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Psychology Exam 3

Gut & Brain

How are our gut bacteria beneficial to us? Digestion, metabolism, extract and make vitamins, build and maintain gut wall, block harmful bacteria, influences brain and behavior
What have studies with BALB/C and NIH Swiss mice shown us? BALB/C mice became more bold and adventurous when given antibiotics. NIH Swiss mice became more timid when gut bacteria was changed.
How do gut bacteria influence behavior? Early exposure to normal gut behavior is vital to brain development and behavior. After severing the vagus nerve, the behavioral effects of the gut biome disappear. A stimulation is being tried to treat depression.
What is the hygiene hypothesis? Developed nations suffer from more chronic inflammatory diseases 1. Allergies 2. Autoimmune diseases 3. Inflammatory bowel disease 4. Anxiety and depression?
Created by: Vannarose