Chapter 10 - Nervous System
Diseases & Conditions
Alzheimer’s disease — Progressive dementia with irreversible memory loss and decline in
thinking, speech, and movement.
Amnesia — Partial or total memory loss; can affect past memories or ability to form new ones.
Amyotrophic (ALS) — Motor neuron degeneration causing muscle weakness, atrophy, and
paralysis.
Anxiety disorders — Mental illnesses centered on excessive fear or worry.
Generalized anxiety disorder (GAD) — Constant, excessive worry about many things with
physical symptoms.
Panic disorder (PD) — Sudden, recurring panic attacks that feel like heart attacks.
Phobia — Extreme fear of a specific object or situation.
Social anxiety disorder — Intense anxiety during social interactions.
Astrocytoma — Tumor of brain glial (support) cells.
Aura — Warning sensation before a migraine or seizure (flashing lights, smells, tingling).
Bell’s palsy — Temporary one-sided facial paralysis from nerve inflammation.
Brain tumor — Abnormal mass inside the skull (tumor, cyst, or abscess).
Cerebral aneurysm — Ballooning blood vessel in brain that can rupture.
Cerebral contusion — Bruising of brain tissue.
Cerebrovascular accident (stroke) — Brain tissue death from blocked or ruptured blood flow.
Hemorrhagic stroke — Stroke caused by a ruptured blood vessel bleeding in the brain.
Ischemic stroke — Stroke caused by a blocked brain blood vessel (clot/plaque).
Coma — Prolonged unconsciousness from severe illness or injury.
Convulsion — Involuntary muscle contractions (often during seizures).
Delirium — Sudden confusion with hallucinations and disorientation.
Dementia — Progressive decline in memory and daily functioning.
Developmental disabilities — Lifelong conditions affecting physical or intellectual
development.
ADHD — Distractibility, hyperactivity, and poor impulse control.
Autism spectrum disorder (ASD) — Difficulty with communication, social interaction, and
repetitive behaviors.
Diseases & Conditions
Alzheimer’s disease — Progressive dementia with irreversible memory loss and decline in
thinking, speech, and movement.
Amnesia — Partial or total memory loss; can affect past memories or ability to form new ones.
Amyotrophic (ALS) — Motor neuron degeneration causing muscle weakness, atrophy, and
paralysis.
Anxiety disorders — Mental illnesses centered on excessive fear or worry.
Generalized anxiety disorder (GAD) — Constant, excessive worry about many things with
physical symptoms.
Panic disorder (PD) — Sudden, recurring panic attacks that feel like heart attacks.
Phobia — Extreme fear of a specific object or situation.
Social anxiety disorder — Intense anxiety during social interactions.
Astrocytoma — Tumor of brain glial (support) cells.
Aura — Warning sensation before a migraine or seizure (flashing lights, smells, tingling).
Bell’s palsy — Temporary one-sided facial paralysis from nerve inflammation.
Brain tumor — Abnormal mass inside the skull (tumor, cyst, or abscess).
Cerebral aneurysm — Ballooning blood vessel in brain that can rupture.
Cerebral contusion — Bruising of brain tissue.
Cerebrovascular accident (stroke) — Brain tissue death from blocked or ruptured blood flow.
Hemorrhagic stroke — Stroke caused by a ruptured blood vessel bleeding in the brain.
Ischemic stroke — Stroke caused by a blocked brain blood vessel (clot/plaque).
Coma — Prolonged unconsciousness from severe illness or injury.
Convulsion — Involuntary muscle contractions (often during seizures).
Delirium — Sudden confusion with hallucinations and disorientation.
Dementia — Progressive decline in memory and daily functioning.
Developmental disabilities — Lifelong conditions affecting physical or intellectual
development.
ADHD — Distractibility, hyperactivity, and poor impulse control.
Autism spectrum disorder (ASD) — Difficulty with communication, social interaction, and
repetitive behaviors.
