2 Human Sexuality- Brain Imaging in Sex Research

2 Human Sexuality- Brain Imaging in Sex Research - Sex on...

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Saggital: slicing brain through middle Coronal: crown Dorsal: brain down back to feet Ventral: front down back to feet Anterior or rostal: toward from of brain Posterior: toward back or bottom Latteral: toward outside Medial: middle Known for controlling executive function (making decisions, taking exams, higher level thinking Frontal lobe: Cortex or neocortex (parts of brain you can see) Subcortical: middle Surface: Touches all other lobes Integration center (integrates senses) Parietal lobe: Role in vision Occipital lobe: Involved in hearing and memory Temporal lobe: Brain Lobes: Subcortical parts of brain Medial Brain: Known for role in emotional response Very involved in motivation Cingulate gyrus Fight of flight Emotional response Amygdala Components Limbic System: Dopamine receptors and produce a lot of dopamine Most is subcortical Includes frontal lobe because someone has to make the decision (controls the desire) Basal Ganglia Old brain: evolutionary been there forever Everything else is very similar to animals Cortex makes us human (thinking, processing, language) Old Brain vs. new brain Suffers from internal ailment Emit radio frequency pulse that creates a magnetic field that run down center of tube- 60 mH H atoms align toward film and spin toward new axis When off, they return to their original spins and computer recognizes what they are by the realignment time Dense tissue takes longer to realign Takes advantage of the magnetic properties of the hydrogen atoms in your body MOST SAFE imaging technique you can use Danger- attracts metal MRI As neurons in the brain are used in a task, that area of the brain needs to be replenished with blood
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This note was uploaded on 03/01/2010 for the course PSY 341 K 43907 taught by Professor Dr.meston during the Spring '10 term at University of Texas-Tyler.

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2 Human Sexuality- Brain Imaging in Sex Research - Sex on...

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