Psyc4130 1nd Edition Lecture 20 Outline of Last Lecture I Pheromonal Phenom in Rodents II Pheromones in Humans a McClintock Effect III Human Sexual Attraction Pheromones a Androstadienone b Estratetraene IV Dimorphisms a Aromarase b oSDN c Sexual orientation and SDN V What Causes Homosexuality Outline of Current Lecture I Helen Fisher Ted Talk II VTA Current Lecture Helen fisher the brain is love TED TALK can be found on youtube extra credit on test VTA ventral tegmental area People happily loved loving find activity here o Brains reward system o Below your emotions o Part of reptilian core of brain wanting craving reward focus motivation o Same part gets active from cocaine high These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute o People in MRI scanner after being dumped o Found activity in 3 brains regions VTA same region activated from intense romantic love you love them harder o Gets more active when you want what you cant have o Core of nucleus accumbens area associated w calculating gains and loses what went wrong what have I lost To take enormous risks o Region associated w deep attachment of other people anterior cygulate cortex Feel intense energy focus and willingness to risk it all to gain life s prize It is an addiction all characteristics of addition want more more withdrawal relapse Animals love but everywhere in wild animals have favoritism mate choice People in MRI scanner after being in love for 25 years o Same area w deep romantic love is activated even 25 years later Why do you fall in love with people you fall in love with Maybe biology pulls you towards some people over others To what degree do you develop the diff ratios of the 4 chemicals in brain dopamine ach serotonin ne that associate w romantic love falling for someone biological Love is in us deeply embedded in the brain Classnotes VTA dopaminergic neurons Main target in VTA is nucleus accumbens Love as an addiction tolerance and withdrawal 2 defining characteristics of substance dependency o Distortion of reality o Risks o Withdrawal o Tolerance o Loss of identity o Relapse In men vasopressin linked to orgasm oxytocin is equivalent in women both have something to do w sense of bonding
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