Chapter 1: Stimuli and Responses - 1.1 Human Nervous System

Vocabulary flashcards covering the structures, functions, action pathways, and effects of brain injury in the human nervous system.

Human Nervous System

An important control system in body coordination that detects stimuli, sends information in the form of impulses, interprets impulses, and produces appropriate responses.

Central Nervous System

The part of the human nervous system comprising the brain and spinal cord.

Peripheral Nervous System

The part of the human nervous system comprising cranial nerves and spinal nerves.

Pathway of Voluntary Action

The sequence of a voluntary action: Stimuli -> Affector (receptor) -> Brain -> Effector -> Response.

Involuntary Actions Involving Medulla Oblongata

Automatic actions controlled by the medulla oblongata, such as heartbeat and breathing.

Involuntary Actions Involving Spinal Cord

Reflex actions involving the spinal cord, such as sneezing when dust enters the nose and withdrawing a hand when touching a hot object.

Brain Injury Effect

The condition wherein a person becomes temporarily, partially, or completely paralyzed following damage to the brain.