chpt 7 biopsych

Which part of the brain is primarily affected in Huntington's disease leading to the deterioration of structures?

• Cerebellum

• Basal ganglia

• Brainstem

• Hippocampus

What does a motor program in a human refer to?

• A sum of sensory inputs

• A cognitive thought process

• A reflex action

• A sequence of movements stored in memory

Which of the following is NOT a common symptom of Parkinson's disease?

• Muscle rigidity

• Impaired balance

• Excessive weight gain

• Resting tremor

Which of the following is a symptom unique to Huntington's disease?

• Loss of coordination

• Involuntary jerky movements (chorea)

• Shuffling gait

• Cognitive decline

Which structure is NOT part of the basal ganglia?

• Globus pallidus

• Putamen

• Caudate nucleus

• Hippocampus

The primary motor cortex primarily sends projections to which of the following?

• Thalamus

• Spinal cord

• Cerebellum

• Limbic system

What is the primary function of the substantia nigra?

• Regulation of appetite

• Control of executive functions

• Processing of sensory information

• Production of dopamine

What is the role of mirror neurons?

• They are involved in action understanding and imitation

• They inhibit motor functions

• They mediate sensory perception

• They regulate heart rate

L-Dopa is primarily used in the treatment of which condition?

• Alzheimer's disease

• Multiple sclerosis

• Parkinson's disease

• Huntington's disease

In Parkinson's disease, which pathway is notably affected?

• Corticospinal pathway

• Basal ganglia motor pathways

• Cerebellar pathways

• Medial longitudinal fasciculus pathway