Adult Disorders I

Where is Broca’s area located?

Usually the left hemisphere of the frontal lobe

Where is Wernicke’s area located?

Usually the left hemisphere of the temporal lobe

What is the function of Broca’s area? (and what does it act through?)

Controls motor speech through the muscles of the tongue, lips, and throat. It acts through the primary motor cortex.

What is the function of Wernicke’s area?

Controls language comprehension, helping us understand written and spoken language.

Arcuate Fasciculus

A bundle of axons that connects Broca’s and Wernicke’s area

What is the function of the primary motor cortex?

Allows us to consciously control our movements.

What is is the function of the primary somatosensory cortex?

Receives information from receptors in the skin, muscles, and joints.

What is the function of the primary visual cortex?

Receives information from the photoreceptors in the retina, creating a map of visual space from color, brightness, hue, etc.