Tag: anxiety

Clinical Disorder: Major Depressive Disorder

The clinical disorder I will focus on in this blog is major depressive disorder. Depression is more than temporary sadness; it can involve persistent low mood, loss of interest, fatigue, sleep or appetite changes, feelings of worthlessness or guilt, difficulty concentrating, and impaired functioning. I selected this disorder because it is clinically complex and closely connected to personality and individual difference factors. Two people may meet criteria for depression but differ greatly in emotional reactivity, self-criticism, attachment style, coping, social support, trauma history, cultural background, and resilience.

Personality theory is useful for understanding why depression develops, why it persists, and why treatment may need to be individualized. Cervone and Pervin (2023) describe personality as involving psychological systems that contribute to enduring and distinctive patterns of experience and behavior. This is important because depressive symptoms do not occur in isolation from the person’s broader personality structure and life context. For example, a client high in neuroticism may be more vulnerable to stress, rumination, and negative emotion, while a client with low conscientiousness may struggle with routine, behavioral activation, or treatment follow-through.

Empirical research supports the relevance of personality in depression. Kotov et al. (2010) found that common mental disorders, including depressive disorders, are strongly linked to broad personality traits, with neuroticism showing a particularly strong association. Kendler et al. (2006) found in a longitudinal population-based twin study that neuroticism predicted lifetime and new-onset major depression, suggesting that personality vulnerability can be relevant across time. Treatment research also supports the clinical importance of personality assessment. Quilty et al. (2008) examined dimensional personality traits and treatment outcomes among patients with major depressive disorder, highlighting that individual differences can influence treatment response.

For this blog, I will examine depression through a personality-informed lens. This means considering not only symptoms and diagnosis, but also coping style, self-beliefs, interpersonal patterns, strengths, and protective factors. Understanding personality can help clinicians select interventions that support symptom reduction, resilience, and long-term wellbeing.

References

Cervone, D., & Pervin, L. A. (2023). Personality: Theory and research (15th ed.). Wiley.

Kendler, K. S., Gatz, M., Gardner, C. O., & Pedersen, N. L. (2006). Personality and major depression: A Swedish longitudinal, population-based twin study. Archives of General Psychiatry, 63(10), 1113–1120. https://doi.org/10.1001/archpsyc.63.10.1113

Kotov, R., Gamez, W., Schmidt, F., & Watson, D. (2010). Linking “big” personality traits to anxiety, depressive, and substance use disorders: A meta-analysis. Psychological Bulletin, 136(5), 768–821. https://doi.org/10.1037/a0020327

Quilty, L. C., De Fruyt, F., Rolland, J.-P., Kennedy, S. H., Rouillon, F., & Bagby, R. M. (2008). Dimensional personality traits and treatment outcome in patients with major depressive disorder. Journal of Affective Disorders, 108(3), 241–250. https://doi.org/10.1016/j.jad.2007.10.022

Introductions

Hello, my name is Dr. JD Grisham, and I am developing as a scholar-practitioner in clinical psychology. My academic and professional interests have been shaped by work connected to psychology, marriage and family therapy, teaching, and clinical practice. Across these experiences, I have become increasingly interested in how people make meaning of their lives, how early relationships influence later functioning, and how individuals and families recover from emotional pain, trauma, and relational injury.

My clinical interests include trauma-informed care, attachment, family systems, anxiety, identity development, and access to mental health services for underserved populations. I am especially interested in the ways personality, culture, family context, and life experiences influence how clients understand themselves and respond to treatment. I believe effective clinical work requires more than identifying symptoms; it requires understanding the whole person, including strengths, coping patterns, relationships, values, and sources of resilience.

Through this blog, I hope to communicate with classmates, instructors, other academics, and members of the public who are interested in clinical psychology or mental issues. My goal is to write in a way that is scholarly but accessible to those outside the profession, while using research to explain clinical issues in practical terms. I also hope to explore how personality theory can help clinicians ask better questions, avoid one-size-fits-all assumptions, and tailor interventions to the needs of individual clients.

As I continue my training, I am committed to ethical, culturally responsive, and evidence-informed practice. I view clinical psychology as both a science and a helping profession. It requires careful assessment, critical thinking, compassion, humility, and a willingness to continue learning. I look forward to using this blog as a space to examine clinical disorders, personality theory, and the individual differences that shape mental health, treatment, and recovery. This domain was created several years ago, but was never utilized.