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  • Role of the Hippocampus in Emotion

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Reduced Hippocampal Volume in Posttraumatic Stress Disorder

Research has demonstrated a correlation between posttraumatic stress disorder (PTSD) and a reduction in the physical volume of the hippocampus.

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Updated 2026-06-30

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References


  • OpenStax Psychology (2nd ed.) Textbook

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Ch.10 Emotion and Motivation - Psychology @ OpenStax

Psychology @ OpenStax

Introduction to Psychology @ OpenStax Course

OpenStax

OpenStax Psychology (2nd ed.) Textbook

Psychology

Social Science

Empirical Science

Science

Related
  • An individual smells a specific type of flower and is instantly reminded of a childhood summer vacation. Beyond just feeling the happiness from that time, they can vividly picture the garden they were in, the color of the house, and the sound of a nearby sprinkler. Which component of this memory is primarily handled by the brain structure responsible for integrating emotional experiences with their surrounding context?

  • Linking Emotion and Context in Memory

Learn After
  • A large body of research indicates that individuals diagnosed with posttraumatic stress disorder (PTSD) tend to have a smaller hippocampal volume compared to individuals without the disorder. Based on this correlational finding alone, what is the most scientifically sound conclusion?

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