Chapter 10, Problem 9RC

Summary Introduction

To determine: Whether the given statement “In patients with Parkinson’s disease, an excess of dopamine from neurons of the substantia nigra causes intention tremors when the person performs voluntary movements” is true or false.

Introduction: Neurons, also known as nerve cells, are the fundamental unit of the brain and nervous system. They are electrically excitable cells that aid in communication with neighboring cells through special junctions known as synapses. Sensory neurons, motor neurons, and interneurons are the three types of neurons present in the nervous system.