An overview of the nature versus nurture theory and its history

By Saul McLeodupdated The nature vs. Nature is what we think of as pre-wiring and is influenced by genetic inheritance and other biological factors. Nurture is generally taken as the influence of external factors after conception, e. The nature-nurture debate is concerned with the relative contribution that both influences make to human behavior.

An overview of the nature versus nurture theory and its history

Ibn Zuhr Avenzoar described disorders similar to meningitisintracranial thrombophlebitisand mediastinal germ cell tumors ; Averroes attributed photoreceptor properties to the retina ; and Maimonides described rabies and belladonna intoxication.

His Perspectiva contains much material in psychologyoutlining views that are close to modern notions on the association of ideas and on the subconscious. Beginnings of modern psychology[ edit ] Many of the Ancients' writings would have been lost had it not been for the efforts of the Christian, Jewish and Persian translators in the House of Wisdomthe House of Knowledgeand other such institutions in the Islamic Golden Agewhose glosses and commentaries were later translated into Latin in the 12th century.

However, it is not clear how these sources first came to be used during the Renaissanceand their influence on what would later emerge as the discipline of psychology is a topic of scholarly debate.

Nature and Nurture Debate - Genes or Environment?

The term did not come into popular usage until the German Rationalist philosopher, Christian Wolff — used it in his works Psychologia empirica and Psychologia rationalis In England, the term "psychology" overtook "mental philosophy" in the middle of the 19th century, especially in the work of William Hamilton — Also important to the later development of psychology were his Passions of the Soul and Treatise on Man completed in but, along with the rest of The Worldwithheld from publication after Descartes heard of the Catholic Church 's condemnation of Galileo ; it was eventually published posthumously, in Although not educated as a physician, Descartes did extensive anatomical studies of bulls' hearts and was considered important enough that William Harvey responded to him.

Descartes was one of the first to endorse Harvey's model of the circulation of the blood, but disagreed with his metaphysical framework to explain it.

Descartes dissected animals and human cadavers and as a result was familiar with the research on the flow of blood leading to the conclusion that the body is a complex device that is capable of moving without the soul, thus contradicting the "Doctrine of the Soul".

The emergence of psychology as a medical discipline was given a major boost by Thomas Willisnot only in his reference to psychology the "Doctrine of the Soul" in terms of brain function, but through his detailed anatomical work, and his treatise De anima brutorum quae hominis vitalis ac sentitiva est: However, Willis acknowledged the influence of Descartes's rival, Pierre Gassendi, as an inspiration for his work.

Transition to contemporary psychology[ edit ] Also influential on the emerging discipline of psychology were debates surrounding the efficacy of Mesmerism a precursor to hypnosis and the value of phrenology.

The former was developed in the s by Austrian physician Franz Mesmer — who claimed to use the power of gravity, and later of "animal magnetism", to cure various physical and mental ills. As Mesmer and his treatment became increasingly fashionable in both Vienna and Paris, it also began to come under the scrutiny of suspicious officials.

They concluded that Mesmer's method was useless. Although disputed, the "magnetic" tradition continued among Mesmer's students and others, resurfacing in England in the 19th century in the work of the physician John Elliotson —and the surgeons James Esdaile —and James Braid — who reconceptualized it as property of the subject's mind rather than a "power" of the Mesmerist's, and relabeled it "hypnotism".

Mesmerism also continued to have a strong social if not medical following in England through the 19th century see Winter, Phrenology began as "organology", a theory of brain structure developed by the German physician, Franz Joseph Gall — He argued that the larger each of these organs are, the greater the power of the corresponding mental trait.

Further, he argued that one could detect the sizes of the organs in a given individual by feeling the surface of that person's skull. Gall's ultra-localizationist position with respect to the brain was soon attacked, most notably by French anatomist Pierre Flourens —who conducted ablation studies on chickens which purported to demonstrate little or no cerebral localization of function.

A selection of "Central Spiritual Insights" gleaned from Christian sources

Although Gall had been a serious if misguided researcher, his theory was taken by his assistant, Johann Gaspar Spurzheim —and developed into the profitable, popular enterprise of phrenologywhich soon spawned, especially in Britain, a thriving industry of independent practitioners.

In the hands of Scottish religious leader George Combe — whose book The Constitution of Man was one of the best-sellers of the centuryphrenology became strongly associated with political reform movements and egalitarian principles see, e.

Phrenology soon spread to America as well, where itinerant practical phrenologists assessed the mental well-being of willing customers see Sokal, Emergence of German experimental psychology[ edit ] Until the middle of the 19th century, psychology was widely regarded as a branch of philosophy.

Whether it could become an independent scientific discipline was questioned already earlier on: Immanuel Kant — declared in his Metaphysical Foundations of Natural Science that psychology might perhaps never become a "proper" natural science because its phenomena cannot be quantified, among other reasons.

His Anthropology from a Pragmatic Point of Viewwhich resulted from these lectures, looks like an empirical psychology in many respects. Although he was unable to empirically realize the terms of his psychological theory, his efforts did lead scientists such as Ernst Heinrich Weber —18 78 and Gustav Theodor Fechner — to attempt to measure the mathematical relationships between the physical magnitudes of external stimuli and the psychological intensities of the resulting sensations.

Fechner is the originator of the term psychophysics. Meanwhile, individual differences in reaction time had become a critical issue in the field of astronomy, under the name of the " personal equation ".

Other timing instruments were borrowed from physiology e. The 19th century was also the period in which physiology, including neurophysiology, professionalized and saw some of its most significant discoveries. In the s, while he held a position in HeidelbergHelmholtz engaged as an assistant a young M.

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Moving to a more prestigious professorship in Leipzig inWundt founded a laboratory specifically dedicated to original research in experimental psychology inthe first laboratory of its kind in the world.

Inhe launched a journal in which to publish the results of his, and his students', research, Philosophische Studien Philosophical Studies For more on Wundt, see, e. Wundt attracted a large number of students not only from Germany, but also from abroad.

Among his most influential American students were G.Introduction. Developed by Donald Black and since extended and applied to various subjects by a number of scholars, Black’s theory of law and social control addresses a phenomenon relevant to specialists in nearly every subfield of social science: the handling of human conflict.

Dec 12,  · Perceptions of nature, nurture and behaviour. it is biological explanations that have caused more concern not only because of the history of eugenics but also because they may be seen as more fundamental, being there from birth, and as harder to change. Traynor BJ, Singleton AB.

Nature versus nurture: death of a . Overview; Nature vs. Nurture - What do you think? Nature vs Nurture - What do you think? In looking for the causes of individual differences in intelligence, a major issue is the relative contribution of genetics and environment. % Genetics Pendulum of opinion on Nature vs.

An overview of the nature versus nurture theory and its history

Nurture through history. History of the Nature vs. Nurture Debate. Developmental systems theory, the topic of nature versus nurture has always fascinated me, I am adopted so I .

2. Autonomy vs.

{dialog-heading} Leadership Theories Behavioral Theory This theory focuses especially on what highly effective leaders do. This theory is often preferred by educators because behaviors can rather easily be seen and duplicated.
Critical Evaluation The History of Autonomy a.

Shame and Doubt. Autonomy versus shame and doubt is the second stage of Erik Erikson's stages of psychosocial development. This stage occurs between the ages of 18 months to approximately 3 years.

TO TRULY UNDERSTAND LEADERSHIP, KNOW ITS BROAD CONTEXT. It helps to be acquainted with the different major theories because it helps you to see leadership from a variety of different perspectives and, thus, to deepen and enrich your understanding of leadership in general.

Nature Nurture in Psychology | Simply Psychology