15.8 Schizophrenia — Genetics, Brain Chemistry, and the Reality Break | Psychology 2e
After this lesson you will be able to…
- Understand the prevalence, typical onset, and profound life-altering impact of schizophrenia.
- Differentiate schizophrenia from dissociative identity disorder and understand the origin of the 'split mind' term.
- Identify and describe the 'additions' to normal experience, such as hallucinations, delusions, and disorganized thinking.
- Identify and describe the 'subtractions' from normal experience, such as avolition, alogia, and anhedonia.
- Understand how adoption studies demonstrate the genetic component of schizophrenia.
- Explain how genetic predisposition interacts with environmental stress to trigger schizophrenia.
- Understand the role of dopamine, serotonin, and structural brain abnormalities in schizophrenia.
- Identify prenatal environmental factors and the role of marijuana use as triggers for schizophrenia.
- Understand how the justice system handles severe psychosis and clarify public misconceptions about insanity pleas.
- Learn about prodromal symptoms and the importance of early intervention in preventing full psychotic breaks.
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(0)This lesson dives deep into schizophrenia — one of the most complex and widely misunderstood psychological disorders — drawing directly from Section 1...
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Quiz: Understanding Schizophrenia — Symptoms, Causes, and Neurobiology
FundamentalsAnswer the following questions based only on the video lesson you just watched. No outside knowledge is needed — all answers can be found in the video.
Practice: Schizophrenia — Symptoms, Causes, and Neurobiology
PracticeAnswer each question based on what was covered in the video lesson. Pay close attention to key terms, research studies, and the distinctions between symptom types, causes, and neurobiological factors.