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May 23, 2005

Anatomy lesson

Scientists have discovered that at least one part of my brain works just fine:

The ability to comprehend sarcasm depends upon a carefully orchestrated sequence of complex cognitive skills based in specific parts of the brain. Yeah, right, and I’m the Tooth Fairy. But it’s true: New research details an “anatomy of sarcasm” that explains how the mind puts sharp-tongued words into context. The findings appear in the May issue of Neuropsychology, published by the American Psychological Association.
…Simone Shamay-Tsoory, PhD, and colleagues at the Rambam Medical Center in Haifa and the University of Haifa, studied 25 participants with prefrontal-lobe damage, 16 participants with posterior-lobe damage and 17 healthy controls. All participants listened to brief recorded stories, some sarcastic, some neutral, that had been taped by actors reading in a corresponding manner.
…Participants with prefrontal damage were impaired in comprehending sarcasm, whereas the people in the other two groups had no such problem. Within the prefrontal group, people with damage in the right ventromedial area had the most profound problems in comprehending sarcasm. The ventromedial area is the inferior (rear) part of the prefrontal cortex, and includes the cortex on top of the orbits of both eyes and the inside part of the frontal lobes.
The findings fit what we already know about brain anatomy. The prefrontal cortex is involved in pragmatic language processes and complex social cognition, thus it followed that that participants with prefrontal damage had faulty “sarcasm meters.” At the same time, damage to the ventromedial area, which is involved in personality and social behavior, will disrupt not only understanding sarcasm but also understanding social cues, empathic response and emotion recognition.

The authors say that “Understanding sarcasm requires both the ability to understand the speaker’s belief about the listener’s belief and the ability to identify emotions.”

I can definitely do this.

Posted by Stephen at 7:41 PM in Health | Permalink | TrackBack (0)

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