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The ventral striatum is considered to be that portion of the striatum associated with the limbic system by virtue of its afferent connections from allocortical and mesolimbic areas as well as from the amygdala. The efferent projections from this striatal region in the primate were traced by using 3H amino acids and Phaseolus vulgaris-leucoagglutinin(More)
Prepulse inhibition (PPI) is the inhibition of an acoustic startle response (ASR) that is observed when a weak prepulse is presented shortly before a startling stimulus. Here we studied in Wistar rats the dependence of PPI on variations of the interstimulus interval (ISI; from 25-1020ms) after treatment with various drugs that are known to disrupt PPI. The(More)
In the context of television consumption and its opportunity costs the question arises how far experiencing mere representations of the outer world would have the same neural and cognitive consequences than actively interacting with that environment. Here we demonstrate that physical interaction and direct exposition are essential for the beneficial effects(More)
The mechanical network of the brain is a major contributor to neural health and has been recognized by in vivo magnetic resonance elastography (MRE) to be highly responsive to diseases. However, until now only brain softening was observed and no mechanism was known that reverses the common decrement of neural elasticity during aging or disease. We used MRE(More)
The biomechanical properties of brain tissue are altered by histopathological changes due to neurodegenerative diseases like Parkinson's disease (PD). Such alterations can be measured by magnetic resonance elastography (MRE) as a non-invasive technique to determine viscoelastic parameters of the brain. Until now, the correlation between histopathological(More)
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