PSYC 2000 Chapter : Psych Exam 3 Study Guide
Document Summary
Sleep deprivation- any significant loss of sleep resulting in problems in concentration, irritability, depressed immune system, greater vulnerability, and eventually fatigue and subsequent death: fatal familial insomnia- rare genetic sleep disorder in which a patient cannot. Ritalin, etc. : cocaine- increases dopamine causes feeling of euphoria; from coca plant. Narcotics- drugs derived from opium and suppress pain: opium, heroin and morphine- made from opium poppy; mimic endorphins. Genetics: dna- contains genetic material of organism, gene- section of dna having same arrangement of chem. Elements: dominant- actively controls expression of a trait, recessive- only influences expression of trait when paired with identical gene, chromosome- tightly wound strand of genetic material or dna. Infant uses senses and motor abilities to interact with objects in environment: object permanence- knowledge that object exists even when not in sight, centration- focus on only one feature of an object while ignoring, preoperational stage- 2-6/7 yrs.
