Chapter
The Science Behind Handedness in Humans and Animals
23:52 - 31:41 (07:49)
The way our brains are wired is linked to handedness, with left-handed and right-handed individuals showing differences in brain structure and function. While handedness is a mostly human trait, some animals, such as cats, have also been found to show preferences for using one paw over the other.
Clips
The emergence of spoken language from gestures suggests a connection between the evolution of fine motor skills and language.
23:52 - 25:29 (01:37)
Summary
The emergence of spoken language from gestures suggests a connection between the evolution of fine motor skills and language. While speech and fine motor skills appear to be strongly linked, the language hemisphere of the brain being on the left side does not cause individuals to be right-handed.
ChapterThe Science Behind Handedness in Humans and Animals
EpisodeSelects: Why Do Lefties Exist?
PodcastStuff You Should Know
The podcast discusses the theory that humans evolved from being left-handed primates to predominantly right-handed and also looks at research into handedness in animals such as cats.
25:29 - 27:53 (02:24)
Summary
The podcast discusses the theory that humans evolved from being left-handed primates to predominantly right-handed and also looks at research into handedness in animals such as cats.
ChapterThe Science Behind Handedness in Humans and Animals
EpisodeSelects: Why Do Lefties Exist?
PodcastStuff You Should Know
Handedness is connected to how your brain is wired and the lateralization of the brain, which impacts the division of labor in the brain.
27:53 - 31:41 (03:48)
Summary
Handedness is connected to how your brain is wired and the lateralization of the brain, which impacts the division of labor in the brain. Individuals with schizophrenia are found to have a higher proportion of left-handedness compared to the general population.