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Class notes PSY 110 (ABNORMAL PSYCHOLOGY)

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Enhance your understanding of Abnormal Psychology with professionally organized and academically grounded notes designed to support effective learning and examination preparation. These notes present complex psychological concepts in a clear, structured, and accessible manner, making them ideal for college-level psychology courses. Key Features: Concise and well-organized summaries aligned with standard Abnormal Psychology syllabi Clear explanations of major psychological disorders based on DSM frameworks Comparative tables to distinguish closely related disorders Integrated theories, etiology, and evidence-based treatment approaches Examination-focused content for quizzes, midterms, and final assessments Topics Included: Anxiety, Mood, Personality, and Psychotic Disorders Trauma-Related, Dissociative, and Somatic Symptom Disorders Neurodevelopmental and Neurocognitive Disorders Risk factors, diagnostic criteria, and intervention strategies Major theoretical perspectives and key contributors in the field Designed for Academic Success These notes are carefully curated from textbooks, lectures, and academic references to provide students with a reliable and efficient study resource. Ideal for psychology majors, education students, and allied health learners seeking clarity and academic excellence. Format: Digital notes | Instant access | For long-term academic use Invest in a study resource that supports both conceptual understanding and academic performance in Abnormal Psychology.

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1 ABNORMAL BEHAVIOR IN HISTORICAL
CONTEXT
A. Understanding Psychopathology
1. What Is a Psychological Disorder
A psychological disorder, often referred to as a mental disorder or mental illness, is a
condition characterized by abnormal thoughts, feelings, and behaviors. These
abnormalities can significantly impair an individual’s daily functioning and can cause
considerable distress.
A psychological disorder typically involves dysfunction in emotional, cognitive, or
behavioral processes that deviate from what is culturally accepted. The concept of
"psychological disorder" is complex and often varies across different cultural and
historical contexts. It includes not only the presence of certain symptoms but also the
individual's subjective distress and the dysfunction caused by these symptoms.
2. The Science of Psychopathology
Psychopathology is the scientific study of psychological disorders, including their
symptoms, etiology (causes), and treatment. The field of psychopathology aims to
understand the nature of abnormal behavior, what contributes to the development of
mental disorders, and how these disorders can be treated effectively. It integrates
insights from various disciplines, such as psychology, psychiatry, neuroscience, and
social sciences.
The science of psychopathology involves the use of various research methods to
explore the biological, psychological, and social factors that contribute to mental
illness. It also focuses on developing and refining diagnostic criteria and treatment
modalities to improve mental health outcomes.
3. Historical Conceptions of Abnormal Behavior
The understanding and treatment of abnormal behavior has evolved significantly.
Historical conceptions of abnormal behavior can be broadly categorized into three
main traditions: the supernatural, the biological, and the psychological.
B. The Supernatural Tradition
The supernatural tradition in understanding psychological disorders is rooted in the
belief that mental illnesses are caused by external, supernatural forces, such as demons,
spirits, or cosmic influences. This perspective was dominant in various cultures
throughout history and often led to treatments aimed at expelling these forces.
1) Demons and Witches
During the Middle Ages, psychological disorders were often attributed to demonic
possession or witchcraft. People who exhibited unusual behavior were frequently
accused of being possessed by demons or practicing witchcraft. The church played a
significant role in perpetuating these beliefs, leading to widespread fear and the
persecution of individuals thought to be witches or demonically possessed. These

CHAPTER 1: ABNORMAL BEHAVIOR IN HISTORICAL CONTEXT… Page 1

, beliefs often resulted in brutal treatments, including exorcisms, torture, and
execution.
2) Stress and Melancholy
While the supernatural explanation was prevalent, some historical perspectives
recognized psychological disturbances could also stem from natural causes, such as
accentuate and melancholy (an early term for what might now be understood as
depression). Ancient Greek physicians like Hippocrates viewed melancholy because
of an imbalance in the body's humors, particularly black bile. However, even in
these cases, supernatural explanations were often intertwined with natural ones.
3) Treatments for Possession
Treatments for what was believed to be demonic possession were typically harsh and
focused on expelling the evil spirit. These treatments included exorcisms, religious
rituals, fasting, and prayer. Sometimes, individuals were subjected to physical abuse
or isolation to rid them of the supernatural entity.
4) Mass Hysteria
Mass hysteria, also known as collective hysteria, refers to the phenomenon where a
group of people simultaneously exhibit similar hysterical symptoms, often without a
clear physical cause. Historical examples include outbreaks of dancing mania or
tarantism in medieval Europe, where groups of people would suddenly begin
dancing uncontrollably, sometimes to the point of exhaustion or death. These events
were often attributed to supernatural causes, such as possession or bewitchment.
C. The Biological Tradition
The biological tradition in understanding psychological disorders focuses on the
notion that mental illnesses are rooted in biological causes, such as genetics, brain
structure, or neurochemical imbalances. This perspective has evolved over time and
has significantly influenced the development of modern psychiatry and medical
treatments for mental health disorders.
1. Hippocrates and Galen
Hippocrates, often referred to as the "Father of Medicine," was one of the earliest
proponents of the biological tradition. He rejected supernatural explanations for mental
disorders and instead suggested that they were caused by imbalances in the body's four
humors: blood, phlegm, black bile, and yellow bile. Hippocrates believed that these
imbalances could affect both physical and mental health, leading to conditions such as
melancholia (depression), mania, and hysteria.
Galen, a Roman physician who lived centuries after Hippocrates, expanded on these
ideas. He emphasized the importance of the brain as the seat of mental processes and
argued that psychological disorders were linked to physical factors, such as imbalances
in bodily fluids or problems within the brain. Galen's work laid the groundwork for
later developments in understanding the biological basis of mental health.
2. The 19th Century

CHAPTER 1: ABNORMAL BEHAVIOR IN HISTORICAL CONTEXT… Page 2

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