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Psych lecture Day 11.docx

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Joe Kim

Psych Lecture Day 11: Psychopathology - What is a mental disorder o In archaeology, found that people made holes in individual’s head because they thought spirit could be removed o What is abnormal behaviour?  People have a hard time defining it, you know it when you see  Against/ out of norms  Statistically aberrant types of behaviour  Things that are unsafe  Tricky to define mental disorders  Social contracts are involved in all human affairs, including our collective perceptions of our own mind  Psychopathologies, from hysteria to depression, are not discovered, but ‘made’. They are decided upon. o Context changes with time (ex. dyslexia was not a biggy long time ago)  DSM is gold standard for diagnosis for mental disorders  Things come in and out of fashion – new editions has things that suddenly become a disorder, things that are no longer a disorder  Rate of diagnosis can increase and effected by where you live in the world o Are these disorders?  Synesthesia:  We have some natural associations: red A, Black X, Blue B, White O --- even children who don’t read make same association between letter and color  1/5000 synesthesia of colour graphing synesthesia – naturally associate colours with letters  Amanda = tastes of raw banana, Molly= taste of green leafy vegetables  Defining traits of Synaesthesia o Involuntary and automatic o Consistent o Highly memorable – usually have better than average memory o Laden with affect (can be emotional ) – someone might really like person named Amanda but because she experiences bad taste – she does not like seeing/hearing about Amanda o Spatially extended – see it in front of them, not in their mind o In infants – many more neurons then exist in adult brain, but usually pruning,  Infants practice synesthesia  In adults with synesthesia, connections that should have been pruned away remain intact  Cross-Talk-Pruning Mechanism?  A letter activates letter sensing neurons  In synesthesia – the activity of letter sensing neurons may cross activate a colour sensing neuron  Time-Space Synesthesia – have a rolling calendar in front of them where they can ‘see’ the date  Is it a mental disorder?  It fits statistic criteria for an unusual behaviour  But people with synesthesia do not think of this as
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