Research With Animals
Using animal subjects gives researchers the ability to lesion specific areas in the subjects, allowing them to quickly acquire a large group of subjects. An example of such a study is the lesioning of rat hippocampi to establish the role of the hippocampus in object recognition and object recency.
The major disadvantage of animal subjects is the limited extendibility of the results to humans, whose brains differ to varying degrees from the animals.
Read more about this topic: Lesion, Research Using Lesions
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