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Leon Eisenberg

Leon Eisenberg is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Leon Eisenberg rather than just read about it. In short: Leon Eisenberg (August 8, 1922 – September 15, 2009) was an American child psychiatrist, social psychiatrist and medical educator who "transformed child psychiatry by advocating research into developmental problems". He received both his BA and MD degrees from the Perelman School of Medicine at the University of Pennsylvania.

Leon Eisenberg — main illustration
Leon Eisenberg — illustration

Key takeaways

  • Leon Eisenberg belongs to biology; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Leon Eisenberg to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Leon Eisenberg from memory before moving on to harder problems.

Reference excerpt

Leon Eisenberg (August 8, 1922 – September 15, 2009) was an American child psychiatrist, social psychiatrist and medical educator who "transformed child psychiatry by advocating research into developmental problems". He received both his BA and MD degrees from the Perelman School of Medicine at the University of Pennsylvania. He is credited with several "firsts" in medicine and psychiatry – in child psychiatry, autism, and the controversies around autism, randomized clinical trials (RCTs), social medicine, global health, affirmative action, and evidence-based psychiatry. He served as Chairperson of the Johns Hopkins Hospital Department of Child and adolescent psychiatry and Harvard Medical School until his retirement in 1988. After retirement, he continued as The Maude and Lillian Presley Professor of Social Medicine, Psychiatry Emeritus, and in the Department of Global Health and Social Medicine of the Harvard Medical School in the Longwood Medical Area of Boston, until a few months before his death in 2009. Previously, he had taught at both the University of Pennsylvania and Johns Hopkins University. He was chief of psychiatry at both Johns Hopkins Hospital in Baltimore and the Massachusetts General Hospital in Boston during formative periods in psychiatry for each institution.

Medical accomplishments Eisenberg completed the first outcome study of autistic children in adolescence and recognized patterns of language use as the best predictor of prognosis. Of the two first studies of the outcome of infantile autism, he reported the American study in the American Journal of Psychiatry in 1956, and the UK study was reported in JCPP shortly afterward by Victor Lotter and Sir Michael Rutter. Eisenberg also studied and identified the use of rapid rea turn to school as the key treatment in the management of the separation anxiety in an underlying school phobia. He was principal investigator (PI) on the first grant from the Psychopharmacology Branch of NIMH for RCTs in child psychopharmacology. From a concern for evidence-based care, well before the phrase was coined, he introduced randomized controlled trials (RCTs) in psychopharmacology and showed that "tranquillizing drugs were inferior to placebo in the treatment of anxiety disorders, whereas stimulant drugs were effective in controlling hyperactivity." Eisenberg completed the first RCTs of psychiatric consultation to social agencies and the utility of brief psychotherapy in anxiety disorders. He published a forceful critique of Konrad Lorenz's instinct theory and established the usefulness of distinguishing "disease" from "illness". He has highlighted the environmental context as a determinant of the phenotype emerging from a given genotype, and from the late 1990s through 2006, he had been involved with developing conferences and resources for medical educators in various specialties that would help them incorporate into courses with their current and future students, the tidal wave of new information in genomics yet to puzzle future clinicians. This interest may have been encouraged by his stepson, Alan Guttmacher, then acting head of the National Human Genome Research Institute. For many decades, Eisenberg had criticized psychoanalysis from several platforms. The scientific contributions of Eisenberg include:

The first longitudinal follow-up of Leo Kanner's original cases of autism. A study that identified the roots of social phobia in parental anxiety. The first clinical trial in search of the effectiveness of psychiatric consultation in a social agency. The first randomized controlled trial in childhood psychopharmacology.. The first randomized controlled trial of stimulant drugs in adolescents. The first randomized clinical trial of brief psychotherapy. A forceful critique of Lorenz's theory of instincts and imprinting. An early statement of the distinction between "disease" (what doctors deal with) and "illness" (what patients suffer). A widely cited critique of the oscillation of psychiatry between brain-centered and mind-centered that approaches arguing for the integration of the two. A synthesis of the evidence on the importance of training primary care physicians to recognize and treat depression. Papers that highlight molding the brain structure by social experience. Publications putting inheritance in an environmental context as a determinant of risk and resilience. Eisenberg is known as "the father of prevention science in psychiatry" Eisenberg was proudest of the Diversity Lifetime Achievement Award he received in 2001 for his role in inaugurating affirmative action at HMS in 1968 and sustaining it as chairman of the Admissions Committee from 1969 to 1974. He regards that as his most important contribution to Harvard Medical School. He and his wife, Carola B. Eisenberg, former dean of students, first at MIT, then at Harvard Medical School, had been active with Physicians for Human Rights, which as an organization received a Nobel Peace Prize in 1997 for its International Campaign to Ban Landmines. In mid-2009 (June 22, 2009), a Leon Eisenberg Chair in Child Psychiatry was named at Children's Hospital Boston. The first chairholder of the Leon Eisenberg Professorship in Child Psychiatry is David R. DeMaso, MD, HMS Professor of Psychiatry and Psychiatrist-in-Chief at Children's Hospital Boston. His autographical memoir was published posthumously by Acta Psychiatrica Scandinavica.

Death Eisenberg died of prostate cancer at his home in Cambridge, Massachusetts on September 15, 2009.

… excerpt ends here. Continue reading the full article.

Illustrations

Leon Eisenberg illustration
Leon Eisenberg: Shekhar Saxena
Shekhar Saxena

Worked examples

Example 1 — a first encounter with Leon Eisenberg

Start with the simplest possible case. Write down what Leon Eisenberg claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Leon Eisenberg before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Leon Eisenberg ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Leon Eisenberg

In research
Leon Eisenberg appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Leon Eisenberg in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Leon Eisenberg is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1922 births, 2009 deaths, 20th-century American Jews, so understanding it makes those chapters shorter.
In everyday life
Look for Leon Eisenberg outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Leon Eisenberg in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Leon Eisenberg means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Leon Eisenberg out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Leon Eisenberg in simple terms?

Leon Eisenberg (August 8, 1922 – September 15, 2009) was an American child psychiatrist, social psychiatrist and medical educator who "transformed child psychiatry by advocating research into developmental problems". He received both his BA and MD degrees from the Perelman School of Medicine at the…

Why does Leon Eisenberg matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Leon Eisenberg?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Leon Eisenberg.

Tags

  • 1922 births
  • 2009 deaths
  • 20th-century American Jews
  • 21st-century American Jews
  • American child psychiatrists
  • Deaths from prostate cancer in Massachusetts
  • Fellows of the Royal College of Psychiatrists
  • Harvard Medical School faculty
  • Johns Hopkins Hospital physicians
  • Members of the National Academy of Medicine
  • Perelman School of Medicine at the University of Pennsylvania alumni
  • Physicians of Massachusetts General Hospital

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