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Krippner, Stanley; Barrett, Deirdre
The Journal of mind and behavior, 01/2019, Letnik: 40, Številka: 1Journal Article
Epigenetics is the study of cellular variations that are caused by external, environmental factors that “switch” genes “on” and “off,” making changes in the phenotype of genetic expression without concomitant changes in the DNA sequence or genotype. Epigenetic effects have been noted in the offspring of traumatized parents and there is some evidence that some of these effects can be observed in third generation offspring. However, the latter studies have been conducted with small numbers of non-human animals, with modest effect sizes. Implications for evolutional theory and psychotherapy are discussed.
