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Psychology Exam 3
Gut & Brain
Question | Answer |
---|---|
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? |