Contagious Yawning

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Across
  1. 2. Exploring contagious yawning can help scientists understand how the brain processes social ___
  2. 4. More likely to trigger a contagious yawn than a stranger
  3. 6. The mystery of contagious yawning involves ____ and psychology.
  4. 7. High levels of neurotransmitters such as this one can influence susceptibility to contagious yawning
Down
  1. 1. even animals such as these experience contagious yawning
  2. 2. Yawning because someone else does is ____ yawning
  3. 3. Our ability to understand and share the feelings of others
  4. 5. The ____ neuron system is responsible for contagious yawning
  5. 6. The mirror neuron system is composed of ____ cells