Catatonia in Alzheimer's disease:: The role of the amygdalo-hippocampal circuits

The intrinsic merit of Northoffs model lies primarily in the fact that it integrates data concerned with different levels of organization of the brain. This approach implicitly argues against reductionism, although, apparently, its rather simplistic assumption gives too many degrees of freedom. In considering that a symptom from two different syndromes indicates a common neural alteration, we grossly disregard neural plasticity.