Language and the Brain - Evidence from Damage to the Brain

8 important questions on Language and the Brain - Evidence from Damage to the Brain

What did Broca discover in the brain when studying his patient Leborgne?

He discovered extensive damage to the frontal lobe on the left side of the his brain, providing the earliest evidence of localization in the brain (Broca, 1861)

What was Broca's patient suffering from?

He couldn't move one side of his body and could not talk, besides one swear word and the syllable "tan" for 21 years.

What parts were damaged in the brain of Broca's patient?

Cerebral cortex, specifically on the left side of the frontal lobe.
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What was the difference between the lesion of Broca's and Wernicke's patient?

Wernicke's patient also had brain damage on the left side of the cerebral cortex, but farther back than the region of Broca.

What is "corpus callosum", where Sperry and Gazzaniga did a surgery to help people with epilectic seizures?

The left and the right hemispheres share information with each other, these are a bundle neural fibers that connects and transfers information

What is the method use for voxel-based lesion-symptom mapping?

Including participants without brain damage and participants with non-language related brain damage as baseline groups.

What kind of sentences do researchers measure when using the VSLM technique?

Simple declarative such as "the girl is sitting"
To negative passives such as "the girl is being led by the boy"

What is the end goal of the VSLM technique?

correlate patterns of brain damage with test performance to find out which regions are associated with what type of comprehension difficulty

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