What systems are involved in the stress response?
The autonomic nervous system has a direct role in physical response to stress and is divided into the sympathetic nervous system (SNS), and the parasympathetic nervous system (PNS). When the body is stressed, the SNS contributes to what is known as the “fight or flight” response.
What does the stress response begin with?
This begins with the hypothalamus–pituitary–adrenal (HPA) axis (Figure 1). Those are some very long words, so scientists just call it the HPA axis. When the brain detects stress, it first sends a message to a part of the brain called the hypothalamus. The job of the hypothalamus is to wake up the pituitary gland.
What is the stress response theory?
Stress may be defined as a nonspecific response to perceived environmental threats (called stressors). But a particular environmental change (a demand or an event) may be perceived by one person as stressful and by another as benign.
What is the stress response system quizlet?
Define stress response. A generalized, systemic response to a stressor (internal/external, physical/psychological, short-term/long-term. Dr. Hans Selye. 1946 – He termed the physical response to stress as the General Adaptation Syndrome (GAS)
What is the function of the stress response?
The stress response, or “fight or flight” response is the emergency reaction system of the body. It is there to keep you safe in emergencies. The stress response includes physical and thought responses to your perception of various situations.
What is the Alarm stage of the stress response?
Alarm Stage of Stress – Rapid response generally called “fight or flight.” – Characterized by increases in heart rate, blood pressure, blood glucose, blood flow to muscle, etc. – This stage mediated by the catecholamines epinephrine, norepinephrine, dopamine released from adrenal medulla and sympathetic nerve endings.
How is the stress response different in males and females?
The physiological stress response typically involves activation of the sympathetic nervous system and the HPA axis in both genders. However, the stress response specifically builds on attachment care-giving processes in females. This tends to buffer the sympathetic and HPA arousal.
What causes long-term activation of the stress response?
Psychological stressors that cause long-term activation of the stress response – work and work relationships – the physical and emotional health of loved ones – homework, exams, and study associated with education Other types of long-term stressors – emotional or physical abuse