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.