Child and Adolescent Psychiatry Flashcards
By Age 2, the Brain is what percentage adult weight?
75%
By Age 6, the Brain is what percentage adult weight?
95%
By Age 7, the Brain is what percentage adult weight?
100%
Left Hemisphere experiences a growth spurt between what ages?
3-6
Left Hemisphere function?
Language Skills
Right Hemisphere functions?
Spatial Skills
Recognition of Shapes and Patterns
The Corpus Callosum grows between what ages?
3-6
Which part of brain controls development of fine and gross motor through play?
Corpus Callosum
DZ Twins share how much genes?
50%
MZ Twins share how much genes?
100%
Which childhood behaviour conditions are highly genetic?
ADHD and Autism
What is used to identify genetic risk factors for psychiatric disorders?
Genome Wide Association Studies
Fetal Alcohol Syndrome affects what part of brain?
Cerebellum
Prolonged Stress causes prolonged production of which hormone?
Cortisol
Early life stress influences function of what circuit in brain?
Limbic
What fires when associate an action with subsequent reward in operant conditioning?
Dopamine Neurons
Early Adversity in childhood has what four functions?
Decreases DA Response
Decreased Reward Sensitivity
Increased Behaviour to Elicit Reward
Increased Tolerance and Behaviour
What happens to the social brain at 6 weeks?
sensorimotor control emerging
What happens to the social brain at 24 months:
secondary representation: able to recognise and label emotions
What happens to the social brain at 3-4 years old?
Metarepresentation
What medication is useful to treating anxiety around school?
Serotonin Reuptake inhibitors eg Fluoxetine
When does Autism begin?
Below Years Old
Male/Female Ratio in Autism?
3:1
