Impulsivity, disinhibition, confabulation, anosmia, and witzelsucht point to damage of which region?

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Multiple Choice

Impulsivity, disinhibition, confabulation, anosmia, and witzelsucht point to damage of which region?

Impulsivity, disinhibition, confabulation, anosmia, and witzelsucht are classic signs of damage to the orbitofrontal region. This area is crucial for evaluating rewards and consequences, and for inhibiting inappropriate or impulsive social behavior. When it’s damaged, people tend to act impulsively, say things without filter, and fill gaps in memory with confabulations. Witzelsucht—the tendency to generate inappropriate or excessive jokes—is a well-known behavioral marker of orbitofrontal injury. Anosmia can occur because the orbitofrontal cortex contains secondary olfactory processing areas; disrupting it can impair smell perception. By contrast, the anterior cingulate is more tied to motivation and error monitoring, the dorsolateral PFC to executive functions like planning and working memory, and the medial frontal areas to motivation and some motor aspects. The combination of disinhibition and olfactory involvement makes orbitofrontal damage the best explanation.

Impulsivity, disinhibition, confabulation, anosmia, and witzelsucht are classic signs of damage to the orbitofrontal region. This area is crucial for evaluating rewards and consequences, and for inhibiting inappropriate or impulsive social behavior. When it’s damaged, people tend to act impulsively, say things without filter, and fill gaps in memory with confabulations. Witzelsucht—the tendency to generate inappropriate or excessive jokes—is a well-known behavioral marker of orbitofrontal injury. Anosmia can occur because the orbitofrontal cortex contains secondary olfactory processing areas; disrupting it can impair smell perception. By contrast, the anterior cingulate is more tied to motivation and error monitoring, the dorsolateral PFC to executive functions like planning and working memory, and the medial frontal areas to motivation and some motor aspects. The combination of disinhibition and olfactory involvement makes orbitofrontal damage the best explanation.

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