Tamping iron went into gages face under his eye and

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Tamping iron went into Gage’s face under his eye and straight out of the top of his head Tamping iron landed a few feet away w/ a large piece of his brain on it Incident taught us a lot about frontal lobe due to changes in Gage’s personality o (1) Phineas Gage never lost consciousness during the incident He vomited, and another piece of his brain fell out – doctor then believed his story o (2) Phineas Gage was a calm, organized, planful, and tactful person before injury He became disorganized and impulsive, couldn’t do tasks properly, and made off-colored jokes These broad personality traits are associated w/ the frontal lobe Frontal lobe – associated w/ higher level planning, inhibition, conscientiousness o Researchers have developed certain tasks to see the specific parts of the frontal lobe that are relevant for different psychological processes Stroop test requires you to inhibit automatic reading in order to name the color of the ink of the word correctly o How good are you at stopping something that is really automatic to do something else – frontal lobe o People whose frontal lobe are still developing would do worse on this test o People tend to improve on the Stroop test into adolescence – older person would do better Children who are raised multi-lingual tend to do better on the Stroop test o They have to do this inhibition and switching all the time
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o They ignore sounds and words relevant to one language to focus on those relevant to another language Brain development continues through childhood, through adolescence, and into your twenties o Major area in the brain that is still developing is frontal lobe Conscientiousness – personality trait associated w/ frontal cortex o Involves things like inhibiting impulses, thinking before you act, and planning o Teenage years (13-14) is lowest you will ever be for conscientiousness and continues to increase Vision also involves many different parts of the brain o Light enters the eyes, goes down optic nerve, and ends up getting processed in occipital lobe o One reason you might be blind is damage to occipital lobe Blind sight – people appear to be blind but are able to process information at some level Diagnose this by asking person to point at something, and people are often able to do it They have no conscious experience of being able to see but they are processing info
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