Why are people left handed?

The video explores the concept of handedness, discussing why most people are right-handed and the genetic and hormonal factors that may influence this trait. It delves into brain lateralization, explaining how it relates to handedness and debunking myths about intelligence differences between left and right-handed individuals. The video highlights the need for more research on handedness and its implications for brain function and behavior.

What percentage of the world's population is left-handed?

• 20%

• 5%

• 10%

• 15%

Which side of the brain is most likely responsible for language processing in right-handed individuals?

• Right hemisphere

• Left hemisphere

• Both hemispheres equally

• Neither hemisphere

What is the relationship between handedness and brain lateralization?

• Handedness determines intelligence

• Handedness affects which side of the brain processes tasks

• Handedness is unrelated to brain function

• Handedness is solely determined by genetics

What is a common myth about left-handed people?

• They are more analytical

• They are more creative

• They are more likely to be geniuses

• They have better memory

Why are left-handed individuals often excluded from scientific studies?

• They are more intelligent

• They have different brain structures

• Their handedness might confound results

• They are too rare