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STRESS…… Objectives: By the end of the session the students will be able to- Define Stress Recognise physiological signs of stress Theories of stress PowerPoint PPT Presentation


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STRESS…… Objectives: By the end of the session the students will be able to- Define Stress Recognise physiological signs of stress Theories of stress. Physiological Psychology. Seeks to explain behaviour in terms of body systems.

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STRESS…… Objectives: By the end of the session the students will be able to- Define Stress Recognise physiological signs of stress Theories of stress

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Stress objectives by the end of the session the students will be able to define stress recognise physiological signs

  • STRESS……

  • Objectives:By the end of the session the students will be able to-

  • Define Stress

  • Recognise physiological signs of stress

  • Theories of stress


Stress objectives by the end of the session the students will be able to define stress recognise physiological signs

  • Physiological Psychology.

  • Seeks to explain behaviour in terms of body systems.

  • The key assumption is that ultimately all behaviour can be reduced to and explained at the level of physiological systems.

  • Examples: Central & Autonomic nervous system, & hormones.


Stress objectives by the end of the session the students will be able to define stress recognise physiological signs

  • What is stress?????

  • “A pattern of negative physiological states & psychological responses occurring in situations where people perceive threats to their well being which they may be unable to meet.”

  • R.Lazurus & S. Folkman (1984)


Stress objectives by the end of the session the students will be able to define stress recognise physiological signs

  • Stress cont…

  • Stress is a nonspecific response of the body to any demand made on it

    • Eustress: pleasant, desirable stress as in the stress associated with exercise

    • Distress: is unpleasant stress as in illness

  • Stressors are stimuli that cause stress

    • Stressors can be major (loss of a parent) or can be minor (parking your car)

  • Body eventually fails when subjected to chronic stress


Stress objectives by the end of the session the students will be able to define stress recognise physiological signs

  • What is stress cont….

  • There needs to event called a stressor e.g. exam,unemployment, long term illness.

  • When we feel uncomfortable there is a set of changes which are measured for signs of stress.


Stress objectives by the end of the session the students will be able to define stress recognise physiological signs

  • Physiological signs of stress. (GAS)

  • Seyle (1976) Animals react similarly to humans in variety of situations.

  • He developed theory called General Adaptation Syndrome

  • Defined as a non-specific physiological response to a variety of stressful stimulus.


Stress objectives by the end of the session the students will be able to define stress recognise physiological signs

  • General Adaptation syndromecont….

  • Stage 1: Alarm Reaction

  • Perceived threat, drop in BP, muscle tension, the body prepares for confrontation.

  • Stage 2: Resistance

  • Chemical production

  • Body keeps up defences, but becomes vulnerable.

  • Stage 3 : Exhaustion

  • Body begins to manifest signs of prolonged hormone secretion, in need of recovery e.g low blood sugar, kidney damage, low hormone levels.


Stress objectives by the end of the session the students will be able to define stress recognise physiological signs

  • Evaluation of GAS model

  • Allows good insight into causes of stress related illness.

  • But still does not answer the question of why we perceive some events as threatening.

  • Overall what is needed is the person to be involved in the equation.


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