Dr. Devon MacEachron\'s Blog


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I thought it would be helpful to post a list of the books and other resources I most frequently refer my clients to.


8 Keys to Parenting Children with ADHD by Cindy Goldrich (2015). Excellent “instruction manual” for how to parent children with ADHD including behavior management strategies. Author available for consultations.

Bright Kids Who Can’t Keep Up by Ellen Braaten and Brian Willoughby (2014). How slow processing speed impacts students and what can (and can’t) be done to help.

Executive Skills in Children and Adolescents by Peg Dawson and Richard Guare (2004). This is a manual – a “how-to” guide with specific interventions to be implemented at home and/or school for executive function weaknesses. I used this guide to help my son get through high school.

Misdiagnosis and Dual Diagnoses of Gifted Children and Adults: ADHD, bipolar, OCD, Asperger’s, depression, and other disorders, by James T. Webb, et al. (2005). In my view a bit extreme in suggesting that many behaviors characteristic of disability are actually just signs of giftedness, though I agree that does sometimes occur. I find that more often giftedness and disability coexist and that giftedness alone is not always (or even often) associated with dysfunction.

Overcoming Dyslexia by Sally Shaywitz (2003). Primarily about how to properly remediate reading problems but also specifically addresses challenges faced by bright dyslexics (Shaywitz is at Yale so discusses and works with students there).

The ADHD Explosion by Stephen P. Hinshaw and Richard Scheffle (2014). Chapters on the causes of ADHD (where biology meets culture) and diagnosing and treating ADHD are well worth the cost of the book. Much of the rest delves into social and educational policy issues. Anything by Stephen Hinshaw (one of my mentors at Berkeley) is recommended.

The Dyslexia Empowerment Plan by Ben Foss (2013). Focuses on strengths associated with dyslexia, explains assistive technology, and argues in favor of “reading” by listening rather than scanning text with one’s eyes. My son has taught himself to listen at 3x normal speed and says it is a “game changer” for him.

The Dyslexic Advantage by Brock and Fernette Eide (2011). Focuses on identifying the 4 main strengths associated with dyslexia. Powerful reading for adult dyslexics as well as parents. I give a copy to any parent of a dyslexic child who thinks they, too, might  be dyslexic. The book launched a foundation and website listed below.

The Mislabeled Child: How understanding your child’s unique learning style can open the door to success by Brock and Fernette Eide (2006). Covers misdiagnosis  and has chapters on different issues including communication challenges, ADHD, dysgraphia, dyslexia, and giftedness.

Websites, Facebook, and Other Resources:

2e Twice-Exceptional Newsletter. 2e Newsletter. An online bimonthly publication dedicated to understanding twice exceptional children. Modest fee for  online subscription. I think it’s well worth it.

Davidson Institute. Davidson Young Scholars. Non-profit providing free counseling to families of exceptionally gifted students accepted as Davidson Young Scholars. Many of my clients find the counseling to be very helpful.

Devon MacEachron, PhD. www.drdevon.com. That’s me! 2e assessment and educational advising. Facebook:  https://www.facebook.com/2Egifted/. Twitter: https://www.twitter.com/2egifted.

Dyslexic Advantage. Dyslexic Advantage Foundation. Focused on uncovering and celebrating the strengths associated with dyslexia. Testimonials, famous people, advice, assistive technology, etc. Premium membership gives access to a wonderful magazine and other resources.

Hoagies Gifted Website. Hoagies . Huge resource on giftedness and 2e with a plethora of articles, chat groups, blogs, etc.  Hoagies Gifted Discussion Group is a related Facebook group with 4,835 members you must apply to participate in.

Johns Hopkins Center for Talented Youth. CTY. Students testing as highly gifted in math or verbal qualify for their summer camps, online courses, family vacations, and day programs. The programs are not inexpensive, but they are phenomenal and can change a child’s life.

National Association for Gifted Children. NAGC. National advocacy group, posts articles, position papers, annual conference, offers Parenting for High Potential magazine, program and camp lists.

Parents of Twice Exceptional Children (2E): Closed Facebook group with 7,762 members you must apply to join. Active discussion with responses from parents in similar situations.

Raising Poppies: Closed Facebook group with 13,279 members you must apply to join focused on issues raising gifted children.

TilT Parenting: www.tiltparenting.com. Features a weekly podcast focused on parenting 2e learners, referred to positively as “differently wired” kids, in the TilT manifesto.

Intelligence is multifaceted. When people tell me they want to know their IQ, I feel like asking: “In what area?” There are many different cognitive abilities and they have different impacts on what one is trying to accomplish. That’s why I approach the assessment of a person’s abilities from the perspective of the Cattell-Horn-Carroll (CHC) model which is, in effect, an inventory of “the intelligences.” It’s the most comprehensive and empirically supported theory of the structure of cognitive abilities to date, reflecting 70 years of research. About 80 different abilities are defined, with 20-25 of these playing important roles in school learning.

What I’d like to talk about today is the future and the role fluid intelligence might have in it. In the CHC model there are basically two main groupings of abilities that represent higher-order reasoning: crystallized intelligence and fluid intelligence. They can be traced to two separate brain systems. Crystallized intelligence is a function of brain regions that involve the storage and usage of long-term memories, such as the hippocampus. Fluid intelligence involves the dorsolateral prefrontal cortex, the anterior cingulate cortex, and other systems related to attention and short-term memory.

Crystallized Intelligence is the ability to use learned knowledge and experience. It’s not the same thing as memory, but it does rely on accessing information from long-term memory (learning that has become “crystallized”). Crystallized intelligence encompasses vocabulary, depth and breadth of general knowledge, the ability to listen to and understand oral communications, knowledge of grammar, and the like. It is the product of educational and cultural experience. When you meet someone who has a large vocabulary, knows a lot of facts, is a Crossword puzzle or Scrabble master, and is a voracious reader, you can be pretty sure they have strong crystallized intelligence. People who have strong crystallized intelligence tend to sound really smart and they tend to do well in school.

In contrast, Fluid Intelligence is the capacity to reason and solve novel problems, independent of any knowledge from the past. It involves drawing inferences, concept formation, classification, generating and testing hypothesis, identifying relations, comprehending implications, problem solving, extrapolating, and transforming information. Fluid reasoning encompasses inductive reasoning, deductive reasoning, and quantitative reasoning. Sherlock-Holmes kind of thinking. When you meet someone who has strong fluid reasoning you may not have any idea how smart they are until you throw a problem at them that needs solving. People who have strong fluid intelligence don’t necessarily excel in school, especially in the lower grade levels. If they make it to the PhD-level they may have trouble memorizing all the information they need to pass their oral exams. But boy can they defend their dissertation!

Some of the children I work with are strong in both areas. Others are strong in one or the other, but not both. The ones with strong crystallized intelligence tend to do well in school, as so much of school (the way it is structured today) is about learning facts and procedures. The ones with strong fluid intelligence may be so busy questioning the assumptions that they don’t learn the rules and procedures their classmates do. They may resist authority and question the value of what’s taught in school.

The Future: Our world is changing very rapidly. I know people have often said that about the times they live in, but it’s more true now than ever before. The pace of innovation and disruption is accelerating. As a society we are facing all kinds of novel problems to which we have no learned solutions, from political changes to global warming to the potential dangers of artificial intelligence. By 2020, the Fourth Industrial Revolution will have brought us advanced robotics and autonomous transport, artificial intelligence and machine learning, advanced materials, biotechnology and genomics. I wonder: What kind of brains will our children need to work in that kind of environment?

Now I’m going to enter into an area of conjecture and hypothesis, as I can find very little research literature on the topic. I guess I’m tapping into my own fluid intelligence.

I think the minds that will be best-suited to solving the world’s problems in the future are those with strengths in fluid intelligence. I believe that individuals who rely on crystallized intelligence may look to the past and rely too much on book learning and facts and procedures. In contrast, individuals who rely on fluid intelligence will be able to think on their feet around something totally unfamiliar, and be comfortable with the kind of complexity, uncertainty, and ambiguity we’re facing. They will be flexible and fluid thinkers who like challenging the assumptions and thinking outside the box. Because many aspects of crystallized intelligence (e.g. stores of knowledge) can be easily accessed with a quick swipe on our phone, they may not be hampered by having weaker crystallized intelligence.

I feel a shift in the kind of intelligence we need for the future necessitates changes in the way we teach children. We’re teaching 19th century skills in our 21st century schools. To teach 21st and 22nd century skills will require a move away from the teaching of standard procedures and rote memorization toward creative problem-solving and how to tap into inductive and deductive reasoning processes. Intelligence is not fixed – it’s malleable. That’s what having a “growth mentality” is all about. So I’d like to see schools, parents, employers, and others focus more on the benefits of enhancing human fluid intelligence. After all, machines can probably do crystallized intelligence a lot better than we can anyway.