The science of laughter

What physical changes occur in the body when something is funny?

• Increased heart rate, dilated pupils, sweating

• Show teeth, change breathing, become weak and achy

• Stiff neck, dry mouth, cold feet

• Trembling hands, increased appetite, blurred vision

What happens to the abdominal muscles when you laugh?

• They become numb

• They expand

• They relax completely

• They contract rapidly

Why do abdominal muscles start to hurt when you laugh?

• Due to rapid contraction

• Due to dehydration

• Due to lack of oxygen

• Due to excessive laughter

What is one theory about the evolution of laughter?

• It originated from birds

• It developed to signal non-aggressive intent

• It was a defense mechanism

• It was a form of communication for insects

What is one reason laughter is thought to be contagious?

• It induces anger

• It causes confusion

• It activates key regions in the brain

• It triggers sadness in others

What neurotransmitters are released in the brain when we laugh?

• Dopamine and serotonin

• Endorphins

• Melatonin

• Adrenaline and cortisol

What is one potential benefit of laughing more?

• Improved cardiovascular health

• Decreased social bonds

• Increased risk of heart disease

• Higher stress levels

At what age can babies start laughing?

• 2 years old

• Before they can speak

• 6 months old

• 1 year old

What is the difference between real and fake laughter?

• Real laughter is always longer in duration

• Real laughter is contagious, fake laughter is not

• Real laughter activates speech-like pathways, fake laughter uses older networks

• Real laughter is silent, fake laughter is loud

What is the main function of human laughter?

• To intimidate others

• To induce fear

• To express anger

• To communicate subtle meanings