Jerome Kagan

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Jerome Kagan is an American psychologist. He was born in 1929 in Newark, New Jersey, and grew up in Rahway, New Jersey.[1] Kagan is currently retired[2] after being a professor at Harvard University in the Developmental program.[3] He is one of the key pioneers of developmental psychology. He is Daniel and Amy Starch Research Professor of Psychology, Emeritus at Harvard University, and co-faculty at the New England Complex Systems Institute. He has shown that an infant's "temperament" is quite stable over time, in that certain behaviors in infancy are predictive of certain other behavior patterns in adolescence[4] T. He did extensive work on temperament and gave insight on emotion.

Kagan was listed as the 22nd most eminent psychologist of the 20th century, just above Carl Jung.[5]

Personal background[edit]

Kagan was born to Joseph and Mytle Kagan on February 25, 1929. Jerome chose to study psychology due to his attraction in being a scientist and to preserve his grandfather's interest in human nature.[1] He was accepted at Yale University to study Psychology, where he earned his Ph.D. and he earned his Master's degree from Harvard University.[6] He earned a B.S. Degree from Rutgers University in 1950.[7] While at Yale University, he assisted Frank Beach, a well respected researcher.[1] After he graduated from Yale University, he accepted his first faculty position at Ohio State University.[1] Six months later, in 1955 he was recruited to be a part of the research team at the U.S. Army Hospital during the Korean War.[1] Once he had finished his time at the U.S. Army Hospital, the director of the Fels Research Institute contacted Kagan to ask him to direct a project that was funded by the National Institutes of Health, which he accepted.[1] After that project was completed, he accepted the offer he received from Harvard University to be involved in creating the first Human Development program.[1] Once he moved to Harvard, he remained there until retirement, with the exception of a leave to go and study children in San Marcos.[1] He did this for a year, from 1971 to 1972, and then returned to Harvard as a professor.[1]

Research[edit]

While at Fels, Kagan did extensive research on personality traits beginning with infancy and continued through adulthood.[8] He looked at whether or not early experiences affected the participants' future personalities, talents and characters.[1] Kagan read up on all of the longitudinal information that was prepared, specifically, the responses to intelligence tests that were administered to them.[1] When Kagan was reviewing the material collected in childhood and adulthood, he found that the first three years in childhood showed little relation to the data collected in adulthood.[1] The results of the Fels study was discussed in Kagan's book, Birth to Maturity, in 1962.[1] Kagan's next research was in San Marcos, Guatemala.[1] During this time, Kagan discovered that biological factors play a huge role in development and an even larger part in child development.[9] Specifically, he found that these children had slower Psychological development when in their homes due to their restricted experiences.[1] Once the children were walking and could leave the home, Kagan found that the psychological delay in development was only temporary, and that cognitive growth is malleable.[1] In 2010, Kagan was involved in a similar study that focused on specific parts of the brain involved in behavioral inhibition in infants. Schwartz et al. (2010) performed a longitudinal study involving 18-year-olds and used neuroimaging to detect whether or not the ventromedial or orbitofrontal cerebral cortex are associated with the high/low reactivity of their 4-month-old selves. After undergoing a battery of tests, the infants were later categorized into two groups: low-reactive and high-reactive temperament. Results showed that the adults who had low-reactive infant temperaments had greater thickness in the left orbitofrontal cortex than the high-reactive group. The adults categorized as high-reactive infants displayed greater thickness in the right ventromedial prefrontal cortex. While at Harvard University, Kagan studied infants up to two years and published his work in his book, The Second Year.[1] Kagan's research found that there were major changes in Psychological functioning between 19 and 24 months, and that one year old children were sensitive to events that deviated from their normal experiences.[10] Kagan also looked at the effects of infant daycare in response to Congress' proposal to fund federal day care centers for working mothers.[1] Richard Kearsley, Philip Zelazo and Kagan created their own daycare in Boston's Chinatown, and compared these infants to infants who stayed at home with their mothers.[11] This research revealed very little difference between the infants in day care and those whose mothers stayed at home with them with respect to cognitive functioning, language, attachment, separation protest, and play tempo[11]

Emotion[edit]

Kagan proposed that emotion is a psychological phenomenon controlled by brain states and that specific emotions are products of context, the person’s history, and biological make-up.[12] Kagan also explained emotion as occurring in four dinstinct phases, including the brain state (created by an incentive), the detection of changes in bodily movement, the appraisal of a change in bodily feeling, and the observable changes in facial expression and muscle tension.[12] These emotions vary in magnitude and usually differ across ages and when expressed in different contexts.[12] Kagan questioned relying on individual's verbal statements of their feelings.[12] He provided several reasons for this; he argued that the English language does not have enough words to describe all emotional states, the words to explain emotional states do not convey the differences in quality or severity, and translating emotion words from one language to another produces variations and inaccuracies.[12][12] In addition, Kagan argued that research in emotion studies should be free of ambiguous and coded terms, and this emphasis on specificity remains a recurring theme in his current research on emotion.[12]

Temperament[edit]

According to Kagan, (conventionally):

temperament refers to stable behavioral and emotional reactions that appear early and are influenced in part by genetic constitution.

[13]

Temperament is perhaps what Kagan is best known for. He began his work on temperament after his research in Guatemala. Kagan primarily focused on children’s fear and apprehension.[14] He defined two types of temperament; inhibited and uninhibited.[15] Inhibited refers to a shy, timid, and fearful profile of a child, whereas uninhibited refers to the appearance of bold, sociable and outgoing behaviours.[15] In 2008, Kagan and several other researchers conducted a study to examine if behavioral inhibition in adulthood can be predicted by certain behavioral characteristics in infants.[16] The research hypothesized that the frequency of infant reactivity based on motor and crying dimensions is predictive of behavioral inhibition. As a result of his ground breaking work on temperament, we know that these characteristics have the ability to influence later behavior depending on how they interact with the environment.[14] Kagan also believed that there is no guarantee of an indefinitely stable profile considering environmental factors are always changing and that both genes and environmental factors influence a child's temperament [15]

Publications[edit]

He is the author of:

  • Personality and the learning Process (1965)
  • Reflection- Impulsivity and Reading Ability in Primary Grade Children (1965)
  • Personal Development (1971)
  • The growth of the child. Reflections on human development (1978)
  • The Nature of the Child (1982)
  • An argument for mind (2006)
  • What is emotion?: History, measures, and meanings (2007)
  • In defense of Qualitative Changes in Development (2008)
  • The three cultures: Natural sciences, social sciences, and the humanities in the 21st century (2009)
  • Once more into the Breach (2010)
  • The temperamental thread. How genes, culture, time, and luck make us who we are (2010) [Trad. esp.: El temperamento y su trama. Cómo los genes, la cultura, el tiempo y el azar inciden en nuestra personalidad, Buenos Aires/Madrid, Katz editores, 2011, ISBN 978-84-92946-32-7]
  • On the Need for Relativism. American Psychologist, 1967, 22, 131-142.

Some of the books Kagan has written or co-written include:

  • Birth to Maturity (1962)
  • Understanding Children: Behavior, Motives, and Thought (1971)
  • The Second Year: The Emergence of Self-Awareness (1981)
  • Unstable Ideas: Temperament, Cognition, and Self (1989)
  • Galen’s prophecy: Temperament in human nature (1994)
  • Three Seductive Ideas (2000)
  • A Young Mind in a Growing Brain (2005)
  • Psychology's Ghosts: The Crisis in the Profession and the Way Back (2012)

Awards[edit]

Kagan won the Hofheimer Prize of the American Psychiatric Association in 1963. In 1995, He won the G. Stanley Hall Award of the American Psychological Association (APA).

References[edit]

  1. ^ a b c d e f g h i j k l m n o p q r Kagan, J. (2007). A History in Psychology in Autobiography 9. Washington, DC: Edwards Brothers. pp. 115–149. ISBN 978-1591477969. 
  2. ^ Sweeney, S. (2010-04-15). "Often, we are what we were". Harvard Gazette. Retrieved 2012-07-30. 
  3. ^ Harvard University. "Department Directory". Retrieved 2011-11-28. 
  4. ^ Kagan, Jerome (2004). The Long Shadow of Temperament. United State of America: President and Fellows of Harvard College. 
  5. ^ Haggbloom, S. J. et al. (2002). "The 100 Most Eminent Psychologists of the 20th Century" (pdf). Review of General Psychology 6 (2): 139–152. doi:10.1037//1089-2680.6.2.139.  Haggbloom et al. combined 3 quantitative variables: citations in professional journals, citations in textbooks, and nominations in a survey given to members of the Association for Psychological Science, with 3 qualitative variables (converted to quantitative scores): National Academy of Science (NAS) membership, American Psychological Association (APA) President and/or recipient of the APA Distinguished Scientific Contributions Award, and surname used as an eponym. Then the list was rank ordered.
  6. ^ Alic, M. (2001). "Kagan, Jerome". Encyclopedia of Psychology. Retrieved 2009-11-27. [dead link]
  7. ^ N. N. (1988). "Jerome Kagan". American Psychologist 43 (4): 223–225. 
  8. ^ Alic, M. (2009). "Jerome Kagan — Questions Environmental Determinism, Questions Continuity of Development and Parental Influences". Psychology Encyclopedia. Retrieved 2012-07-30. 
  9. ^ Kagan, J. (2003). "Biology, Context, and Developmental Inquiry" (pdf). Annual Reviews of Psychology 54: 1–23. doi:10.1146/annurev.psych.54.101601.145240. 
  10. ^ Kagan, J. (1981). The Second Year: The Emergence of Self Awareness. USA: Harvard University Press. ISBN 9780674796638. 
  11. ^ a b Kagan, Jerome; Kearsley, R.B.; Zelazo, P.R (February 1977). "The Effects of Infant Day Care on Psychological Development". Evaluation Review 1 (1). doi:10.1177/0193841X7700100105. 
  12. ^ a b c d e f g Kagan, J. (2010). "Once more into the Breach". Emotion Review 2 (2): 91–99. doi:10.1177/1754073909353950. 
  13. ^ Kagan, J. (1994). Galen's Prophecy: Temperament in Human Nature. Basic Books. p. 40. ISBN 9780465084050. 
  14. ^ a b "Jerome Kagan". Pearson Education. Retrieved 2012-07-30. 
  15. ^ a b c Kagan, J. (1997). Galen's Prophecy: Temperament in Human Nature. USA: Westview Press. ISBN 9780813333557. 
  16. ^ Moehler, Eva; Kagan, Jerome; Oelkers-Ax,Rieke; Brunner, Romuald; Poustka, Luise; Haffner, Johann; Resch, Franz (March 2008). "Infant Predictors of Behavioral Inhibition". British Journal of Developmental Psychology 26 (1): 145–150. 
  • Schwartz, C. E.; Kunwar, P. S.; Greve, D. N.; Moran, L. R.; Viner, J. C.; Covino, J. M.; Kagan, J.; S. Stewart, S. E.; Snidman, N. C.; Vangel, M. G.; Wallace, S. R. (2010). "Structural Differences in Adult Orbital and Ventromedial Prefrontal Cortex Predicted by Infant Temperament at 4 Months of Age". Archives of General Psychiatry 67 (1): 78–84. doi:10.1001/archgenpsychiatry.2009.171. 

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