• Dr Jack represented by Gordon Poole Speaker Agency

    Dr Jack's services as a motivational speaker can now be booked through leading speaker's bureau Gordon Poole

    Since the success of Dr Jack’s inaugural live speaking events in late 2010 and early 2011, he is now represented by Britain’s largest speaker bureau. The Gordon Poole Agency has been running for almost half a century and they represent most of the biggest names on the live speaking circuit. From celebrity after dinner speakers to business and motivational speakers, they provide corporate clients with a wide variety of options to choose from.

    Uniquely, Dr Jack’s live talks centre around revealing the mysteries of the most complex organ in the known universe – your brain. By casting light on the hidden mechanisms by which we perceive the world, communicate, think and decide, human behaviour is thrown into sharp relief. Understanding how the brain generates behaviour is extremely valuble to anyone trying to make a success of themselves in the business world. Understanding what makes others tick, how they make decisions and give away clues to what they are really thinking through subconsciously-orchestrated, subtle body language, really gives those privvy to this valuable knowledge the competitive edge.

    As businesses struggle to remain successful in an increasingly competitive and difficult marketplace, they have an unfortunate tendency to squeeze more and more out of their existing workforce.  The increased pressure and working hours elevate stress levels to a point where they can be debilitating to a person’s health and their productivity. Dr Jack’s Brain Coach Live talks provide the audience with a complete toolbox of brain tips and tricks that enable them to get the most out of their brains each and every day. This includes practical advice regarding how you can ensure your brain receives all the nourishment, rest and exercise it requires to operate at full potential throughout the day. Strategies to improve memory, alleviate stress, enhance communication skills and boost creative thinking are suggested and consolidated with an explanation of why these techniques enable our brains to work better. This helps employees rise to the challenge of the business world’s ever-moving goalposts, every single day.

    If you wish to book Dr Jack to speak at a conference, meeting or dinner please don’t hesitate to get in touch with Gordon Poole to check his availability:

    Tel: 01275 463222
    Fax: 01275 462252

    E-Mail: agents@gordonpoole.com

    Gordon Poole Agency Ltd
    The Limes
    Brockley
    Bristol, BS48 3BB
    United Kingdom

    In addition to these weekly BrainPosts you can catch Dr Jack’s daily #braintweet by following him on Twitter.

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  • Cognitive Reserve Keeps Alzheimer’s Dementia at Bay by Dr Jack Lewis

    Elderly people who do not suffer with Alzheimer's tend to exercise regularly, eat healthily, seek mental stimulation, are proactively engaged in a varied social life and are well integrated into their community. These lifestyle choices do not guarantee to keep dementia at bay, but it sure as hell can't hurt to try

    Contrast the lifestyles of people in their seventies who do and do not suffer from Alzheimer’s disease and clues about how to keep your brain ticking over nicely, well into old age, jump right out at you. Those who do not suffer with this dreaded disease tend to have been more committed to a regular exercise regime throughout their later years; hitting it as hard as their inevitable physical infirmities would allow (TOP TIP: Tai Chi is an excellent example of a low impact physical exercise which improves strength and flexibility at any age. It requires no equipment and can be practiced wherever you happen to be). They tend to have been more engaged in a wider array of social activities. They tend to have been careful with their diet in the long term, favouring a healthy Meditteranean-style diet (see below for more) over a typical modern Western diet (often high in saturated fats and sugars). They also tend to have been more proactively involved with their local community and more  motivated to seek regular mental stimulation. People are now being advised to adopt a variety of brain-healthy habits if they wish to reduce the likelihood of developing cognitive deficits that the progression of Alzheimer’s disease can, but does not always, induce.

    Alzheimer’s disease is the most common of the many different types of dementia, affecting 10% of those over 65 and almost 50% of people over the age of 85 (Evans et al, 1989). Dementia describes a syndrome that involves progressive cognitive decline occurring at an accelerated pace compared to the very gradual loss of mental faculties associated with normal aging. Dementia can involve the deterioration of reasoning, judgement, thinking, mood control, language, understanding and, most famously of all, memory. Colloquially-speaking, Alzheimer’s disease is an almighty metabolic cock-up: a brain protein (beta-amyloid) is not constructed properly due to a misprint in the genetic recipe, causing it to form tiny sticky clumps (plaques) that develop between brain cells, preventing them from communicating with each other properly and eventually killing them off entirely. To make matters worse neurofibrillary tangles accumulate within brain cells, which also ultimately leads to cell death.

    As Alzheimer's progresses brain cells are gradually killed causing brain regions to shrink and the gaps between them to consequently enlarge

    Depending upon which brain structures these plaques form in, different mental functions can be disturbed. For instance, a brain structure that typically gets more than its fair share of amyloid plaques and neurofibrillary tangles in Alzheimer’s is the hippocampus. As I’ve described in a previous brainpost this brain structure is critical for the formation of memories and so when its function is compromised by the plaques and tangles of Alzheimer’s, people can become extremely forgetful.

    To date, scientific research has yet to come up with a treatment to stop the formation of these amyloid plaques and neurofibrillary tangles, but there is evidence that drug treatments designed to boost the cholinergic neurotransmitter system can make symptoms less severe. Furthermore and extensive body of studies has gradually accumulated over the past 20 years to indicate that some people are able to tolerate the disruption caused by these plaques better than others (e.g. Katzman et al, 1988). The Katzman study described individuals who had shown no cognitive impairment whatsoever in life, yet post-mortem examination of their brains revealed that telltale signs of Alzheimer’s disease (the plaques and tangles) which had progressed to a considerable degree. This disparity begs the question: if two people’s brains are affected by the same degree of plaque damage, why does one continue to enjoy normal mental faculties, whilst the other suffers severe impairments to their memory, thinking and mood? The concept of “cognitive reserve” was introduced to describe brains which seemed to be able to compensate for the damage done by Alzheimer’s, presumably by using other brain networks not affected by the metabolic damage to take over certain cognitive tasks.

    Alzheimer's disease involves plaques accumulating around the neural called "axons" that allow communication between different brain areas

    A separate study, this time involving 593 individuals in New York over the age of 60 and on an “at risk of dementia” register, concluded that “increased educational and occupational attainment may reduce the risk” of developing Alzheimer’s disease. A more recent study conducted in the UK concluded that cognitive reserve is almost entirely mediated by childhood cognitive ability and educational attainment, whilst whether people had successful careers or not had very little influence. So does this mean that the only way to “plaque-proof” yourself is to study hard at school and stay in education for as long as possible? Well, yes and no. Yes – in the sense that this certainly seems to protect you from the ravages of amyloid plaque buildup. No – because there ARE things you can do to build up your cognitive reserve in later life, they just have nothing to do with what you do for a living and how good you are at it.

    DIET

    Diet may well influence the rate at which Alzheimer’s disease progresses, probably due to the negative influence of a modern Western diet on the brain’s blood vessels. In a recent article, prominent Alzheimer’s researcher Dr Scarmeas describes a study providing evidence that a traditional Meditteranean diet – characterised by lots of fish, unsaturated fats, vegetables, fruit and cereals – seems to protect against the development of Alzheimer’s disease. In a different study which used a mouse model of the disease it was suggested that coffee may help to slow the progress of Alzheimer’s disease by preventing build up of amyloid plaques.

    LANGUAGES

    A recent NYT article describes research into bilingual people who seem to develop the symptoms of Alzheimer’s on average 5 or 6 years later than those who speak only one language. This suggests that the cognitive demands of regularly switching between two or more languages may delay the onset of Alzheimer’s. Although this has yet to be proven, it is thought that speaking two languages may increase cognitive reserve by improving the function of prefrontal brain areas involved in executive control. Executive control involves mental functions like holding relevant information in working memory whilst ignoring irrelevant distractions, as well as other faculties relating to problem solving, planning and decision making.

    FUTURE TREATMENTS

    In the not-so-distant future it may be possible to replace brain cells damaged by the abberent metabolic processes of Alzheimer’s with fresh ones created from a person’s own skin cells. Other recent research has suggested that the amyloid plaques might cause memory problems by attaching to certain important neurotransmitters, and that drugs preventing this from happening may help to ease the symptoms of memory loss associated with Alzheimer’s disease. In light of the importance of early intervention to catch the disease before it causes too much damage new scanning techniques have already been developed to spot the disease before it induces any clinical deficits.

    A variety of lifestyle changes can build up cognitive reserve, helping to keep dementia at bay and improving quality of life to boot!

    In addition to these fortnightly brainposts you can also get DrJack’s daily #braintweet by following him on twitter.

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  • Dr Jack Double Whammy on Mon 4th July

    On Monday 4th July Dr Jack will be back on This Morning between 10.30-12.30 (ITV1). If you’d like to recap on the memory tricks you can see his first contribution all over again by clicking here.

    Later on that evening at 20.00 the first episode of his new series “The Tech Show” is launched (Discovery Science), followed immediately afterwards by the second episode at 20.30.

    Dr Jack's 2nd appearance on THIS MORNING: Mon 4th July

    Monday’s item on This Morning will be all about decisions. Whether deciding what to have for lunch, what route to take to reach a destination, whether or not to resist the temptation to make that impulse purchase or the best way to avoid getting in trouble – all of us have to make literally hundreds of decisions every day.

    The problem is that our brains, having remained pretty much unchanged since the Stone Age, rarely make decisions that maximise long term returns. The default setting of the brain tends towards choosing quickly, based on gut feelings, about the currently available options. People often can’t be bothered to put the effort in to figure out what’s really the best choice in the long run. So we just go on our impulses and make up explanations that fit with the choice after the decision has been made.

    When hungry, stressed, excited or in a rush, people rely even more on hot, emotional, short-sighted desires to immediately get what we want. This is the state that supermarkets and other shops want you to be in so that you’re tempted by the seemingly great deals. Dr Jack will describe why the only way to make good decisions is to do it in a cold, far-sighted, rational state of mind where we can calmly consider only best option in light of what we really need in the long run. He will suggest a variety of strategies people can use to get themselves in this state of mind in order to SAVE YOU MONEY!

    Dr Jack's also on Discovery Science at 20.00, Mon 4th July

    Just a few hours later, at 20.00 over on Discovery Science, Dr Jack showcases some of the most fascinating, amazing and sometimes bizarre new inventions, discoveries and breakthroughs from the world of science, technology and engineering enterprise. “The Tech Show” will run as pairs of back-to-back half hour episodes at 20.00, and then again at 01.00, 09.00, 12.00, 15.00… so it will fit into your schedule no matter how busy you are. As you are flicking through the channels on your satellite or cable box over the summer, don’t forget to have a little scan through the Discovery channels to see if you can catch an episode. The tone of this particular series was specifically directed to be upbeat, friendly and lighthearted, so viewers should find it stimulating without becoming overwhelmed by too much boring “techie” information. This is a flagship show for Discovery and they have high hopes for it so fingers crossed many people will get stuck in and hopefully watch the whole series. That way there’s a chance that Dr Jack will be back on Discovery for another series in the not so distant future.

    If you’d like to follow Dr Jack’s daily #braintweets please click here.

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