| Term | Definition |
| aphasia
ah-FAY-zhah | inability to speak |
| ataxia
ah-TAK-see-ah | lack of coordination |
| catatonia
KAT-ah-TOH-nee-ah | condition characterized by reduced muscle tone |
| delirium
deh-LEER-ee-um | brief loss of mental function |
| dementia
da-MEN-chah | loss/decline in mental function |
| dyskinesia
dis-kih-NEE-zhah | difficulty moving |
| dyslexia
dis-LEK-see-ah | difficulty reading |
| dysphasia
dis-FAY-zhah | difficulty speaking |
| dystonia
dis-TOH-nee-ah | condition characterized by involuntary muscle movements |
| insomnia
in-SOM-nee-ah | inability to sleep |
| myoclonus
mai-AWK-loh-nus | muscle twitching |
| myospasm
MAI-oh-spazm | involuntary muscle contraction |
| neurasthenia
NUR-as-THEN-ee-ah | nerve weakness |
| somnambulism
sawm-NAM-byoo-liz-um | sleep walking |
| syncope
SIN-koh-pee | fainting; losing consciousness due to temporary loss of blood flow to brain |
| cephalalgia
SEH-ful-AL-jah | head pain |
| cephalodynia
SEH-fah-loh-DIH-nee-ah | head pain |
| encephalalgia
in-SE-ful-AL-jah | brain pain |
| neuralgia
nur-AL-jah | nerve pain |
| neurodynia
NUR-oh-DIH-nee-ah | nerve pain |
| hemiparesis
HEH-mee-puh-REE-sis | partial paralysis on half the body |
| hemiplegia
HEH-mee-PLEE-jah | paralysis on half the body |
| monoparesis
MAW-noh-puh-REE-sis | partial paralysis of one limb |
| monoplegia
MAW-noh-PLEE-jah | paralysis of one limb |
| paralysis
puh-RAH-lu-sis | complete loss of sensation and motor function |
| paresis
puh-REE-sis | partial paralysis characterized by varying degrees of sensation and motor function |
| causalgia
kaw-ZAL-jah | painful sensation of burning |
| dysesthesia
DIS-es-THEE-zhah | bad feeling |
| hyperesthesia
HAI-per-es-THEE-zhah | increased sensation |
| paresthesia
PAR-es-THEE-zhah | abnormal sensation (usually numbness or tingling in the skin) |
| pseudesthesia
SOO-des-THEE-zhah | false sensation |
| synesthesia
SIN-es-THEE-zhah | condition where one sensation is experienced as another |
| acrophobia
AK-roh-FOH-bee-ah | fear of heights |
| agoraphobia
ah-GOR-ah-FOH-bee-ah | fear of outdoor spaces |
| hydrophobia
HAI-druh-FOH-bee-ah | fear of water |
| kleptomania
KLEP-toh-MAY-nee-ah | desire to steal |
| photophobia
FOH-toh-FOH-bee-ah | excessive sensitivity to light |
| pyromania
PAI-roh-MAY-nee-ah | desire to set fire |
| echoencephalography
EH-koh-in-SEH-fah-LAW-grah-fee | procedure used to examine the brain using sound waves |
| electroencephalography (EEG)
eh-LEK-troh-in-SEH-fah-LAW-grah-fee | procedure used to examine the electrical activity of the brain |
| lumbar puncture (LP)
LUM-bar PUNK-chir | inserting a needle into the lumbar region of the spine in order to collect spinal fluid, commonly called a spinal tap |
| cerebral angiography
seh-REE-bral AN-gee-AW-grah-fee | procedure used to examine blood vessels in the brain |
| magnetic resonance angiography (MRA)
mag-NET-ik REH-zawn-ants AN-gee-AW-grah-fee | procedure used to examine blood vessels |
| myelogram
MAI-el-oh-gram | image of the spinal cord, usually done using x-ray |
| positron emission tomography (PET) scan
PAWZ-ih-trawn ee-MISH-un taw-MAW-gra-fee | an imaging procedure that uses radiation (positrons) to produce cross sections of the brain |
| transcranial Doppler sonography
tranz-KRAY-nee-al DAW-plir saw-NAW-gra-fee | an imaging technique that produces an image of the brain using sound waves sent through the skull |
| cerebellitis
ser-eh-bell-AI-tis | inflammation of the cerebellum |
| cerebral atrophy
seh-REE-bral A-troh-fee | wasting away of brain tissue |
| duritis
dur-AI-tis | inflammation of the dura |
| encephalocele
en-SEF-ah-loh-SEEL | hernia of the brain (normally through a defect in the skull) |
| hematoma
HEE-mah-TOH-mah | a tumorlike mass made up of blood |
| cranial hematoma
KRAY-nee-al HEE-mah-TOH-mah | a hematoma beneath the skull |
| epidural hematoma
EH-pi-DIR-al HEE-mah-TOH-mah | a hematoma located on top of the dura |
| intracerebral hematoma
IN-trah-se-REE-bral HEE-mah-TOH-mah | a hematoma located inside the brain |
| subdural hematoma
sub-DIR-al HEE-mah-TOH-mah | a hematoma located beneath the dura |
| macrocephaly
MA-kroh-SEH-fah-lee | abnormally large head |
| microcephaly
MAI-kroh-SEH-fah-lee | abnormally small head |
| meningocele
meh-NIN-goh-seel | a hernia of the meninges |
| myelocele
MAI-eh-loh-SEEL | a hernia of the spinal cord |
| myelomalacia
MAI-eh-loh-mah-LAY-shah | abnormal softening of the spinal cord |
| myelomeningocele
MAI-eh-loh-meh-NIN-goh-seel | a hernia of the spinal cord and meninges |
| neuritis
nir-AI-tis | nerve inflammation |
| neuroma
nir-OH-mah | a nerve tumor |
| neurosclerosis
NIR-oh-skleh-ROH-sis | hardening of nerves |
| polyneuritis
PAW-lee-nir-AI-tis | inflammation of multiple nerves |
| agnosia
AG-noh-zhah | inability to comprehend |
| apathy
A-pah-thee | lack of emotion |
| hyperkinesia
HAI-per-kih-NEE-shah | increase in muscle movement or activity |
| neurasthenia
NIR-as-THEN-ee-ah | nerve weakness |
| neuroglycopenia
NIR-oh-GLAI-koh-PEE-nee-ah | deficiency of sugar that interferes with normal brain activity |
| nystagmus
nih-STAG-mus | involuntary back and forth eye movements |
| prosopagnosia
PRAW-soh-pag-NOH-zhah | inability to recognize faces |
| anesthesiologist
A-neh-STHEE-zee-AW-loh-jist | doctor who specializes in anesthesiology |
| afferent nerve
A-fir-ent nirv | a nerve that carries impulses toward the central nervous system |
| efferent nerve
EH-fir-ent nirv | a nerve that carries impulses away from the central nervous system |
| neurogenic
NIR-oh-JIN-ik | originating from/created by nerves |
| psychiatrist
sai-KAI-ah-trist | doctor who specializes in the treatment of the mind |
| psychiatry
sai-KAI-ah-tree | branch of medicine that focuses on the treatment of the mind |
| psychogenic
SAI-koh-JIN-ik | originating in/created by the mind |
| psychologist
sai-KAW-loh-jist | doctor who specializes in the study of the mind |
| psychology
sai-KAW-loh-jee | branch of medicine that focuses on the study of the mind |
| psychosomatic
SAI-koh-soh-MA-tik | pertaining to the relationship between the body and the mind |
| idiopathic
IH-dee-oh-PAH-thik | having no known cause or origin |
| interictal
IN-ter-IK-tal | time between seizures |
| postictal
post-IK-tal | time after a seizure |
| preictal
pree-IK-tal | time before a seizure |
| tonic
TAW-nik | pertaining to muscle tone (normally weak or unresponsive) |
| clonus
CLAH-nis | muscle spasm or twitching |
| tonic-clonic seizure
TAW-nik CLAH-nik SEE-zhir | a seizure characterized by both a tonic and a clonic phase |
| cerebrovascular accident (CVA)
seh-REE-broh-VAS-kyoo-lar AK-sih-dent | an accident involving the blood vessels of the brain |
| stroke
STROHK | loss of brain function caused by interruption of blood flow/supply to the brain |
| hemorrhagic stroke
HEM-oh-RA-jik STROHK | a stroke where the blood loss is caused by the rupture of a blood vessel |
| ischemic stroke
ihs-KEE-mik STROHK | a stroke where the blood loss is caused by a blockage |
| transient ischemic attack (TIA)
TRAN-zee-ent ih-SKEE-mik ah-TAK | a “mini-stroke” caused by the blockage of a blood vessel, which resolves (goes away) within 24 hours |
| cerebrovascular disease
seh-REE-broh-VAS-kyoo-lar dih-ZEEZ | a disease of the blood vessels of the brain |
| cerebral aneurysm
seh-REE-bral AN-yir-IZ-um | the widening or abnormal dilation of a blood vessel in the brain |
| cerebral arteriosclerosis
seh-REE-bral ar-TIH-ree-oh-skleh-ROH-sis | the hardening of an artery in the brain |
| cerebral atherosclerosis
seh-REE-bral ATH-er-oh-skleh-ROH-sis | the hardening of an artery in the brain caused by the buildup of fatty plaque |
| cerebral embolism
seh-REE-bral EM-boh-lih-zum | the blockage of a blood vessel in the brain caused by a foreign object (embolus) such as fat or bacteria |
| cerebral thrombosis
seh-REE-bral throm-BOH-sis | the blockage of a blood vessel in the brain caused by a blood clot |
| craniomalacia
KRAY-nee-oh-mah-LAY-shah | abnormal softening of the skull |
| craniosclerosis
KRAY-nee-oh-skleh-ROH-sis | abnormal hardening of the skull |
| craniostenosis
KRAY-nee-oh-steh-NOH-sis | abnormal narrowing of the skull |
| craniosynostosis
KRAY-nee-oh-SIN-aw-STOH-sis | premature fusing of the skull bones |
| hydrocephaly
HAI-droh-SEH-fah-lee | abnormal accumulation of spinal fluid in the brain |
| astrocytoma
ASS-troh-sai-TOH-mah | a tumor of arising from astrocyte glial cells |
| ganglioma
GAN-glee-OH-mah | ganglion tumor |
| glioblastoma
GLEE-oh-blas-TOH-mah | a brain tumor arising from glioblast cells |
| meningioma
meh-NIN-jee-OH-mah | tumor of the meninges |
| cerebellitis
SEH-rah-bell-AI-tis | inflammation of the cerebellum |
| cerebromeningitis
seh-REE-broh-MEN-in-JAI-tis | inflammation of the brain and meninges |
| encephalitis
in-SEF-ah-LAI-tis | inflammation of the brain |
| encephalomyelitis
in-SEF-ah-loh-MAI-eh-LAI-tis | inflammation of the brain and spinal cord |
| encephalomyeloneuropathy
in-SEF-ah-loh-MAI-el-oh-nir-AW-pah-thee | disease of the brain, spinal cord, and nerves |
| encephalopathy
in-SEF-ah-LAW-pah-thee | disease of the brain |
| encephalopyosis
in-SEF-ah-loh-pai-OH-sis | a pus-filled abscess in the brain |
| gangliitis
GAN-glee-AI-tis | inflammation of a ganglion |
| intracerebral hemorrhage
IN-trah-sih-REE-bral HIH-moh-rij | excessive bleeding inside the brain |
| meningopathy
MEH-nin-GAW-pah-thee | disease of the meninges |
| meningitis
MEH-nin-JAI-tus | inflammation of the meninges |
| meningoencephalitis
meh-NIN-goh-in-SEF-ah-LAI-tis | inflammation of the meninges and brain |
| myelitis
MAI-eh-LAI-tis | inflammation of the spinal cord |
| myelodysplasia
MAI-eh-loh-dis-PLAY-zhah | defective formation of the spinal cord |
| myelopathy
MAI-el-AW-pah-thee | disease of the spinal cord |
| neuroarthropathy
NIR-oh-ar-THRAW-pah-thee | disease of the joint associated with nerves |
| neuroencephalomyelopathy
NIR-oh-in-SEF-ah-loh-MAI-el-AW-pah-thee | disease of the nerves, brain, and spinal cord |
| neuropathy
nir-AW-pah-thee | disease of the nervous system |
| poliomyelitis
POH-lee-oh-MAI-el-AI-tis | inflammation of the gray matter of the spinal cord |
| polyneuropathy
PAW-lee-nir-AW-pah-thee | disease affecting multiple nerves |
| amyotrophic lateral sclerosis (ALS)
a-MAI-aw-TROH-fik LAT-tih-ral skleh-ROH-sis | a degenerative disease of the central nervous system causing loss of muscle control. Literally, the hardening (sclerosis) of the nerve cells on the sides (lateral) of the spine leading to the loss of muscle tissue from disuse. |
| anorexia
a-noh-REK-see-ah | an eating disorder characterized by the patient’s refusal to eat |
| autism
AH-tiz-um | a psychiatric disorder characterized by withdrawal from communication with others; the patient is focused only on the self |
| bulimia
boo-LEE-mee-ah | an eating disorder characterized by overeating and usually followed by forced vomiting |
| cerebral palsy
seh-REE-bral PAL-zee | paralysis caused by damage to the area of the brain responsible for movement |
| dysphoria
dis-FOR-ee-ah | a negative emotional state |
| epilepsy
eh-pih-LEP-see | a disease marked by seizures |
| euphoria
yoo-FOR-ee-ah | a positive emotional state |
| hypomania
HAI-poh-MAY-nee-ah | a mental state just below mania |
| manic depression (bipolar)
MAN-ik de-PREH-shun | a psychiatric disorder characterized by alternating bouts of excitement and depression |
| myasthenia
mai-as-THEH-nee-ah | muscle weakness |
| narcolepsy
NAR-coh-LEP-see | a disease characterized by sudden, uncontrolled sleepiness |
| neurosis
neh-ROH-sis | a nerve condition |
| psychosis
sai-KOH-sis | a mind condition |
| psychopathy
sai-KAW-pah-thee | a mental illness |
| schizophrenia
SKIT-zoh-FREH-nee-ah | a mental illness characterized by delusions, hallucinations, and disordered speech |
| anesthetic
an-es-THET-ik | a drug that causes loss of sensation |
| general anesthetic
JEH-nir-al an-es-THET-ik | anesthetic that causes complete loss of consciousness |
| local anesthetic
LOH-kal an-es-THET-ik | anesthetic that does not affect consciousness |
| regional anesthetic
REE-jih-nal an-es-THET-ik | anesthetic that is injected into a nerve causing loss of sensation over a particular area |
| topical anesthetic
TAW-pih-kal an-es-THET-ik | local anesthesia applied to the surface of the area to be anesthetized |
| epidural anesthetic
eh-pih-DUH-ral an-es-THET-ik | anesthetic applied in the dural region of the spinal cord |
| analgesic
an-al-JEE-zik | a drug that relieves pain |
| anticonvulsant
AN-tee-kon-VUL-sant | a drug that opposes convulsions |
| antidepressant
AN-tee-deh-PREH-sant | a drug that opposes depression |
| antipsychotic
AN-tee-sai-KAW-tik | a drug that opposes psychoses |
| anxiolytic
ANG-zee-oh-LIH-tik | a drug that lessens anxiety |
| hypnotic
hip-NAWT-ik | a drug that aids sleep |
| neuropharmacology
nir-oh-FAR-mah-KAW-loh-jee | the study of the effects of drugs on the nervous system |
| psychopharmacology
SAI-koh-FAR- mah-KAW-loh-jee | the study of the effects of drugs on mental processes |
| pyschotropic
SAI-koh-TROH-pik | drugs that are able to turn the mind |
| thrombolytic
THRAWM-boh-LIT-ik | a drug that dissolves clots |
| cerebrotomy
seh-ree-BRAW-toh-mee | incision into the brain |
| chemotherapy
KEE-moh-THER-ah-pee | treatment using chemicals |
| craniectomy
KRAY-nee-EK-toh-mee | removal of a piece of the skull |
| craniotomy
KRAY-nee-AW-toh-mee | incision into the skull |
| endarterectomy
EN-dar-tir-EK-toh-mee | removal of the inside of an artery |
| endovascular neurosurgery
EN-doh-VAS-kyoo-lar NIR-oh-SIR-jir-ee | surgery on the nervous system performed by entering the body through blood vessels |
| lobectomy
loh-BEK-toh-mee | removal of a lobe |
| lobotomy
loh-BAW-toh-mee | incision into a lobe |
| neurectomy
nir-EK-toh-mee | removal of a nerve |
| neurolysis
nir-AW-lih-sis | destruction of nerve tissue |
| neuroplasty
NIR-oh-PLAS-tee | reconstruction of a nerve |
| neurorrhaphy
nir-OR-ah-fee | suturing of a nerve (often the severed ends of a nerve) |
| neurotomy
nir-AW-toh-mee | incision into a nerve |
| ADHD | attention-deficit hyperactivity disorder |
| ALS | amyotrophic lateral sclerosis (Lou Gehrig’s disease) |
| CNS | central nervous system |
| CP | cerebral palsy |
| CSF | cerebrospinal fluid |
| CVA | cerebrovascular accident |
| EEG | electroencephalogram |
| EMG | electromyogram |
| ICP | intracranial pressure |
| LOC | level of consciousness |
| LP | lumbar puncture |
| MRA | magnetic resonance angiography |
| MS | multiple sclerosis |
| OCD | obsessive compulsive disorder |
| PET | positron emission tomography |
| PNS | peripheral nervous system |
| TIA | transient ischemic attack |