Phrenology is considered pseudoscientific; modern science has discredited its methods and conclusions. Though phrenology maps are historically intriguing, they are scientifically invalid.
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Historical Context
Phrenology was popular in the 1800s and reflects archaic understandings of brain function. Victorian literature sometimes mentions phrenology as a contemporary curiosity.
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Cultural Reference
Phrenology is occasionally referenced in old literature or discussions about the history of science. In the novel, the character's belief in phrenology is indicative of the era.