39. Fill in: Emotions such as fear will stimulate the amygdala.
40. Fill in: Computer programs are being developed that can encode speech by interpreting facial movement.
41. Fill in: Neurons have to fire in order to transmit signals in the brain.
42. Fill in: Nutritionists advocate eating a healthy diet to improve brain function.
43. Fill in: The brain has to encode facts, emotions and experiences in order to create memories.
44. Fill in: The ancient Greeks believed rosemary could enhance their memory greatly.
45. Fill in: The amygdala are very small parts of the brain, but they help to regulate our emotions.