The molecular ion for compounds containing only C, H, and O always has an evenmass-to-charge value. Why? What can you say about the mass-to-charge ratio of ionsthat arise from fragmentation of one bond in the molecular ion? from fragmentation oftwo bonds in the molecular ion?
10/7/14 Alcoholism and Korsakoff’s (can’t learn anything new; remembers past) Dementia (decline in cognitive processes) Consuming alcohol for a long period of time results in vitamin deficiency (thiamine) - especially temporal and hippocampus Confabulations: attempts to fill in a memory with plausible situations/hiding Alzheimer’s Disease Symptoms o Minor forgetfulness to complete memory loss; slowly, gradually loses memory-5 years loses older memory; loses early memories first; loses older memories later o Gradual loss of other cognitive functions; such as math, language, reasoning o Mood and perceptual disturbances; experiences hallucinations o Progression 10-15 years Causes of Alzheimer’s Disease Most cases linked to genes o 5-10% are heritable (familial) o 50% (chromosome 19) 40% idiopathic (non-genetic) Brain pathology 10/7/14 o Amyloid plagues: interfering between cells; extracellular debris o Fiber tangles: intercellular debris in neurons o Brain cell loss (acetylcholine) Treatment o Boost acetylcholine o Controversy treatment What is Intelligence Operational perspective Aptitude or achievement tests (ACT, SAT, or WAIS) No more accurate than o High school or college GPA o Income Conceptual perspective o Inferred processes that explain different degrees of adaptive success in human/animal behavior Theories of Intel
