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Mine #2
Question | Answer |
---|---|
behavioral genetics | studies the effects of heredity on behavior. Researches the genetic basis of some personality traits and psychology difficulties. |
psychological disorders related to genetic factors | schizophrenia, major depression, alcoholism, autism, ADHD. |
infertility | inability to conceive after attempting for 12 to 18 months. |
what % of couples suffer infertility? | app. 15% |
alternative approaches to conception | artificial insemination, In Vitro, and surrogate mothers. |
Miscarriage | spontaneous abortion that occurs before the baby is able to survive outside of the womb. |
what percentage of mothers have a miscarriage? | app. 20% |
abortion | a mother chooses to terminate the pregnacy |
neurogenisis | the process of how neurons are made. |
infants are born with how many neurons? | between 100 and 200 billion. |
synaptic pruning | as the brain specializes, neurons that do not connect become unnecessary and die. |
At birth the weight of a baby's brain is | about 25% of adult weight. |
Brain growth is primarily the result of | axons and dendrites growing to connect neurons and myelin sheath increases. |
Is better developed at birth. | The lower brain. brain stem and limbic system, primarily responsible for controlling basic functions and vital organs. |