Potential Effects on the Brain for Children Who Experienced Sustained Trauma

  • A decrease in the size of the hippocampus, which is important in learning and memory
  • A decrease in the size of the corpus callosum, which functions for emotion, impulses, and arousal, as well as communicating between the right and left brain hemispheres
  • A decrease in the size of the cerebellum, which can affect motor skills and coordination
  • A decrease in the volume of the prefrontal cortex, which affects behavior, balancing emotions and perception
  • Too much activity in the amygdala, which is responsible for processing emotions and determining reactions to potentially stressful or dangerous situations
  • Cortisol level becomes unregulated, leading to high anxiety from stress or depression

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