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There is also evidence for a genetic factor in causing psychological illness. [ 2 ] [ 3 ] The main cures for psychological illness under this model: electroconvulsive therapy , drugs, and surgery at times can have very good results in restoring "normality" as biology has been shown to play some sort of role in psychological illness.
Behavioral epigenetics is the field of study examining the role of epigenetics in shaping animal and human behavior. [1] It seeks to explain how nurture shapes nature, [2] where nature refers to biological heredity [3] and nurture refers to virtually everything that occurs during the life-span (e.g., social-experience, diet and nutrition, and exposure to toxins). [4]
Structural psychology was concerned with mental contents while functionalism is concerned with mental operations. It is argued that structural psychology emanated from philosophy and remained closely allied to it, while functionalism has a close ally in biology. [4] William James is considered to be the founder of functional psychology. But he ...
The psychologist Steven Pinker states that "group selection has no useful role to play in psychology or social science", since in these domains it "is not a precise implementation of the theory of natural selection, as it is, say, in genetic algorithms or artificial life simulations. Instead [in psychology] it is a loose metaphor, more like the ...
This approach to genetic association studies is largely atheoretical, and typically not guided by a particular biological hypothesis regarding the phenotype. [33] Genetic association findings for behavioural traits and psychiatric disorders have been found to be highly polygenic (involving many small genetic effects).
Microbial genetics can focus on Charles Darwin's work and scientists have continued to study his work and theories by the use of microbes. [7] Specifically, Darwin's theory of natural selection is a source used. Studying evolution by using microbial genetics involves scientists looking at evolutionary balance. [1]
Bacterial conjugation is the transfer of genetic material (plasmid) between bacterial cells by direct cell-to-cell contact or by a bridge-like connection between two cells. [1] Discovered in 1946 by Joshua Lederberg and Edward Tatum, [ 2 ] conjugation is a mechanism of horizontal gene transfer as are transformation and transduction although ...
For example, in lek paradox, if females consistently choose for a particular male trait, genetic variance for that trait should eventually be eliminated, removing the benefits of choice. However, that choice somehow still persists. One theory states that cheating maintains genetic variation in the face of selection for mutualism.