Barbara Fredrickson
Encyclopedia
Barbara L. Fredrickson is a professor in the department of Psychology
Psychology
Psychology is the study of the mind and behavior. Its immediate goal is to understand individuals and groups by both establishing general principles and researching specific cases. For many, the ultimate goal of psychology is to benefit society...

 at the University of North Carolina at Chapel Hill
University of North Carolina at Chapel Hill
The University of North Carolina at Chapel Hill is a public research university located in Chapel Hill, North Carolina, United States...

, where she is the Kenan Distinguished Professor of Psychology.

Fredrickson is a social psychologist
Social psychology
Social psychology is the scientific study of how people's thoughts, feelings, and behaviors are influenced by the actual, imagined, or implied presence of others. By this definition, scientific refers to the empirical method of investigation. The terms thoughts, feelings, and behaviors include all...

 who conducts research in emotion
Emotion
Emotion is a complex psychophysiological experience of an individual's state of mind as interacting with biochemical and environmental influences. In humans, emotion fundamentally involves "physiological arousal, expressive behaviors, and conscious experience." Emotion is associated with mood,...

s and positive psychology
Positive psychology
Positive psychology is a recent branch of psychology whose purpose was summed up in 1998 by Martin Seligman and Mihaly Csikszentmihalyi: "We believe that a psychology of positive human functioning will arise, which achieves a scientific understanding and effective interventions to build thriving in...

. Her main work is related to her broaden-and-build theory of positive emotions
Broaden-and-build
The broaden-and-build theory of positive emotions suggests that positive emotions broaden one's awareness and encourage novel, varied, and exploratory thoughts and actions. Over time, this broadened behavioral repertoire builds skills and resources...

, which suggests that positive emotions lead to novel, expansive, or exploratory behavior, and that, over time, these actions lead to meaningful, long-term resources such as knowledge and social relationships. She is the author of Positivity, a general-audience book that draws on her own research and that of other social scientists.

Fredrickson earned her Ph.D.
Doctor of Philosophy
Doctor of Philosophy, abbreviated as Ph.D., PhD, D.Phil., or DPhil , in English-speaking countries, is a postgraduate academic degree awarded by universities...

 from Stanford University
Stanford University
The Leland Stanford Junior University, commonly referred to as Stanford University or Stanford, is a private research university on an campus located near Palo Alto, California. It is situated in the northwestern Santa Clara Valley on the San Francisco Peninsula, approximately northwest of San...

 in 1990. She was a professor at the University of Michigan
University of Michigan
The University of Michigan is a public research university located in Ann Arbor, Michigan in the United States. It is the state's oldest university and the flagship campus of the University of Michigan...

 for 10 years before moving to the University of North Carolina at Chapel Hill
University of North Carolina at Chapel Hill
The University of North Carolina at Chapel Hill is a public research university located in Chapel Hill, North Carolina, United States...

.

Fredrickson's mentors include Robert Levenson and Laura Carstensen.

Broaden-and-build

Studies from Fredrickson's lab have randomly-assigned participants watch films that induce positive emotions such as amusement and contentment, negative emotions such as fear and sadness, or no emotions. Compared to people in the other conditions, participants who experience positive emotions show heightened levels of creativity, inventiveness, and "big picture" perceptual focus. Longitudinal studies
Longitudinal study
A longitudinal study is a correlational research study that involves repeated observations of the same variables over long periods of time — often many decades. It is a type of observational study. Longitudinal studies are often used in psychology to study developmental trends across the...

 show that positive emotions play a role in the development of long-term resource such as psychological resilience
Psychological resilience
Resilience in psychology refers to the idea of an individual's tendency to cope with stress and adversity. This coping may result in the individual “bouncing back” to a previous state of normal functioning, or using the experience of exposure to adversity to produce a “steeling effect” and function...

 and flourishing.

The undoing effect

Fredrickson and others hypothesize that positive emotions undo the cardiovascular effects of negative emotions. When people experience stress
Stress (medicine)
Stress is a term in psychology and biology, borrowed from physics and engineering and first used in the biological context in the 1930s, which has in more recent decades become commonly used in popular parlance...

, they show increased heart rate
Heart rate
Heart rate is the number of heartbeats per unit of time, typically expressed as beats per minute . Heart rate can vary as the body's need to absorb oxygen and excrete carbon dioxide changes, such as during exercise or sleep....

, higher blood sugar
Blood sugar
The blood sugar concentration or blood glucose level is the amount of glucose present in the blood of a human or animal. Normally in mammals, the body maintains the blood glucose level at a reference range between about 3.6 and 5.8 mM , or 64.8 and 104.4 mg/dL...

, immunosuppression
Immunosuppression
Immunosuppression involves an act that reduces the activation or efficacy of the immune system. Some portions of the immune system itself have immuno-suppressive effects on other parts of the immune system, and immunosuppression may occur as an adverse reaction to treatment of other...

, and other adaptations optimized for immediate action. If individuals do not regulate these changes once the stress is past, they can lead to illness, such as coronary disease
Coronary disease
Coronary disease refers to the failure of coronary circulation to supply adequate circulation to cardiac muscle and surrounding tissue. It is already the most common form of disease affecting the heart and an important cause of premature death in Europe, the Baltic states, Russia, North and South...

, and heightened mortality. Both lab research and survey research indicate that positive emotions help people who were previously under stress relax back to their physiological baseline.

Sex differences in self-objectification

Prior to her work on positive emotions, Fredrickson researched social and environmental cues that can carry sexist
Sexism
Sexism, also known as gender discrimination or sex discrimination, is the application of the belief or attitude that there are characteristics implicit to one's gender that indirectly affect one's abilities in unrelated areas...

 messages and enhance stereotypical gender differences
Gender differences
A sex difference is a distinction of biological and/or physiological characteristics associated with either males or females of a species. These can be of several types, including direct and indirect. Direct being the direct result of differences prescribed by the Y-chromosome, and indirect being...

. She found that when women are randomly assigned dress in a way that calls attention to their bodies, they show impaired performance on a math task and were literally more likely to "throw like a girl". This research suggested that drawing attention to women's bodies also activated stereotypical beliefs about their gender.

Recognition

Fredrickson received the Templeton Prize in Positive Psychology in 2000 for her work on the broaden-and-build theory, which included a $100,000 grant to fund her work. Her work has been supported by grants from the National Institute of Mental Health
National Institute of Mental Health
The National Institute of Mental Health is one of 27 institutes and centers that make up the National Institutes of Health...

.

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK