PSYA02 April 3, 2013
Peripheral Nervous System
Sympathetic nervous system
Heart rate increases, blood pressure rises, blood
sugar rises, blood flow directed to internal organs
Breathing deeper and faster
Digestion stops, perspiration increases
Adrenal glands secrete adrenalin
Being in this state of stress can actually
cause damage to the body after being in the
state for a long period of time.
General Adaptation Syndrome
Stressor: something that can cause stress, stressful events. However, a stressor
depends from person to person – it’s all in how you view a situation.
Hans Sellier was first to document relation between
psychological stress and physical health.
Thoughts can affect body – spend so much time
worrying and thinking about stressors that the body itself
begins to weaken.
o Psychology is not unconnected to physiology
Health Effects PSYA02 April 3, 2013
The Big Picture (The Mind-Body Issue)
Whether something is a “stressor” or not is psychological … how you view it or think
You can be stressed about something for a while until you get something new
that you stress about that overtakes the old stress. The old stress becomes less
important in your eyes.
So the psychological clearly can affect the physical
That also means that psychology can have positive effects, both in terms of dealing with
stress, and with respe