P105 - lecture 2 notes

P105 - lecture 2 notes - 1 P105 Abnormal Psychology Lecture...

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1 P105 – Abnormal Psychology – Lecture 2 January 15, 2008 Multidimensional Models of Abnormal Behavior Biological Factors (genetics, physiology, neurobiology) Behavioral Factors Emotional Influences Social Factors Developmental Factors Psychopathology: Neuroscience Perspective The Nervous System o Neurotransmitters Norepinephrine Serotonin Depression believed to be caused by not having high enough serotonin levels (also epinephrine) Tryptophan (found in food) needed for serotonin production o Bananas o Milk (glass of milk before bed) Low levels of serotonin o Less inhibition, more aggressive o When tryptophan is associated with serotonin levels, makes things fight for their food (link to environment and neurophysiology) Dopamine Schizophrenia o Nicotene causes release of dopamine (~95% of schizos are smokers) Gamma Aminobutyric Acid [GABA] Anxiety – low GABA o Synapse o Receptor site Medications o Antagonist – Decreases levels o Agonist – Increases levels o Ex: Prozac – Reuptake inhibitor (stimulates post-synaptic neuron more) o Ex: o Ex: Amphetamine – causes vesicles to release more (crash comes from later when you don’t have enough) ! – Become vaguely familiar with main brain structures ! – BrainVoyager Brain Tutor program (google/check email) Brain: Forebrain: Cerebral Cortex o Frontal Executive functions In the front o Temporal Language; auditory
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2 o Parietal Movement, senses o Occipital Sight Located in the rear o Cerebellum Midbrain/Limbic: o Amygdala Emotion center Thirst, libido, etc. o
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This note was uploaded on 04/20/2008 for the course P 105 taught by Professor Jamner during the Winter '08 term at UC Irvine.

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P105 - lecture 2 notes - 1 P105 Abnormal Psychology Lecture...

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