PSY2071 Lecture Notes - Lecture 6: Central Nervous System, Intellectual Disability, Williams Syndrome

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16 Jun 2018

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week 6 part 1

Gene behaviour associations in development

Neuro-developmental Disorders

Neurodevelopmental disorders arise from abnormalities in growth and development of:

-The Brain

-The Central Nervous System

These abnormalities give rise to disordered cognitive function, such as:

-emotion regulation

-learning ability

-self-control and memory

Typical Brain development:

-Our genes orchestrate generating new brain cells

-These cells then migrate to the right spots

-And then forming connections between the neurones

-Unnecessary connections get pruned

Once the brain is fully formed:

-Our genes are responsible for producing proteins in the brain!

(such as neurotransmitters & their receptors)

-Our genes also maintain the health of the cells in the brain

Neuro-developmental disorders can be a result of:

-Intrauterine environment

-extrauterine environment

-Genetics:

1. Chromosomal Disorders

2. Single Gene Disorders

3. Multiple gene disorders

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