Lecture Chp 9-11 Flashcards
What tells the brain to grow in a baby?
Sensory input, touch releases growth hormone ODC
What effects does toxic stress have on children?
High levels of cortisol, stress shrinks brain networks, wires for danger.
Chronic stress in childhood =
Under-developed frontal lobe, lack of impulse control.
What is psychosocial dwarfism?
Growth stunted by neglect.
What are the 3 biological causes of autism?
Genes, prenatal development, brain abnormalites
What are the genetic causes of autism?
Older father, grandfather.
What are the prenatal development causes of autism?
Lack of iron and folic acid, exposure to toxins, disease (measles).
What are the brain abnormalities causes of autism?
Small brain, enlarged ventricles. Lacking FFA and STN, mirror neurons, oxytocin (bonding hormone).
What is the theory of mind?
Understanding that other people have a different mind, develops 3-5 yrs.
What is CTE?
Chronic Traumatic Encphalopathy, repeated concussions.
What is the Cerebral Lymphatic System?
Washes brain during sleep, CTE and Alzheimer’s patients CLS not working, causing build up of plaques and tangles.
What does MS scar tissue result in?
Sclerotic lesions
What causes Alzheimer’s?
Genetics, brain decay: hippocampus, ACH, plaques and tangles.
What neurotransmitter is especially important for memory?
Glutamate
Where/what is working memory?
Frontal lobe, short-term.
