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News and Views: The Festival of Neuroscience – A 5 minute guide.

BNA

 

Between 7th-10th April 2013, neuroscientists from across the globe met in London for the British Neuroscience Association’s ‘Festival of Neuroscience’. Here is my whistle-stop tour of the main talking points.

 

 

Drugs, neuroscience and society

Instigated by the divisive Professor David Nutt, delegates heard about research into cognitive enhancing drugs. Professor Judy Illes suggested these drugs should be labelled ‘neuro-enablers’ not ‘neuro-enhancers’ to focus on their role in improving cognition in those affected by diseases such as Down’s syndrome. Topics debated included: Should we criminalise use in healthy people?; Should we allow their use in exams, job interviews etc.?; Should we allow them only if declaration of use were compulsory?; Would this lead to two-tiered exams – users and non-users?

 

Dr Paul Howard-Jones spoke of ‘neuromyths’ in education. He highlighted the oft-cited theory that children all have their own learning style (visual, kinaesthetic, auditory etc.) as having no scientific basis. ‘Neuromyths’ are routine in the field of education, he said.

 

Professor Emeritus Nicholas Mackintosh described findings in the Royal Society’s report into neuroscience and the law. Bottom-line is that there is very little evidence thus far to suggest one can use brain scans successfully in a court of law. Only once has neuroscience been used successfully in court.

 

Pain, placebo and consciousness

Professor Irene Tracey gave a fantastic plenary talk on imaging pain in the brain. She gave wonderful insights into how the placebo effect is very real and can be seen in the brain. A placebo can hijack the same systems of the brain that (some) painkillers act on. This could have strong implications for the experimental painkiller vs. placebo set-up of randomised controlled trials.

 

Professor Ed Bullmore spoke about the connectivity of the brain. He described the intricate connections of the brain and how some regions are highly connected whilst others have only sparse connections. He noted that in a coma, highly connected regions lose connectivity and sparsely connected regions gain connectivity. This goes nicely with the work by Giulio Tononi into theories of consciousness.

 

Professor Yves Agid entertained with his animated talk on subconsciousness. He argued that the basal ganglia are crucial for subconscious behaviours. He showed that the basal ganglia become dysfunctional in diseases such as Tourette’s syndrome and Parkinson’s disease – both of which involve defective subconsciousness.

 

Great science

Professor David Attwell told a wonderful story about glia, the support cells of the brain. Glia are often forgotten about when talking about functions of the brain, but Prof Attwell described fantastic research condemning this. Glia are involved in brain activity, both in health and disease. Glia are involved in regulating the speed of nerve cell communication. Glia may also be involved in learning and memory.

 

Professor Tim Bliss, one of the pioneers of research into memory formation, spoke about his seminal discovery of long-term potentiation. He recalled the story behind how he and his colleague Terje Lømo discovered one of the mechanisms that mammals use to store long-term memories. He even owned up to falling asleep during the published night-time experiment and failing to jot down the data for a short period! #overlyhonestmethods

 

Professor Anders Björklund gave a public lecture on his life’s work into stem cell therapy to treat Parkinson’s disease. He showed some wonderful results that have really made a difference to patients’ lives. This therapy shows good improvement in ~40% of cases. Work continues into why it does not work in all cases.

 

To follow what else was said during the conference, see #BNAneurofest.

 

By Oliver Freeman @ojfreeman

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2 Responses to News and Views: The Festival of Neuroscience – A 5 minute guide.

  1. Pingback: The Link Between Neuroscience and Addiction

  2. Re Dr Howard Jones’ synopsis on this page – do these neuromyths compromise the theories of Howard Gardner on dimensions of IQ and learning?

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