Both Broca's aphasia and Wernicke's aphasia are caused by malfunctions in the frontal lobes.

Broca's Aphasia

A condition characterized by difficulty in producing speech but with preserved comprehension, often due to damage in the frontal lobe of the brain.

Wernicke's Aphasia

A neurological disorder characterized by difficulty in understanding spoken language and producing coherent speech due to damage in Wernicke's area of the brain.

Frontal Lobes

The anterior part of the brain located behind the forehead, involved in decision making, problem solving, control of purposeful behaviors, consciousness, and emotions.