Chapter 2 Flashcards
Model
A set of assumptions and concepts that help scientists explain and interpret observations. Also called a paradigm.
Neuron
A nerve cell
Synapse
The tiny space between the nerve ending of one neuron and the dendrite of another
Neurotransmitter
A chemical that, released by one neuron, crosses the synaptic space to be received at receptors on the dendrites of neighboring neurons
Receptors
A site on a neuron that receives a neurotransmitter
Endocrine system
Endocrine glands work along with neuron to control vital activities
Hormone
The chemicals released by endocrine glands into the bloodstream
Gene
Chromosome segments that control the characteristics and traits we inherit
Evolution
Contributes to abnormal functioning
Ex. Fear helped ancestors escape danger and threats, now leads to anxiety disorders
Psychotropic medication
Drugs that primarily affect the brain and reduce many symptoms of mental dysfunctioning
Electroconvulsive therapy (ECT)
A form of biological treatment, used primarily on depressed patients, in which a brain seizure is triggered as an electric current passes through electrodes attached to the patient’s forehead
Psychosurgery
Brain surgery for mental disorders. Also called neurosurgery.
Unconscious
Unavailable to immediate awareness
ID
According the Freud, the psychological force that produces instinctual needs, drives, and impulses
Ego
According to Freud, the psychological force that employs reason and operates in accordance with the reality principle
Ego defense mechanism
According to psychoanalysis theory, strategies developed by the ego to control unacceptable id impulses and to avoid or reduce the anxiety they arouse
Superego
According to Freud, the psychological force that represents a person’s values and ideals
Fixation
According to Freud, a condition in which the id, ego, and superego do not mature properly and are frozen at an early stage of development
Ego theory
Emphasize the role of the ego and consider it a more independent and powerful force than Freud did
Self theory
Give the greatest attention to the role of the self–the unified personality
Object relations theory
Propose that people are motivated mainly by a need to have relationships with other and that severe problems in the relationships between children and their caregivers may lead to abnormal development
Free association
A psychodynamic technique in which the patient describes any thought, feeling, or image that comes to mind, even if it seems unimportant