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Summary Mood Disorders Child Psychopathology / Abnormal Psychology (PSY8X02)

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These notes provide a comprehensive overview of mood disorders in children and adolescents, including Major Depressive Disorder (MDD), Persistent Depressive Disorder (P-DD/Dysthymia), Disruptive Mood Dysregulation Disorder (DMDD), and Bipolar Disorder (BP). They cover DSM-5-TR diagnostic criteria, prevalence, comorbidity, developmental considerations, course and outcomes, differential diagnosis, major theories of depression, biopsychosocial causes using the 4Ps framework, and evidence-based treatment approaches such as Cognitive Behavioural Therapy (CBT), family interventions, and pharmacological management. The material is organised in an exam-focused format designed to help students apply diagnostic criteria to case studies, formulate developmental explanations, justify treatment recommendations within the South African context, and prepare confidently for assessments.

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For each disorder you have to know for exam:

1. Diagnostic criteria and match it to case study

2. Possible differential diagnosis

3. Developmental considerations (a developmental theory in

children-teens that explains or is interrupted by the disorder)

eg) attachment style, eriksons development

4. Aetiology/Causes: Use the 4Ps (Predisposing, Precipitating,

Perpetuating, and Protective) or the Biopsychosocial model

to case study aetiology/causes of disorder

5. Treatment approach best suited for the case and the disorder,

and take into consideration the SA context, and try to

substantiate your answer.



These are notes from the Child Psychopathology
Textbook by Mash et al. and includes:
 Overview of Mood Disorders . . . . 363
 Major Depressive Disorder (MDD) . . . 367 (Prevalence Comorbidity
Onset, Course, and Outcome Causes Treatment)
 10.4 Persistent Depressive Disorder [P-DD] (Dysthymia) . . . . . . . . .
.375
 10.5 Disruptive Mood Dysregulation Disorder
(DMDD) . . . . . . . . . . .377
 10.6 Associated Characteristics of Depressive
Disorders . . . . . . .378
 10.7 Theories of Depression . . . . . . . . 385
 10.8 Causes of Depression . . . . . . . . . 389
 10. 9 Treatment of Depression . . . . . .398
 10.10 Bipolar Disorder (BP) . . . . . . . . 406 (Prevalence Comorbidity
Onset, Course, and Outcome Causes Treatment)

, 10.3 Major Depressive (12 pages for exam)
Disorder (MDD)

MDD in Children and Adolescents


Five (or more) of the following symptoms have been present during the same 2-
week period and represent a change from previous functioning; at least one of
the symptoms is either (1) depressed mood or (2) loss of interest or pleasure.

Emoji Diagnostic Criteria for Major Depressive Disorder
1.1️. Depressed mood MOTD, NED, as indicated by subjective report (e.g., feels sad, empty, hopeless) or
😢
by others (e.g., appears tearful). Note: In children/adolescents, can be irritable mood.
😕 2. Diminished interest/pleasure in all, or almost all, activities MOTD, NED, as indicated by SA/OO
3. Significant weight loss (when not dieting) or weight gain, or change in appetite NED. Note: In children,
⚖️🍽️
consider failure to make expected weight gains.
🛌 4. Insomnia or hypersomnia NED.
🏃‍♂️ 5. Psychomotor agitation or retardation NED, observable by others (not merely Subjective feelings of
⏳ restlessness or being slowed down).
💤 6. Fatigue or loss of energy NED.
7. Feelings of Worthlessness or excessive/inappropriate Guilt (which may be delusional) NED (not
😔❗
merley self-reproach or guilt about being sick).
🤔 8. Diminished ability to Think/Concentrate or Indecisiveness NED, either by SA/OO
9. Recurrent thoughts of death (not just fear of dying), recurrent suicidal ideation without a specific plan,
💭💔
or a suicide attempt/specific plan for committing suicide.
🚫 (B) Symptoms cause clinically significant distress or impairment in S-O-OTHER-F
💊🩺 (C) Episode is not attributable P-E-S-OR-AMC
🧠❌ (D) Episode is not better explained by schizoaffective disorder, schizophrenia, or other psychotic disorders.
🌀 (E) No history of a manic or hypomanic episode (unless they are substance-induced/medical condition).
Specify if:
Mild: Two symptoms. Moderate: Three symptoms. Moderate-severe: Four or
five symptoms. Severe: Four or five symptoms and with motor agitation.
With anxious distress - With mixed features - With melancholic features-With
atypical features - With catatonia - With seasonal pattern (applies to pattern
of recurrent major depressive episodes) (p. 214
Category Key Points

Prevalence - Annual incidence: 2%-8% of youths (4-18 years) experience MDD.
- Preschool and school-age: 1%-3%
- Adolescence: Prevalence increases 2-3 fold.
- Lifetime prevalence: 11%-20% of youths. (USA) 9.8% South Africa

Developmental Factors - Preschool to elementary: Modest increase in depression due to self-awareness, cognitive
growth, and social pressures.
- Adolescence: Significant rise due to increased performance and social pressures.

Comorbidity - Up to 90% of youths with MDD have at least one other disorder, and 50% have two or
more.
- Common co-occurring disorders: anxiety, (P-DD), conduct problems, ADHD, and SUD.
- Conduct problems (ODD, CD) often linked with irritable mood in MDD.

Onset, Course, and - Onset: Most first depressive episodes occur between ages 13-15.
Outcome - Duration: Average episode lasts 8 months; shorter in community samples (4 months in
childhood, 2 months in adolescence).
- Recurrence: 25% within 1 year, 40% within 2 years, 70% within 5 years.
- Bipolar switch: About one-third of adolescents develop bipolar disorder.

Document information

Summarized whole book?
No
Which chapters are summarized?
Chapter 10 mood disorders
Uploaded on
June 9, 2026
Number of pages
10
Written in
2024/2025
Type
SUMMARY

Subjects

R133,33
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