Child & Adolescent Psychopathology: DSM-5, Assessment, and Major Disorders

Introduction to the DSM-5 and Prevalence of Mental Illness

Prevalence of AMI (Any Mental Illness)

Any Mental Illness (AMI) encompasses a wide range of mental health disorders, from mild to severe, that can interfere with daily living. Understanding prevalence helps contextualize the scope and impact of mental health issues in society.

• Definition: AMI includes all recognized mental health disorders.

• Statistics: 22.8% of people report mental health struggles annually.

• Gender Differences: Females have higher rates of mental health issues.

• Age Differences: Young adults (18-25) have the highest prevalence (33.7%).

• Common Issues: Anxiety, depression, mood instability, and stress uncertainty.

Additional info: Mental health prevalence varies by state and is influenced by social, economic, and cultural factors.

Introduction to the DSM-5

Purpose and Structure

The DSM-5 (Diagnostic and Statistical Manual of Mental Disorders, 5th Edition) is the primary classification system for mental disorders in the U.S., providing standardized criteria for diagnosis.

• APA: Published by the American Psychiatric Association.

• History: Evolved from psychoanalytic theory to a more empirical, symptom-based approach.

• Sections: Diagnostic criteria, codes, measures, and models.

Classification Systems

• DSM-5: Categorical system with some dimensional elements.

• ICD: International Classification of Diseases, used globally.

Area	DSM-IV/TR	DSM-5
Axes	Multi-axial system	Single-axis system
Diagnosis	Primarily categorical	More dimensional, symptom-based
Examples	Personality Disorders, Medical Conditions	Integrated diagnostic approach

Assessment and Treatment Planning

Developing a Treatment Plan

Treatment planning is a structured process that involves identifying presenting problems, setting goals, and selecting interventions tailored to the client’s needs.

• Steps: Assessment, goal setting, intervention selection, outcome evaluation.

• SMART Goals: Specific, Measurable, Achievable, Relevant, Time-bound.

• Interventions: Techniques such as CBT, psychoeducation, relaxation training.

Example: "The client will learn about types of self-defeating thoughts and their impact on well-being."

Schizophrenia and Related Disorders

Schizophrenia Spectrum and Other Psychotic Disorders (SSOPD)

Schizophrenia and related disorders are characterized by abnormalities in perception, thought, and behavior. The DSM-5 provides criteria for diagnosis and classification.

• Key Features: Delusions, hallucinations, disorganized speech, disorganized behavior, negative symptoms.

• Positive Symptoms: Delusions, hallucinations, disorganized speech/behavior.

• Negative Symptoms: Flat affect, lack of motivation, reduced emotional expression.

• Cognitive Symptoms: Deficits in thinking, memory, and attention.

Type	Example
Word Salad	"Blue chair runs softly. Jump rope. My feet feel heavy today."
Clang Association	"I need to go to the store for more bore."
Loose Association	"The TV is on. Cheese by God. I am the president."

Phases of Schizophrenia

• Prodromal Phase: Early signs, weeks to months.

• Active Phase: Full symptoms, delusions, hallucinations.

• Residual Phase: Symptoms diminish but functional impairment persists.

Diagnostic Criteria (F20.9)

• Inclusion: Two of the following: delusions, hallucinations, disorganized speech, disorganized behavior.

• Duration: Symptoms must persist for at least 6 months.

• Exclusion: Not attributable to other medical or psychological conditions.

• Distress: Significant impairment in functioning.

Feature	Schizophrenia	Psychotic Disorder Due to Medical Condition
Core Symptoms	Delusions, hallucinations, disorganized speech/behavior	Psychotic symptoms due to a medical condition
Cause	Not medically attributable	Medically attributable
Examples	Schizophrenia, schizoaffective disorder	Epilepsy, brain tumor, temporal lobe epilepsy

Bipolar and Related Disorders

Bipolar I and II Disorders

Bipolar disorders are characterized by dramatic shifts in mood, energy, and activity levels. Diagnosis is based on the presence of manic, hypomanic, and depressive episodes.

• Bipolar I: At least one manic episode, may include depressive episodes.

• Bipolar II: At least one hypomanic episode and one major depressive episode.

• Cyclothymic Disorder: Chronic mood fluctuations, less severe than Bipolar I/II.

Feature	Cyclothymic Disorder	Bipolar I	Bipolar II
Duration	2+ years	1+ manic episode	1+ hypomanic + 1+ MDE
Symptoms	Mild ups and downs	Severe mania/depression	Depression + hypomania

Depressive Disorders

Major Depressive Disorder (MDD)

MDD is defined by persistent low mood, loss of interest or pleasure, and significant impairment in daily functioning.

• Criteria: At least one major depressive episode, lasting 2+ weeks.

• Symptoms: Depressed mood, anhedonia, weight change, sleep disturbance, fatigue, guilt, concentration issues, suicidal ideation.

• Exclusion: Not better explained by other mental health conditions.

Specifier	Definition	Key Features / Example
With psychotic features	Full criteria for MDD plus delusions/hallucinations	"Client hears voices during MDE"
With peripartum onset	Onset during pregnancy or within 4 weeks postpartum	"Symptoms began after childbirth"

Disruptive Mood Dysregulation Disorder (DMDD)

Characteristics and Diagnosis

DMDD is a childhood disorder marked by severe irritability, temper outbursts, and persistent angry mood.

• Inclusion: Severe temper outbursts, persistent irritability.

• Duration: Symptoms present for 1+ year, onset before age 10.

• Exclusion: Cannot diagnose before age 6 or after age 18.

• Distress: Symptoms must occur in multiple settings (home, school, peers).

Anxiety Disorders

Generalized Anxiety Disorder (GAD)

GAD is characterized by excessive, uncontrollable worry about multiple aspects of life, lasting for at least 6 months.

• Symptoms: Restlessness, fatigue, difficulty concentrating, irritability, muscle tension, sleep disturbance.

• Exclusion: Not due to substance or medical condition.

• Distress: Significant impairment in functioning.

Criteria	Adults	Children
Duration	More than or equal to 6 months	More than or equal to 6 months
Worry Domains	Work, finances, relationships	School, sports, family, safety
Associated Symptoms	More than or equal to 3 symptoms	More than or equal to 1 symptom

Other Anxiety Disorders

• Separation Anxiety Disorder: Excessive anxiety concerning separation from home or attachment figures.

• Selective Mutism: Failure to speak in specific social situations.

• Panic Disorder: Recurrent unexpected panic attacks.

• Phobia-Related Disorders: Specific phobia, social anxiety disorder, agoraphobia.

Obsessive-Compulsive Disorder (OCD)

Characteristics and Diagnosis

OCD is defined by the presence of obsessions (intrusive thoughts) and compulsions (repetitive behaviors) that cause significant distress and impairment.

• Obsessions: Unwanted, intrusive thoughts, images, or urges.

• Compulsions: Repetitive behaviors or mental acts performed to reduce anxiety.

• Cycle: Obsession → Anxiety/Distress → Compulsion → Short-term relief → Repeat.

Type	Example
Contamination	Fear of germs, dirt
Checking	Repeatedly checking locks, appliances
Symmetry	Arranging items in a specific order

Treatment Approaches

Evidence-Based Treatments

• Medication: SSRIs, antipsychotics, mood stabilizers.

• Psychotherapy: Cognitive Behavioral Therapy (CBT), Family Therapy, Psychoeducation.

• Other: Lifestyle changes, healthy diet, exercise, ECT for severe cases.

Additional info: Treatment plans should be individualized and collaborative, involving both client and clinician.