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Lecture 3

PSY100H1 Lecture Notes - Lecture 3: Sigmund Freud, Telomerase, Oxidative Stress

Course Code
Alison Smith

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Lecture 3 |November 10, 2008
- The joy of stress (Moretta Lorauche) positive ways of stress
- If problems effect your mind it will affect your body as well
Current events
- Geriatricians are a dying breed, field to be interested in
- Elderly driver (man in 70s) won a settlement to a car firm, travelled in Doublet and
was not allowed to rent a vehicle but was not able to rent a car because he was 75,
won a case
- Ageism alive and well beyond Toronto
- As our population ages, the number of Canadian older people are going to sky rocket
- In Ontario drivers of 80 are the fastest growing segment
- Elderly in ER are at hight risk to develop deliria and increases chance of dying
- In a delirious face it is temporary usually, caused by multitude of factors like
medication, illness (virus and infection)
- Bundle of genes in cells are telomeres caps of end of chromosomes
- Everytime cell divides telomere get shorter
- In natural aging process telomeres get so short that the cells can no longer divide, and that
could be reason why cell dies
- Telomerase is used to rebuild telomeres, decrease as we age
- Chronic stress accelerates this process
- Oxidative stress levels and free radical damage that we talk about, can appreciate how these
telomeres shorten and cells don’t divide readily anymore and cells dye off
- With chronic stress we are literally shortening out lives, if we deal with challenges we will
enhance quality of life we will increase amount of years
- People perception of stress was also key- cultural background, physically able to handle stress,
- I promised to be lovie.
- Sigmund freud psychology