What happens when the brain misbehaves? Flashcards

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1
Q

Lewy body

A

Circular fibrous structure found in several neurodegenerative disorders; forms within the cytoplasm of neurons and is thought to result from abnormal neurofilament metabolism.

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2
Q

cognitive-behavioral therapy (CBT)

A

Problem-focused, action-oriented, structured, treatment for eliminating dysfunctional thoughts and maladaptive behaviors.

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2
Q

DSM

A

Abbreviation of Diagnostic and Statistical Manual of Mental Disorders, the American Psychiatric Association’s classification system for psychiatric disorders.

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3
Q

phenylketonuria (PKU)

A

Behavioral disorder caused by elevated levels of the amino acid phenylalanine in the blood and resulting from a defect in the gene for the enzyme phenylalanine hydroxylase; the major symptom is severe mental retardation.

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3
Q

type II schizophrenia

A

Disorder characterized by negative symptoms (behavioral deficits) and associated with chronic affliction, poor prognosis, poor response to neuroleptics, cognitive impairments, enlarged ventricles, and cortical atrophy, particularly in the frontal cortex.

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4
Q

diaschisis

A

Neural shock that follows brain damage in which areas connected to the site of damage show a temporary arrest of function.

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4
Q

focal seizure

A

Seizure that begins locally (at a focus) and then spreads out to adjacent areas.

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4
Q

grand mal seizure

A

Seizure characterized by loss of consciousness and stereotyped motor activity.

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5
Q

automatism

A

Unconscious, repetitive, stereo-typed movement characteristic of seizure.

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7
Q

bipolar disorder

A

Mood disorder characterized by periods of depression alternating with normal periods and periods of intense excitation, or mania.

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7
Q

postictal depression

A

Postseizure state of confusion and reduced affect.

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8
Q

dementia

A

Acquired and persistent syndrome of intellectual impairment characterized by memory and other cognitive deficits and impairment in social and occupational functioning.

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8
Q

neuropsychoanalysis

A

Movement within neuroscience and psychoanalysis to combine the insights of both to yield a unified understanding of mind and brain.

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9
Q

posttraumatic stress disorder (PTSD)

A

Syndrome characterized by physiological arousal symptoms brought on by recurring memories and dreams related to a traumatic event for months or years after the event.

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10
Q

catatonic posture

A

Rigid or frozen pose resulting from a psychomotor disturbance.

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11
Q

magnetic resonance spectroscopy (MRS)

A

Modification of MRI to identify changes in specific markers of neuronal function; promising for accurate diagnosis of traumatic brain injuries.

13
Q

cognitive enhancement

A

Brain-function enhancement by pharmacological, physiological, or surgical manipulation.

14
Q

type I schizophrenia

A

type I schizophrenia

16
Q

deep brain stimulation (DBS)

A

Neurosurgery in which electrodes implanted in the brain stimulate a targeted area with a low-voltage electrical current to facilitate behavior.

17
Q

real-time fMRI (rt-fMRI)

A

Behavior-modification technique in which individuals learn to change their behavior by controlling their own patterns of brain activation.

18
Q

ischemia

A

Lack of blood to the brain as a result of stroke.

19
Q

petit mal seizure

A

Seizure of brief duration, characterized by loss of awareness with no motor activity except for blinking, turning the head, or rolling the eyes.

20
Q

neuroprotectant

A

Drug used to try to block the cascade of poststroke neural events.

21
Q

symptomatic seizure

A

Identified with a specific cause, such as infection, trauma, tumor, vascular malformation, toxic chemicals, very high fever, or other neurological disorders.

22
Q

tardive dyskinesia

A

Inability to stop the tongue or other body parts from moving; motor side effect of neuroleptic drugs.

24
Q

cognitive therapy

A

Psychotherapy based on the perspective that thoughts intervene between events and emotions, and thus the treatment of emotional disorders requires changing maladaptive patterns of thinking.

25
Q

virtual-reality (VR) exposure therapy

A

Controlled, virtual-immersion environment that, by allowing individuals to relive traumatic events, gradually desensitizes them to stress.

27
Q

behavioral therapy

A

Treatment that applies learning principles, such as conditioning, to eliminate unwanted behaviors.

28
Q

psychotherapy

A

Talking therapy derived from Freudian psychoanalysis and other psychological interventions.

30
Q

akathesia

A

Small, involuntary movements or changes in posture; motor restlessness.

31
Q

chronic traumatic encephalopathy (CTE)

A

Progressive degenerative disease caused by multiple concussions and other closed-head injuries, characterized by neurofibrillary tangles, plaques, and cerebral atrophy and expanded ventricles due to cell loss.

32
Q

festination

A

Tendency to engage in a behavior, such as walking, at faster and faster speeds.

33
Q

HPA axis

A

Hypothalamic-pituitary-adrenal circuit that controls the production and release of hormones related to stress.

34
Q

idiopathic seizure

A

Appears spontaneously and in the absence of other diseases of the central nervous system.

35
Q

mania

A

Disordered mental state of extreme excitement.

36
Q

autoimmune disease

A

Illness resulting from the loss of the immune system’s ability to discriminate between foreign pathogens in the body and the body itself.