What is the side effect described as "extra pyramidal syndrome" related to?

"Extra pyramidal syndrome" refers to a group of movement disorders caused primarily by the effects of certain medications, particularly antipsychotics. These disorders include symptoms such as tremors, rigidity, bradykinesia (slowness of movement), and abnormal postures. This syndrome is linked to the disruption of the central nervous system's normal function, particularly in pathways that control movement.

In the context of medications, especially first-generation antipsychotics (also known as typical antipsychotics), these movement-related side effects can occur due to their dopamine antagonistic effects in the brain. Other movement disorders like tardive dyskinesia and akathisia are also part of this syndrome. The focus on neurological complications in terms of movement directly correlates with the description of extra pyramidal symptoms, solidifying that the correct answer is movement disorders.