What is the most abused drug?

People are often attracted to Christine because she is flamboyant and emotionally very expressive. However, she rarely develops any long-term relationships, because people experience her as shallow and self-centered. What personality disorder or trait description would most fit Christine?

A common physiological principle across the basal ganglia and the cerebellar cortex is:

Which of the following correctly describe medium spiny neurons (MSNs)?

The cerebellum sends projections to the cortical motor systems via the [BLANK] and [BLANK].

You are recording from a neuron in the CNS of a monkey that fires spikes during a certain voluntary hand motion. However, you notice that the neuron also fires when the monkey watches another monkey do the same motion, and only that motion. Where would you expect to find this neuron?

Negative feedback for muscle contraction is provided by:

In Parkinson’s disease, dopaminergic input from the _______ decreases.

If a researcher were to stimulate dopamine releasing neurons that project solely to the direct pathway, which of the following would occur? 

The deep excitatory loop in the cerebellum: