Saturday, October 08, 2005

The Shape of Your Head

Does the shape of your head determine mental ability? Do the pieces inside your head do certain things? Seen an MRI lately? A geometric shape has certain mathematical value based on it's properties. Some shapes communicate by the nature of their color, size and context. Certain organs in our body serve specific functions. As early as the 1700s, people theorized about the shape and nature of our heads. Remember Phrenology?



Excerpts from the British Library:

Phrenology was a science of character divination, faculty psychology, theory of brain and what the 19th-century phrenologists called "the only true science of mind." Phrenology came from the theories of the idiosyncratic Viennese physician Franz Joseph Gall (1758-1828). The basic tenets of Gall's system were:

1.The brain is the organ of the mind.
2. The mind is composed of multiple distinct, innate faculties.
3. Because they are distinct, each faculty must have a separate seat or "organ" in the brain.
4. The size of an organ, other things being equal, is a measure of its power.
5. The shape of the brain is determined by the development of the various organs.
6. As the skull takes its shape from the brain, the surface of the skull can be read as an accurate index of psychological aptitudes and tendencies.

An author in 1838 summed up the feelings of many critics: "Phrenology is a mass of untruth! its physics are false and presumptuous, its metaphysics nonsensical, its ethics a gross ideotic blunder! And yet this system has numerous admirers, and its lecturers often appear in public, exhibiting the ignorance and audacity of the charlatan, in every sentence they utter, and they are generally surrounded by a gaping multitude, of bump-feeling people, eager to gain knowledge of the so-called "science.""



Most of phrenology's basic premises have been vindicated, though the particulars of reading character from the skull have not. For example, the principle that many functions are localized in the brain is now a commonplace (although many other functions are distributed). Also, areas of the brain that are more frequently used (as the right hippocampus of London taxi drivers) may become enlarged with use. (See The Journal of Neuroscience, vol. 17, 1997.) This is exactly what phrenologists asserted.

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