DNA Testing for Smart Life Choices

Memory Performance

Do you have a good memory or are you forgetful? Do you remember what has just been said to you verbatim, or are you better at recalling information from a long time ago? A DNA Test can reveal your genetic potential for memory ability. Your ability (or inability) to remember and retain information can be explained by your genes.

Some people have photographic memories and the capacity to recall facts effortlessly while others struggle with their memory. For some, short term memory is strong and others have better long term memory. Understanding more about how your memory capacity is encoded in your DNA  can help you make better choices about your career, hobbies and more.

Do you have a photographic memory or read once and remember forever? Or do you forget  easily and wish you could remember more? Take the Memory Performance DNA Test to find out today.


Genetics 101

Every cell in the human body contains DNA– a long complex chain made of billions of bases called nucleotides. Only four types of nucleotides compose the DNA chain: These are A=Adenine G = Guanin, T=Thymine, C= Cytosine. The DNA chain is packed in 23 separate packages called chromosomes, which make our genome. A gene is a sequence of hundreds, thousands or even tens of thousands of nucleotides. Human cells have two copies for almost every gene in our genome. Together, all of our genes determine our physical characteristics and traits.

Nucleotide sequence in the DNA chain has some differences for each person, which is what makes each of us unique. A change in the sequence of even a single nucleotide can determine a person’s certain tendency. Studies have found that is it enough for a person to have a change in a single nucleotide (known as SNP-Single Nucleotide Polymorphism) to mark a gene and to be able to predict with certainty that this person has a specific tendency.
(read more about DNA and genes in Genetics 101).

The Memory Performance Test consits of the following two tests:

1. Memory Capacity Test

The behavioral effects of many genetic variants may be better understood as process-specific rather than disease-specific. A functional polymorphism in the (COMT) gene has been associated with cognitive function and brain metabolic activity accompanying such tasks.

In this study, IQ was assessed at age 8 (mean=8 years, 8 months [SD=3.1 months]) using the WISC-III (U.K. edition). Verbal and performance IQ scores were calculated in accordance with standard procedures whenever four subscale scores were available. At the same time, verbal inhibition was assessed by the time taken to perform the Opposite Worlds task. This task required the child to read aloud a string of the digits 1 and 2 and respond in the “opposite” manner (i.e., saying “one” for the digit 2).

At age 10 (mean=10 years, 8 months [SD=3.0 months]), visual working memory was assessed using the Count Span task. In this task, the child counted out loud the number of red dots presented on a screen. After viewing multiple screens, the child was asked how many dots were on each screen within that set and received a span score based on the number of correctly recalled sets, with a maximum score of 5 in increments of 0.5.

The marker used in this test is rs2075507.

2. Memory Recall Test

Genetic and environmental influences are implicated in human memory. Twin and adoption studies converge on the conclusion that cognitive abilities are among the most heritable behavioral . According to this study, a common single nucleotide polymorphism (SNP) (T:C exchange) within the KIBRA gene has an effect on episodic memory performance (rs17070145). Carriers of the KIBRA T allele had 24% better free recall performance 5 min after a word presentation and 19% better free recall performance 24-h after a word presentation than non-carriers.

A follow-up genome-wide association study reveals that brain gene expression and brain imaging studies to characterize an association between a common variant of the KIBRA gene and individual variation in normal human memory. KIBRA rs17070145 T-allele non-carriers had lower scores than carriers of this allele on episodic memory tests in a pooled genome-wide association study (GWAS) of normal young adults. After controlling for their memory scores in a functional magnetic resonance imaging (fMRI) study, KIBRA T-allele non-carriers had greater hippocampal activation than non-carriers during an episodic memory task, suggesting that the hippocampus had to work harder to perform the task in those with the poor memory allele.

These testimonials are based on fictional accounts, but for most of us, they are all-too familiar situations.

“I’ve always been told that I have an amazing memory for events and details. My friends marvel at how accurate my memory is. My best friend suggested I take the Memory Performance Test to see if my memory capabilities were actually in my genes. This test is so cool! I do have a genetic tendency to have a great memory…no wonder!”

“I’m only 30 years old; it's way too early to be forgetting as much as I do. My mother has the same problem, and so when I read about the Memory Performance Test, I immediately ordered it to find out if forgetfulness is in our DNA. Turns out it is! The information was so helpful. Now I know why neither my mother nor I can find our car keys! We have invested some time in memory exercises in order to improve our abilities.”

“My son is always teasing me about the fact that I can't seem to remember the details of a story. I've been blaming it on “pre-senior moments”, but I thought it would be interesting to find out if my lack of memory recall was indeed in my genes. The Memory Performance Test showed that it was! Good thing my son didn't inherit it”

“I fell in love with my wife because of the way she told stories. She can remember every last detail of a story and exactly what people said, verbatim. It's really an amazing gift. She can be hilariously funny because she really gives the listener a sense of what really happened. Apparently, her father was the same way. I suggested she take the Memory Performance Test to see if it was in her genes. The test was right on! It's an inherited gift!”

 

Results available online

$79.00

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