The idea that the LH is a hunger center has largely been abandoned because
A) bilateral lesions of the LH produce hyperphagia.
B) the paraventricular nucleus appears to be the hunger center.
C) bilateral LH lesions produce severe and general motor disturbances and reduce responsiveness to all kinds of sensory input, not just food.
D) LH lesions do not reduce eating.
E) LH lesions do not reduce either eating or drinking.

Question

Quizplus · Accepted Answer

While early studies suggested that the LH was a hunger center, later research has shown that bilateral LH lesions produce severe and general motor disturbances and reduce responsiveness to all kinds of sensory input, not just food. Additionally, LH lesions do not consistently reduce eating or drinking, suggesting that the LH does not play a specific role in regulating hunger or thirst. Recent research has identified the paraventricular nucleus as a key site for regulating appetite and energy balance.

The Idea That the LH Is a Hunger Center Has