Improving Fluid Intelligence With Training On Working Memory
According to David Geary, Gf and Gc can be traced to two separate brain systems. Fluid intelligence involves the dorsolateral prefrontal cortex, the anterior cingulate cortex, and other systems related to attention and short-term memory. Crystallized intelligence appears to be a function of brain regions that involve the storage and usage of long-term memories, such as the hippocampus.
In a controversial study, Susanne M. Jaeggi and her colleagues at the University of Michigan, found that healthy young adults who practiced a demanding working memory task (dual n-back) approximately 25 minutes per day for between 8 and 19 days, had statistically significant increases in their scores on a matrix test of fluid intelligence taken before and after the training than a control group who did not do any training at all.
A second study conducted at the University of Technology in Hangzhou, China, supports Jaeggi's results independently. After student subjects were given a 10 day training regime based on the dual n-back working memory theory, the students were tested on Raven's Standard Progressive Matrices. Their scores were found to have increased significantly.
Subsequent studies, namely by Chooi & Thompson, Redick et al do not support Jaeggi claims. Although participants' performance on the training task improved, results from latter did not suggest any significant improvement in the mental abilities tested, especially fluid intelligence and working memory capacity. The meta-analytic review concluded that "memory training programs appear to produce short-term, specific training effects that do not generalize."
Read more about this topic: Fluid And Crystallized Intelligence
Famous quotes containing the words improving, fluid, intelligence, training, working and/or memory:
“The market came with the dawn of civilization and it is not an invention of capitalism.... If it leads to improving the well-being of the people there is no contradiction with socialism.”
—Mikhail Gorbachev (b. 1931)
“There are no fixtures in nature. The universe is fluid and volatile. Permanence is but a word of degrees. Our globe seen by God is a transparent law, not a mass of facts. The law dissolves the fact and holds it fluid.”
—Ralph Waldo Emerson (1803–1882)
“Given for one instant an intelligence which could comprehend all the forces by which nature is animated and the respective positions of the beings which compose it, if moreover this intelligence were vast enough to submit these data to analysis, it would embrace in the same formula both the movements of the largest bodies in the universe and those of the lightest atom; to it nothing would be uncertain, and the future as the past would be present to its eyes.”
—Pierre Simon De Laplace (1749–1827)
“When the child is twelve, your wife buys her a splendidly silly article of clothing called a training bra. To train what? I never had a training jock. And believe me, when I played football, I could have used a training jock more than any twelve-year-old needs a training bra.”
—Bill Cosby (20th century)
“The toughest thing about success is that you’ve got to keep on being a success. Talent is only a starting point in this business. You’ve got to keep on working that talent. Someday I’ll reach for it and it won’t be there.”
—Irving Berlin (1888–1989)
“With the holders holding my hand nearing the call of the bird,
Comrades mine and I in the midst, and their memory ever to keep, for the dead I loved so well,
For the sweetest, wisest soul of all my days and
lands—and this for his dear sake,
Lilac and star and bird twined with the chant of my soul,
There in the fragrant pines and the cedars dusk and dim.”
—Walt Whitman (1819–1892)