Chapter 10 The Nervous System Medical Terms Flashcards
a brief disturbance in brain function in which there is a loss of awareness often described as a staring episode
absence seizure (petit mal seizure)
an excessive fear of heights
acrophobia
an excessive fear of environments where the person fears a panic might occur
agoraphobia
chronic alcohol dependence with specific signs and symptoms upon withdrawal
alcoholism
a group of disorders involving the parts of the brain that control thought, memory, and language
Alzheimer’s disease
a memory disturbance marked by a total or partial inability to recall past experiences
amnesia
a rapidly progressive neurological disease that attacks the nerve cells responsible for controlling voluntary muscles
amyotrophic lateral sclerosis (ALS) (Lou Gehrig’s disease)
the absence of normal sensation, especially sensitivity to pain
anesthesia
medication used to induce anesthesia
anesthetic
medication that prevents seizures
anticonvulsant
medications administered to prevent or relieve depression
antidepressant
administered to treat symptoms of severe disorders of thinking and mood that are associated with neurological and psychiatric illnesses
antipsychotic drug (neuroleptic)
mental conditions characterized by excessive, irrational dread of everyday situations, or fear that is out of proportion to the real danger in a situation
anxiety disorders
medication administered to temporarily relieve anxiety and reduce tension
anxiolytic drug (antianxiety drug or tranquilizer)
loss of the ability to speak, write, and/or comprehend the written or spoken word
aphasia
an abnormal connection between the arteries and veins in the brain; may cause a hemorrhagic stroke
arteriovenous malformation
a condition characterized by a short attention span and impulsive behavior inappropriate for the child’s developmental age
attention-deficit/hyperactivity disorder (ADHD)
a subgroup of autistic spectrum disorders
autism
a group of conditions in which a young child has difficulty developing normal social relationships and communication skills, may compulsively follow repetitive routines, and has narrowly focused, intense interests
autistic spectrum disorders
a class of drugs whose major action is a calming or depressed effect on the central nervous system
barbiturates
therapy focuses on changing behavior by identifying problem behaviors, and using rewards or other consequences to make the changes
behavioral therapy
temporary paralysis of the seventh cranial nerve that causes paralysis only on the affected side of the face
Bell’s palsy
a mental condition characterized by cycles of severe mood changes shifting from highs and severe lows
bipolar disorder
an abnormal growth within the skull
brain tumor
an ultrasound study of the carotid artery that is performed to predict or diagnose an ischemic stroke
carotid ultrasonography
marked by a lack of responsiveness, stupor, and a tendency to remain in a fixed posture
catatonic behavior
persistent, severe, burning pain that usually follows and injury to a sensory nerve
causalgia
pain in the head
cephalalgia (headache)
bruising of brain tissue as the result of a head injury that causes the brain to bounce against the skull
cerebral contusion
a condition characterized by poor muscle control, spasticity, and other neurologic deficiencies
cerebral palsy
damage to the brain that occurs when the blood flow to the brain is disrupted
cerebrovascular accident
nerve pain caused by pressure on the spinal nerve roots in the neck region
cervical radiculopathy
abnormal fear of being in small or enclosed spaces
claustrophobia
intensely painful headaches that affect one side of the head and often occur in groups or clusters
cluster headaches
the mental activities associated with thinking, learning, and memory
cognition
treatment focused on changing cognitions on thoughts that are affecting a person’s emotions and actions
cognitive therapy
a deep state of unconscious marked by the absence of spontaneous eye movements, no response to painful stimuli, and no vocalization
coma
an imaging technique that uses a thin, fan-shaped x-ray beam to produce multiple cross-sectional views of the body
computed tomography
a violent shaking up or jarring of the brain
concussion
the state of being awake, alert, aware, and responding appropriately
conscious
a condition characterized by a serious temporary ongoing change in function, such as paralysis or blindness, triggered by psychological factors rather than any physical cause
conversion disorder
a collection of blood trapped in the tissues of the brain
cranial hematoma
a neurosurgical procedure used in the treatment of dystonia, tremors, and Parkinson’s disease
deep brain stimulation
an acute condition of confusion, disorientation, disordered thinking and memory, agitation, and hallucinations
delirium
a disorder involving sudden and severe mental changes or seizures caused by abruptly stopping the use of alcohol
delirium tremens
a false personal belief that is maintained despite obvious proof or evidence to the contrary
delusion
a slowly progressive decline in mental abilities including memory, thinking, and judgment that is often accompanied by personality changes
dementia
a common mood disorder characterized by lethargy and sadness, as well as a loss of interest or pleasure in normal activities
depression
conditions that occur when normal thought is separated from consciousness
dissociative disorder
a mental illness characterized by the presence of two or more distinct personalities, each with its own characteristics, which appear to exist within the same individual
dissociative identity disorder (multiple personality disorder)
the excessive use of illegal drugs or the misuse of prescription drugs
drug abuse
the accidental or intentional use of an illegal drug or prescription medicine in an amount higher than what is safe or normal
drug overdose
a learning disability characterized by substandard reading achievement due to the inability of the brain to process symbols
dyslexia (developmental reading disorder)
a low-grade chronic depression present on a majority of days for more than two years
dysthmia (dysthymic disorder)
the use of ultrasound imaging to create a detailed visual image of the brain for diagnostic purposes
echoencephalography
a procedure in which small amounts of electric current is passed through the brain, deliberately triggering a brief seizure in order to reverse symptoms of certain mental ilnesses
electroconvulsive therapy (electroshock therapy)
the process of recording the electrical activity of the brain through the use of electrodes attached to the scalp
electroencephalography
inflammation of the brain
encephalitis