Based on Britannica’s definition Broca’s area is an area of the brain located in the frontal part of the left side of the brain.
This shows the location of Broca’s Area
It is said to be responsible for speech function and considered to have a crucial role in terms of generating speech articulation.
As Broca’s area is in charge of speech function, when it is damaged, it can cause a speech impairment/disorder which is also known as Broca’s Aphasia.
Broca’s Aphasia is a condition by which in which the person struggles to express himself or herself though he/she comprehends what is said and asked.
People who suffer from Broca’s Aphasia can fully comprehend the language but are not fluent in using the language to express themselves.
The person might form simple vocabulary or simply use easy grammatical structure to communicate.
To gain a clearer understanding, you can watch the video.
Similarly, Wernicke’s area is situated in the temporal lobe on the left side of the brain.
This area serves the role in a vital role in speech and language comprehension.
As you may have guessed, when the temporal lobe is damaged, it can result in a language disorder. This, in its technical term, is known as Wernicke’s Aphasia.
Wernicke’s Aphasia is a condition by which the person is fluent in the language but does not have the ability to comprehend the content or what is being communicated to.
The person does not have any difficulties in producing clear sounds, phrases, and grammatically correct sentences
However, he/she might respond or talk about something completely irrelevant to the questions asked.
Here is a video showing what Wernicke’s Aphasia is like.