Stress Flashcards
what is a stressor?
the term used to describe the stimulus (internal or external) that prompts the biological and psychological stress response
what is stress?
a psychological and physiological experience that occurs when an individual encounters something of significance that demands their attention and/ or efforts to cope
what are the categorisations of stressors?
internal and external
what is an internal stressor?
originates from within the individual psychological or biological processes eg: attitude, rumination, low self-esteem
what is an external stressor?
originates from outside of the individual, environmental stimuli eg: exams, arguments with others, work pressure
what is the psychological stress response?
relates to how we think or feel about a stressor and differs between different people, A highly unique experience that depends on many factors
what is eustress?
a positive psychological stress response that Involves emotions such as being happy, Usually occurs when the stressor provides a positive opportunity for growth/ challenge and us a Temporary response
what is distress?
a negative psychological stress response, a prolonged stress response
what is the physiological stress response?
relates to how the body reacts to a stressor, Comprised of acute stress response and the chronic stress response (cortisol)
what is the acute stress response?
characterised by intense psychological and physiological symptoms that are brief in duration
when does the acute stress response occur?
when the stressor presents an immediate threat to an organisms safety
what response is the acute stress response?
An involuntary and automatic response, adaptive response allowing an organism to survive in the face of a stressor
what is the chronic stress response?
a form of stress that endures for several months or longer
what stress hormone is released in the chronic stress response?
cortisol
what are the key features of the chronic stress response?
- Does not demand an immediate response
- Rather a long-term biological response that will energise the body over a period of weeks/months
what is cortisol?
a hormone that is released in times of stress to aid the body in initiating and maintaining heightened arousal
what is cortisol released by?
adrenal glands
what does cortisol do in the acute stress response?
cortisol helps to energise the body by inducing the release of glucose and a rise in blood sugar levels
what are some key features of cortisol?
- Cortisol is released over a prolonged period and therefore takes longer to be secreted into the body
- Increases blood sugar levels, improves metabolism, energises the body, reduces inflammation
- High levels of cortisol long term can supress the immune system
what is the gut?
aka the gastrointestinal tract refers to the long flexible tube from mouth to anus that is the passageway involved in digestion
what is microbiota?
Refers to all of the microorganisms that live in the gut
what is the gut microbiome?
Refers to all of the genes of the microorganisms that live in the gut