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63 Cards in this Set
- Front
- Back
changes in the DSM |
- four previous diagnoses have been combined into one disorder: autism spectrum disorder |
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incidence |
- must appear early in development |
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social deficits |
- failure to have social interactions - cannot keep a normal conversation going |
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deficits in non-verbal communication |
- doesn't make eye contact, abnormal body language - lack of facial expression - might not get comfort being held by parents |
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more deficits |
- difficulty adjusting behaviour - deficit in understanding relationships |
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theory of mind: Sally Anne Task |
- being able to perceive the world (situation) for another persons perspective |
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restricted, repetitive patterns of behaviour |
1) repetitive movements 2) insistence on sameness 3) preoccupation with self - hypo or hyperactivity to sensory output |
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savants |
"islands of ability" cant do basic things but have areas where they excel |
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temple grandin |
-She designed a contraption to givea certain pressure of a hug –many people with autism do not like physical contact or huge.
-She had a strong need for contactbut the pressure was too much so that is why she designed this. |
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potential causes |
1) detached parenting - refrigerator mom 2) heredity - higher in males than females 3) concordance rates 4) mutation of gene |
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brain pathology |
- at birth ADS children have smaller brains than typical children - by adolescence the brain is only a little bigger than typical |
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structural differences in the brain |
1) exceptional talents 2) hyper connectivity within brain region 3) under connectivity between brain regions |
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under connectivity |
do things that do not match what is going on or should have happened |
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brain pathology |
study 1 - eye movements study 2 - face recognition study 3 - case of D.D |
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STUDY 1 |
presented the group with faces and used an eye tracker to see where people ended up looking - the ppl with autism avoided the eyes and mouth - ppl w/o autism focused on mouth and eyes - showed the ppl faces with emotion and asked what they were feeling |
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STUDY 2 |
when looking at the faces, FG plays a role in recognizing faces - the FFA does not become active in ASD patient - the areas seem to be random - there is a pattern with the control group |
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STUDY 3 |
D.D - digimon destined - knew all the digimon characters but not the people around him, including family - when put under the fMRI, not a lot of activity with people, but active with digimon characters |
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BRAIN |
. |
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encapsulated tumor |
- tumor is self contained - tends to be in discrete locations - benign example: memningiomas |
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infiltrating |
- more wide spread - malignant - glioma |
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cause of stroke |
1) hemorrhage 2) ischemia |
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hemorrhage |
- cause is from the bursting of an aneurysm - walls of blood vessels lose elasticity and start ballooning - can be congenital or environmental |
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thrombosis |
blood clot in the blood vessel |
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embolism |
clotted blood cells |
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arteriosclerosis |
thickening of the walls of arteries |
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cell death by ischemia |
a form of accidental, or passive cell death that is often considered a lethal cell injury. The process is characterized by mitochondrial swelling, cytoplasm vacuolization, and swelling of the nucleus and cytoplasm.
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closed head injuries |
concussion and **** |
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side of head that is injured |
same side different side |
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contre coup |
side of damage is opposite to site of impact |
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coup |
side of damage corresponds to site of impact |
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contusion |
bruise - arise when brain strikes skull |
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concussion |
no apparent bruising |
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hematomas |
bleeding - swelling containing blood |
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concussion definition |
loss of consciousness and no apparent damage - multiple concussions can lead to dementia - eg- boxers |
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taenia solium |
tape worm found in uncooked pork |
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trasmission |
- ingestion of larva - worm is released and lives in intestine - can release eggs that travel in blood stream to eyes, muscle and brain |
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eggs |
food handled by carrier with unwashed hands |
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effects in brain |
form a calcified nodule - forms a layer of calcium and creates boundaries between worm and tissue |
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what happens when worm dies |
major problem - worm enters the nodule and leads to inflammation which can cause seizures |
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treatment |
drug to kill worm AND help with inflammation |
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alzheimers |
most common form of dementia among elderly |
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early symptoms |
1) memory: loss of memory for people youve known your whole life 2) disorientation: everything looks foreign to you 3) repetitive speech: repeat the same phrase over and over again |
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middle stage |
1) wandering: confused on why they are where they are 2) changes in their personality: they may rage unexpectedly 3) problems with self care: things like basic grooming and washing |
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final stage |
1) completely dependent on care giver 2) inability to control bladder or bowel movements 3) absence of speech 4) no appetite |
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brain pathology |
- shrinkage of brain - widening of the sulci - enlarged ventricles |
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neurofibrillary tangles |
-degeneration of microtubles allows for rapid transport of transmitters across the neuron |
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tau protein |
- mutation in the tau protein which is what holds the micro tubles together and begin to tangle |
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beta-amyloid plaques |
primarily in inferior temporal (FFA) , posterior parietal (tells us where our body is in relation to other objects) |
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genes |
early onset - start showing symptoms at 40 instead of senior years familial onset - form that runs in families late onset - in the senior years |
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environment |
socio-economic status aluminum |
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cholinergic agonists |
- used to treat the memory impairment - drugs that increase how long the acetylcholine can act on post synaptic receptors |
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epilepsy |
- siezures - disturbances of conciousness - youre there but not 100% |
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partial seizures: |
1) generalized 2) partial |
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generalized |
whole brain |
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partial |
parts of brain |
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simple partial |
no loss/change of conciousness |
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complex partial |
often have loss/change of conciousness |
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simple partial seizures |
sensory - tingling auditory - simple sounds visual - hallucinations physical - nausea |
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complex partial seizures |
interferes with higher functions auras |
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catatonia |
body is frozen |
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grand mal (tonic clonic) |
tonic phase - body goes rigid followed by tremors then post seizure depression |
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petit mal (abscence) |
often in childhood - blank look in eyes, many throughout the day |
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treatments |
benzos - to help GABA receptors surgery anticonvulsents - help seizures |