Create an account
Environmental toxins include
ultra-violet, cross-linking agents (unsaturated fats), toxic chemicals (metal ions, Mg, Zn), radiation and viruses; and can result in errors in protein synthesis and in DNA synthesis/genetic sequences, cross-linkage of molecules, mutations.
Psychological Theories: Stess Theory
homeostatic imbalances result in changes in structural and chemical composition
General Adaptation Syndrome (Selye)
initial alarm reaction, progressing to stage of resistance, progressing to the stage of exhaustion; linked to hormonal theory
Erikson's bipolar theory of lifespan development: stages of later adulthood
Integrity: individual exhibits full unification of personality; life is viewed with satisfaction, optimisim, and growth. Despair: lack of ego integration; feelings of regret and disappointment and fear of death
older people that are socially active show improved adjustment to the aging process and role enactment is essential for a positive self image and satisfaction
older adult is distance from society; reduction in social roles leads to further isolation and life dissatisfaction
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together