Stress Related illness-General Adaptation Syndrome

General adaptation Syndrome

Han Selyre (1940)

• Subjected rats to stressors
• found that rate produced simular patterns of physical respnceses no matter what teh stressor was. He called this...

General A.Syndrome
1)Alarm stage
2)Resistance Stage
3) Exhausion Stage

1) Alarm Stage

Stressor is dealt with.

Both pathways are active do we get ready for 'Fight or flight'.

 E.G-Pulse or breathing

2)Resistance Stage

If stressor persists SMP activity decreases but PAS path is maintained.

Since we have limited reasorces-->Bodys resistance is lowered

3)Exhausion Stage

If still persists->Bodys responce system breaks down

->Illness, fatigue, anxiety, depression, impaired physical and mental abilities occur.