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- mettlesome (comparative more mettlesome, superlative most mettlesome) Marked by mettle or bravery; courageous.
en.wiktionary.org/wiki/mettlesome
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Biological psychology, the study of the physiological bases of behaviour. Biological psychology is concerned primarily with the relationship between psychological processes and the underlying physiological events—or, in other words, the mind-body phenomenon. Its focus is the function of the brain.
- The Editors of Encyclopaedia Britannica
Feb 1, 2004 · Working together, these professionals study the structural and functional aspects of behavior across species, explore the developmental processes of biology and behavior across the life span, and utilize findings to formulate practical applications that promote human health.
- Issues and Debates
- Investigation of Inheritance
- Methods of Studying The Brain
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Free will vs. determinism
It is strongly determinist as it views behavior as caused entirely by biological factors over which individuals have no control.
Nature vs. nurture
The biological approach is firmly on the nature side of the debate; however, it does recognize that our brain is a plastic organthat changes with experience in our social world, so it does not entirely deny the influence of nurture. Cross-cultural researchinvolves studying a particular behavior (e.g., gender, facial expressions) across different cultures. If the behavior is found to be similar across cultures, psychologists conclude that differences in behavior are biologically (i.e., nature)...
Holism vs. reductionism
The biological approach is reductionist as it aims to explain all behavior by the action of genetic or biochemical processes. It neglects the influence of factors such as early childhood experiences, conditioning, or cognitive processes.
Twin studies provide geneticists with a kind of natural experiment in which the behavioral likeness of identical twins (whose genetic relatedness is 1.0) can be compared with the resemblance of dizygotic twins (whose genetic relatedness is 0.5). In other words, if heredity (i.e., genetics) affects a given trait or behavior, then identical twins sho...
It is important to appreciate that the human brainis a highly complicated piece of biological machinery. Scientists have only just “scratched the surface” of understanding the many functions of the workings of the human brain. The brain can influence many types of behavior. In addition to studying brain-damaged patients, we can find out about the w...
The Voyage of the Beagle(1805 – 1836) – Darwin formulated his theory of natural selection by observing animals while traveling the world. Harlow (1848): Phineas Gage brain injury case studyprovides neuroscience with significant information regarding the working of the brain. Darwin (1859) publishes On the Origin of Species by Means of Natural Selec...
There are four meanings listed in OED's entry for the adjective mettlesome, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.
Oct 3, 2023 · Biopsychology is an interdisciplinary branch of psychology that analyzes how the brain, neurotransmitters, and other aspects of our biology influence our behaviors, thoughts, and feelings. This field of psychology is also sometimes known as physiological psychology, behavioral neuroscience, or psychobiology.
The 17th-century adjective mettlesome (popularly used of spirited horses) sometimes appeared as the variant metalsome. That's not surprising. In the 16th century and for some time after, mettle was a variant spelling of metal—that is, the word for substances such as gold, copper, and iron.
The adjective mettlesome is a great way to describe someone who's full of pride or courage — although it's also an old-fashioned, somewhat literary way to do it. Many classic children's books feature mettlesome main characters, like Huckleberry Finn and Ann of Green Gables.
