Chapter 3: Models of Abnormality Flashcards
Psychological model or paradigm
A set of assumptions and concepts that help scientists explain and interpret observations
Biological model in treating abnormal symptoms
- Focus on anatomical or biochemical problems in the brain or body
- Abnormalities can arise from genetic inheritance and evolution
- Leading methods involve drug therapy, brain stimulation, and psychosurgery
Neuron
A nerve cell
Synapse
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
Receptor
A site on a neuron that receives a neurotransmitter
Hormones
The chemicals released by endocrine glands into the bloodstream
Brain circuit
a network of particular brain structures that work together, triggering each other into action to produce a distinct kind of behavioral, cognitive, or emotional reaction
Gene
chromosome segments that control that characteristics and traits we inherit
Psychotropic medications
drugs that primarily affect the brain and reduce many symptoms of mental dysfunction
Brain stimulation
interventions that directly or indirectly stimulate the brain in order to bring about psychological improvement
Electroconvulsive therapy (ECT)
a biological treatment in which brain a seizure is triggered as an electric current passes through electrodes attached to the patient’s forehead
Psychosurgery
brain surgery for mental disorders
Psychodynamic model
the theoretical perspective that sees all human functioning as being shaped by dynamic (interacting) psychological forces and explains people’s behavior by reference to unconscious internal conflicts
Id
the psychological force that produces instinctual needs, drives, and impulses
Ego
the psychological force that employs reason and operates in accordance with the reality principle
Superego
the psychological force that represents a person’s values and ideals
Self-theory
the psychodynamic theory that emphasizes the role of the self- our unified personality
Object relations theory
the psychodynamic theory that views the desire for relationships as the key motivation force in human behavior