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PSYB32 Ch 16

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Konstantine Zakzanis

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PSYB32 Ch 16 Aging and Psychological DisordersAgeism discrimination against any person young or old based on chronological ageAge effects the consequences of being a given chronological age Cohort effects the consequences of having been born in a given yr and having grown up during a particular time period w its own unique pressures problems challenges and opportunities Time of measurement effects confounds that arise bc eventsan exact point in time can have a specific effect on a variable being studied over time eg time of measurement could affect the results of studies assessing PTSD in Holocaust survivors if one of the assessments occurs shortly after 911Crosssectional studies the investigator compares diff age groupsthe same moment in time on the variable of interest These studies dont examine the same ppl over time consequently they allow us to make statements only about age effects in a particular studyexperiment not about age changes over timeLongitudinal studies the research selects one cohort For example the graduating class of 2002 and periodically retests it using the same measure over a number of yrsthis design allows researchers to trace individual patterns of consistency or change over timecohort effectsand to analyze how bhvr in early life relates to bhvr in old age Since each cohort is unique conclusions drawn f longitudinal studies are restricted to the cohort chosen Selective mortality a problem w longitudinal studies when participants drop out as the studies proceednonrepresentative group of ppl who are usually healthier than the general popnOne simple measure used to detect dementia and Alzheimers disease is the clock drawing subtest of the Clock Test Dementia senility a general descriptive term for gradual decay of intellectual abilities to the point that social and occupational functions are impairedMemory problems may leave tasks unfinished poor hygiene and appearance bc the person may have forgotten how to dress themselves become lost trouble w recognizing surroundings faulty judgment difficultly in comprehending and making plans or decisionsLose control in impulses inability to deal w abstract ideas disturbances in emotion depression flatness of affect sporadic emotional outburstLanguage disturbances vague patterns of speech Difficulty w motor activities teethbrushing Alzheimers disease is the most common type of dementia The brain tissue deteriorates irreversibly and death happen 1012 yrs after the onset of symptoms women tend to live longer than men w this mental illness Symptomsfirst are difficulty in concentration and memory for new material and may appear absentminded and irritable Progresses to blaming others for personal failings and has delusions of being persecuted The atrophy wasting away of the cerebral cortex hippocampus and frontal temporal and parietal lobes
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