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Brain Power Magazine: issue 2 - BELT YOUR MEMORY! Brain Power Magazine

BELT YOUR MEMORY!

Sue Whiting, Memory Grandmaster, explains how

The Brian Club has always envisaged an award system for memory achievement. A grading system - Memory Belts - is in the club manifesto. But are these Belts well defined? And how are you supposed to achieve them? These issues, among others, were discussed at a recent meeting of mnemons. Several of our members had already started to learn information from Master Your Memory and we decided that the grades on page 15 of the Manifesto should be amended as in the table below:

What constitutes an item of data?

Anything could be an item of data for these purposes. But there have to be some guidelines - and we agreed the following rules as appropriate.

  1. All data must have been learned as part of a memory system. (Anyone using the SEM3 system from Master Your Memory is conforming with this requirement.)
  2. The full name of a person counts as one item, i.e. the surname and first names count as only one item not two, three, four etc.
  3. The full name of a work of art similarly counts as one item.
  4. Any year counts as one item.

Verification of test results

As with all Brain Club certification there is a strong element of trust (see page 15 of the manifesto). A witness, who can even be a family member, must observe the skill being performed to the required level. The most efficient way of verifying test results though, is probably to do it through one of the various cells of the Brain Club. It is not necessary for the witness to have achieved any memory belts himself.

There should be some authoritative source of data upon which that person should be tested. I photocopied the relevant sections of Tony's book (hopefully not breaking any of the copyrights!) and deleted the sections that I hadn't learned, e.g. all the composers' styles from number 50 onwards and all the writers' dates.

I also inserted some additional interesting information that I had gleaned during the memorising process, e.g. Carlo Gesualdo was a violent and passionate man who murdered his first wife and her lover! (Thanks Penny for that gem!) To make life easier, for both my witness and myself, I additionally wrote alongside each composer, etc., how many items I had learned - this helped considerably when calculating the final total!

The test itself

In most cases the person being tested will be given a list of questions and will be expected to write down the answer. For example: What is number 79 in the major system? Who is composer number 51 and give all his details? What is the birth date of Mozart?

Unlike the Grandmaster awards, a mistake is not particularly penal, i.e. spelling errors and omitting part of a name, would only lose 1/2 of a mark. We decided that a confidence level of 95% would be sufficient for this type of memorising.

Statistical sampling

To avoid having to test people on every single item of data, which almost becomes impossible when you reach Dan status, Ian Docherty has devised a system of statistical sampling. He has formulated a table (see below) showing both the sample size and the maximum number of errors allowed at each level.

This table is not mandatory but Ian and I decided that we had to have some written guidelines when we were doing the witnessing for each other. So when Ian and I achieved our green awards (1,500 items) we actually learned 1,650 items, were tested on 170 and were allowed up to 14 mistakes.

Our error rate, even after losing those infuriating half marks for spelling errors, was well below 14 and so we achieved our belts. When we try for our more advanced belts, we will still have to be tested on the first 1,650 again since one purpose of this memory exercise is to have knowledge in one's long-term memory.

I hope that this will show you how easy it is to achieve memory belts as long as you work consistently towards your own personal goal. All members of the Brain Club should be able to register for the white belt (you just need to know the number shape or rhyme system) and then the white plus red (just learn the major system - I suggest you learn 10 new ones a day and then you'll be there in 10 days).

If you have any questions on the statistics, please refer them to Ian. But of course if you don't like statistics, feel free to be tested on every single item ... the choice is yours!

Table 1

Belt Number of items successfully memorised
White 10
White plus red 100
White plus two reds 250
Red 500
Orange 750
Yellow 1000
Green 1500
Blue 2000
Indigo 3000
Violet 4000
First Dan 5000
Second Dan 10000
Third Dan 15000
Fourth Dan 20000
Fifth Dan 25000
Sixth Dan 30000
Seventh Dan 35000
Eighth Dan 40000
Ninth Dan 45000
Tenth Dan 50000


Table 2

Learned Sample Maximum Errors 95% confidence level (low) 95% confidence level (high) Award
10 10 0 10 10 10
110 30 2 101 104 100
270 60 4 250 254 250
540 80 5 503 510 500
820 90 7 751 761 750
1100 110 9 1005 1015 1000
1650 170 14 1509 1519 1500
2200 220 19 2004 2016 2000
3300 330 29 3004 3016 3000
4400 440 39 4004 4016 4000
5250 530 24 5008 5016 5000
10500 1050 49 10006 10014 10000
15750 1580 74 15008 15017 15000
21000 2100 99 20006 20014 20000
26250 2630 124 25008 25017 25000
31500 3150 149 30006 30014 30000
36750 3680 174 35008 35017 35000
42000 4200 199 40006 40014 40000
47250 4730 224 45008 45017 45000
52500 5250 249 50006 50014 50000

Issue 2: Contents | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8