Health psychology
Introduction to Stress and Health
Understanding stress in relation to health problems requires acknowledging individual differences in stress responses.
Previous approaches failed to recognize these differences, leading to weak correlations between stress and health outcomes.
Stress Appraisal Process
Primary Appraisal
Definition: Primary appraisal is the initial evaluation of whether an event is perceived as a threat or a challenge.
Key Question: "Is the situation potentially stressful?"
Yes or No response.
Examples of situations that initiate primary appraisal:
Preparing for an exam.
Navigating issues in a significant relationship.
Managing financial obligations against inadequate funds.
Secondary Appraisal
Definition: Secondary appraisal evaluates an individual's perceived ability to cope with the stressful event.
Key Question: "Can I cope with this situation?"
If yes, it leads to a challenge appraisal.
If no, it leads to a threat appraisal.
Outcomes of Secondary Appraisal:
Challenge Appraisal: Person believes they can cope; termed Challenge.
Threat Appraisal: Person believes they cannot cope; termed Threat.
Differences in Challenge vs. Threat Appraisal
Subjective Experience
Emotional responses associated with Threat Appraisal:
Overwhelmed: Feelings of being unable to cope.
Anxious: Heightened worry about the future.
Panicky: A sense of being frozen or paralyzed.
Emotional responses associated with Challenge Appraisal:
Engaged: Involvement in the situation.
Unsure: There is effort needed to address the issue but still hopeful.
Frustrated: Conflicted feelings about the effort required.
Notable differences:
Threat appraisal results in high anxiety and leads to ineffective coping strategies (e.g., avoidance).
Challenge appraisal results in proactive behaviors and engagement with stressors.
Behavioral Responses
Actions stemming from Threat Appraisal:
Shutdown Behavior: Individuals are likely to give up or avoid the situation.
Actions stemming from Challenge Appraisal:
Engagement: Individuals actively tackle challenges and manage to work through the stress effectively.
Physiological Responses
Physiological Profile of Threat vs Challenge:
Challenge appraisal leads to higher heart rate, increased blood pressure, and increased cardiac output, but it is more adaptive as these adjustments are short-lived.
Threat appraisal also produces increased heart rate and blood pressure but leads to prolonged stress responses, resulting in immune dysfunction.
In challenge appraisal, there is decreased total peripheral resistance, allowing blood vessels to dilate, improving circulation.
In threat appraisal, increased peripheral resistance creates more pressure on blood vessels, causing greater wear and tear on the cardiovascular system.
Psychological Factors Influencing Appraisal
Familiarity with Stressful Situations
Having previous experience with similar stressors can reduce perceived stress:
Reduced stress with familiar events results in increased likelihood of challenge appraisal.
Example: The first exam creates more stress due to lack of familiarity compared to subsequent exams.
Controllability
A significant psychological factor; the perception of control leads to lower stress responses:
Individuals who believe they can manage a situation are more likely to report challenge appraisals.
Research Example: Rodent studies show that when rats had the ability to control shock delivery, their stress levels decreased.
The perceived loss of control can lead to increased stress (concept of learned helplessness).
Predictability
Predicting stressful events can promote coping efficacy:
Knowing when and how a stressor will occur can prepare individuals for effective management.
Familiarity overlaps with predictability; however, predictability focuses on anticipating the timing and specifics of stressful situations.
Example: Scheduled exams reduce stress compared to surprise tests.
Imminence
Refers to the timing of approaching stressful events:
As a stressful event approaches in time, stress levels often increase because of perceived immediacy and urgency.
Example: The anticipation of a speech increases stress levels as the event's start time nears; however, once engaged, stress levels may drop.
Connections: Mind-Body Relationship
Highlights the profound interplay between psychological perceptions and physiological outcomes:
The way stress is perceived directly influences cardiovascular responses, immune function, and overall health.
Challenge appraisals lead to healthier physiological responses compared to threat appraisals, underscoring the biopsychosocial model's relevance in stress studies.
Summary and Implications
The appraisal process informs the coping strategies individuals will adopt.
Understanding individual differences in appraisal can lead to better mental health outcomes and stress management techniques.
Ongoing inquiry into these factors and their implications on well-being remains essential for both psychological and physiological health.