policy makers on the brain

moving on from bowlby

Findings from neurobiology research are presented as ‘medical evidence’ by politicians Graham Allen and Iain Duncan Smith to support their proposals for early intervention programmes for children from deprived backgrounds. Before looking in detail at what they have to say about brain development, it might be helpful if I summarise my understanding of the process. It squares with the account cited by Munro here [1]; so I’m assuming I’m on the right track.

Brain development

Brain development is an outcome of the interaction between four factors [2];

• genetic
• epigenetic (the impact of the environment on gene expression)
• environmental (from nutrition to the behaviour of others)
• behavioural (the impact of the child’s own behaviour)

The relative impact of the different factors varies between individuals and at different stages of development.

The number, formation and location of brain cells (neurons) is almost entirely genetically determined, although…

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