Essentials of Abnormal Psychology, chapter 2

multidimensional integrative approach - correct answersApproach to the study of psychopathology that holds psychological disorders are always the products of multiple interacting causal factors. genes - correct answersLong deoxyribonucleic acid (DNA) molecule, the basic physical unit of heredity that appears as a location on a chromosome. diathesis-stress model - correct answersHypothesis that both an inherited tendency (a vulnerability) and specific stressful conditions are required to produce a disorder. vulnerability - correct answersSusceptibility or tendency to develop a disorder. gene-environment correlation model - correct answersModel that posits one's genetic make-up may increase the probability that an individual will experience certain events (such as stressful relationships) that trigger genetic vulnerabilities to disorders epigenetics - correct answersThe study of factors other than inherited DNA sequence, such as new learning or stress, that alter the phenotypic expression of genes. neuroscience - correct answersStudy of the nervous system and its role in behavior, thoughts, and emotions. neuron - correct answersIndividual nerve cell responsible for transmitting information. synaptic cleft - correct answersSpace between nerve cells where chemical transmitters act to move impulses from one neuron to the next. neurotransmitters - correct answersChemical that crosses the synaptic cleft between nerve cells to transmit impulses from one neuron to the next. Relative excess or deficiency of neurotransmitters is involved in several psychological disorders. hormone - correct answersChemical messenger produced by the endocrine glands. brain circuits - correct answersNeurotransmitter current or neural pathway in the brain. agonist - correct answersIn neuroscience, a chemical substance that effectively