruistic behavior"
1.Over and Covert Behavior 2.Conscious and Unconscious Behavior3.Rational and Irrational Behavior4.Voluntary and Involuntary Behavior5.Simple and Complex Behavior
Human behaviour is recursive above the survival line.
Normality exists in societal and scientific expectations. However I believe that existence constitutes normality. -clm
Human behavior is most often studied by developmental psychologists, as well as clinical psychologists and psychiatrists.