Posts Tagged ‘Risks’

Cyber Babies

September 9, 2016

“Cyber Babies” is chapter 3 in Dr.  Aiken’s new book “The Cyber Effect.”   She begins by relating a story of when she was traveling on a train watching a mother feeding her baby.   She held the baby’s bottle in one hand  and a mobile phone in the other.  Her head was bent looking at the screen.  The mother looked exclusively at her phone while the baby fed.  The baby gazed upward as babies do looking adoringly at the mother’s jaw, as the mother gazed adoringly at her phone.   The feeding lasted about 30 minutes and the mother did not make eye contact with the infant or once pull her attention from the screen of her phone.  Dr. Aiken was appalled as eye contact between baby and mother is quite important for the development of the child.  She mentioned that parents frequently ask her  at what age is it appropriate for a baby to be introduced to electronic screens.  She agrees that this is an important question but asks the parents first to think about this question:  What is the right age to introduce your baby to your mobile phone use?

She elaborates on the importance of face time with a baby.  They need the mother’s eye contact.   They need to be talked to, tickled, massaged, and played with.  She writes that there is no study of early childhood development that doesn’t support this.

She continues, “By experiencing your facial expressions—your calm acceptance of them, your love and attention, even you occasional groggy irritation—they thrive and develop.  This is how emotional attachment style is learned.  A baby’s attachment still is created by the baby’s earliest experiences with parents and caregivers.”  She further notes “A mother and her child need to be paying attention to each other.  They need to engage and connect.  It cannot be simply one-way.  It isn’t just about your baby bonding with you.   Eye contact is also about bonding with your baby.”

In a 2014 study in the journal “Pediatrics” fifty-five caregivers with children were observed in fast food restaurants, forty caregivers used mobile devices during the meal and sixteen used their devices continuously with their attention directed primarily at the device and not the children.  Dr. Aiken wishes that the following warning be placed on mobile phones:  “Warning:  Not Looking at your Baby Could Cause Significant Delays.”

She devotes considerable space to products that promise early childhood development, products such as the Baby Einstein Products.  Very little, if any, research has gone into the development of these products, and evaluations of these products provide no evidence that they are effective.

The research is clear that the best way to help a baby learn to talk or develop any other cognitive skill is through live interaction with another human being.  Videos and television shows have been shown to be ineffective in learning prior to the age of two.  A study of one thousand infants found that babies who watched more than two hours of DVDs per day performed worse on language assessments than babies who did not watch DVDs.  For each hour of watching a DVD, babies knew six to eight words fewer than babies who did not watch DVDs.  She does note that quieter shows with only one story line, such as “Blue’s Clues” and Teletubbies” can be more effective.   Still babies learn best from humans and not machines.

Some early-learning experts believe there is a connection between ADHD and screen use in children.  ADHD is now the most prevalent psychiatric illness of children and teenagers in America.  The number of young people being treated with medication of ADHD grows every year.  More than ten thousand toddlers, ages two and three years old, are among the children taking ADHD drugs, even though prescribing these falls outside any established pediatric guidelines.

Dr Aiken offers the following ideas for parents pending more guidance and information on proper regulation:

Don’t use a digital babysitter or, in the future, a robot nanny.  Babies and toddlers need a real caregiver, not a screen companion, to cuddle and talk with.  There is no substitute for a real human being.

Because your baby’s little brain is growing quickly and developed through sensory stimulation, consider the senses—touch, smell, sight, sound.  A baby’s early interactions and experiences are encoded in the brain and will ave lasting effects.

Wait until your baby is two or three years old before they get screen time.  And make a conscious decision about the screen rules for them taking into account that screens could be impacting how your child is being raised.

Monitor you own screen time.  Whether or not your children are watching, be aware of how much your television is on at home—and if the computer screen is always glowing and beckoning.  Be aware of how often you check you mobile phone in front of your baby or toddler.

Understand that babies are naturally empathetic and can be very sensitive to emotionally painful, troubling, or violent content.  Studies show that children have a different perception of reality and fantasy than adults do.  Repetitive viewings of frightening or violent content will increase retention, meaning they will form lasting unpleasant memories.

Don’t be fooled by marketing claims.  Science shows us that tablet apps may not be as educational as claimed and that screen time can, in fact, cause developmental delays and may even cause attention issues and language delays in babies who view more than two hours of media per cay.

Put pressure on toy developers to support their claims with better scientific evidence and new studies that investigate cyber effects.

The Dangers of MultiTasking

March 4, 2012

A common notion is that young people who have grown up with technology have effectively rewired their brains for multitasking and are proficient at multitasking. This common notion is wrong according to research.1 A group of psychologists at UCLA led by Karin Foerde conducted an experiment to determine whether multitasking impairs learning. They trained 14 participants to perform a single task, predicting the weather based on certain cues. Their brains were scanned while they did this. Their brains were also scanned while they did this task and had a secondary task added to it, keeping count of the number of high pitched auditory tones in a series of auditory tones.

The participants were able to perform both tasks, but they paid a cognitive cost when they performed both tasks. When they performed the weather task alone they used a region of the brain that enables us to apply knowledge gained to other situations when needed (System 2 processing). However, when they performed both tasks at once, they activated a part of their brain linked with habit learning (System 1 processing), The psychologist William James knew this more than one hundred years ago when he wrote that “we can’t easily do more than one thing at once, “unless the processes are very habitual.”2 So if anything surprising or unusual is encountered, it is likely to be missed.

Subsequently, a group of researchers at Stanford classified a group of participants as whether heavy or light multitaskers. They administered a series of cognitive tests, each designed to measure some aspect of distractibility to see which group handled the load better. They were surprised to find that compared to light multitaskers, the heavy multitaskers did a worse job filtering out irrelevant distractions, had a harder time ignoring irrelevant memories, and took a longer time switch from one task to another. Now both groups performed the same on tasks when there were no distractions. But it appears that the heavy multitaskers “may be sacrificing performance on the primary task to let in other sources of information.3

The problem is that people typically are not aware of this loss in performance. Other researchers4 found that people who were high in real-world multitasking not only had lower working-memory capacity, but also were more impulsive and sensation-seeking. Worse yet, they rated their own ability to multitask as higher than average. So their perceived ability and actual ability to multitask were inversely related. It appears that overconfidence rather than skill drives this proliferation of multitasking. The fear is that academic activity will receive less focused time, resulting in cursory processing of information and shoddy outcomes.

1Jaffe, E. (2012). Rewired: Cognition in the Digital Age. Observer, 25,2, 16-20. A Publication of the Association for Psychological Science.

2James, W. (1890). The Principles of Psycholog. NY: Holt.

3. Ophir, E., Nass, C., & Wagner, E.D., Cognitive Control in Media Multitaskers. Proceedings of the National Academy of Sciences, 106, 15583-15587.

4Strayer, D.L., & Watson, J.M., (2012).Supertaskers and the Multitasking Brain. Scientific American Mind, March/April, 22-29.

© Douglas Griffith and, 2012. Unauthorized use and/or duplication of this material without express and written permission from this blog’s author and/or owner is strictly prohibited. Excerpts and links may be used, provided that full and clear credit is given to Douglas Griffith and with appropriate and specific direction to the original content.

What Can Pharmacology Offer for a Healthy Memory?

February 1, 2012

For some people, the answer might be everything, or given time, everything. They believe that pharmacology will eventually provide a cure and/or a preventative to Alzheimer’s and dementia, and that it will enhance cognitive performance so that we can learn more and master more difficult subjects. This is to say nothing about the eventual beneficial effects to the economy and society. A recent article1 has motivated this blogger to post some cautionary remarks. It should be remembered that our cognitive abilities are the product of evolution. A common misconception is that evolution produces optimal results. No, evolution satisfices, that is provides a satisfactory solution to environmental challenges. These solutions involve trade-offs. For example, a woman’s pelvis is the sized so that it can both support bipedalism and the large cranium of an emerging baby.

Although our cognitive abilities might not be optimal, they have been shaped by evolution. We have two systems for processing information, System 1, which is fast, and System 2 which is slow but more thorough (See the Healthymemory Blog Post, “The Two System View of Cognition”and “Thinking Fast and Slow). Without System 1 we would have become extinct a long time ago. But without System 2 both our cognitive and cultural achievements would be extremely limited. One way of thinking about trade-offs is to think of an inverted U. Initially more of a factor is beneficial. However, at some point (the apex of the inverted U) more of this factor is causing losses someplace else.

Robert Bjork has suggested that there is a symbiosis of forgetting, remembering, and learning.2 John Anderson has written an entire book3 documenting how human cognition has been shaped to deal with the environment in an effective manner. Luria’s famous book, The Mind of a Mnemonist, about an individual referred to as “S” who had a phenomenal memory and earned his living by giving performances using his fantastic memory, had too much of a good thing. For example, he had difficulty remembering faces, which appeared to him as changing patterns. Research has also indicated that savant-like abilities such as S‘s can be induced in normal participants by turning off particular functional areas of the brain via repetitive transcranial magnetic stimulation.4

There are also individual differences determining whether pharmacology will be beneficial. Individuals of normal or above-average cognitive ability often show negligible improvements or even decrements in performance from certain drugs. One study5 found that modafinal improved performance only among individuals with lower IQs. In another study6, low-performing individuals showed enhanced performance, but high-performing individuals showed reduced performance after taking amphetamines. Inverted U shaped dose-response curves are quite common.7

This is not to say that there is no role for pharmacology in fostering a healthy memory. Clearly in the preceding examples low-performing individuals were showing benefits. But more is not necessarily better. Long term side effects of medication must also be considered.

1Hills, T. & Hertwig, R. (2011). Why Aren’t We Smarter Already: Evolutionary Trade-Offs and Cognitive Enhancements. Current Directions in Psychological Science, 20:373.

2Bjork, R.A. (2011). On the Symbiosis of Forgetting, Remembering, and Learning. In A.S. Benjamin (Ed.) Successful Remembering and Successful Forgetting: A Festschrift in Honor of Robert A. Bjork. (pp 1-22). London, England:Psychology Press.

3Anderson, J.R., (1990). The Adaptive Character of Thought. Psychology Press.

4Snyder, A. (2009). Explaining and Inducing Savant Skills: Privileged Access to Lower Level Less Processed Information. Philosophical Transactions of the Royal Society B, 364, 1399-1405.

5Randall, D.C. Shneerson, J.M., & File, S.E. (2005) . Cognitive Effects of Modafinil in Student
Volunteers May Depend on IQ. Pharmacology Biochemistry and Behavior, 82, 133-139.

6Farah, M.J., Haimm, C., Sankoorika, G., & Chatterjee (2009). When We Enhance Cognition with Adderall, Do We Sacrifice Creativity? A Preliminary Study. Psychopharmacology, 202, 541-547.

7Cools, R., & Robbins, T.W. (2004). Chemistry of the Adaptive Mind. Philosophical Transactions of the Royal Society London, A, 362, 2871-2888.

© Douglas Griffith and, 2012. Unauthorized use and/or duplication of this material without express and written permission from this blog’s author and/or owner is strictly prohibited. Excerpts and links may be used, provided that full and clear credit is given to Douglas Griffith and with appropriate and specific direction to the original content.