Chapter 9 Flashcards
What is continuity and change?
Continuity: How people remain stable and consistent, Change: How people change over lifespan.
What percent of our brain is developed when we are born?
25% of our brain is developed when we are born, and 75% will be developed in nurturing environments.
John Locke
Came up with the idea that when human beings are born, we are blank slates or a blank sheet of paper.
Steven Pinker
He says we are not blank slates,
What percent of personality is explained by genetics?
40% of varience in personality is explained by genetics. The other 60% percent is unknown. Ex. A kid that was raised in a foster house can become an kind adult or a mean person.
How’s identical twins separated at birth personality?
Very Similar. Biological siblings tend to have more similar personalities thatn adoptive siblings
Parents have ______ to do on how their kids turnout
little. Ex: Laman and Lemuel
Prenatal Development Stages
1.Germinal Stage 2.Embrionic Stage 3. Fetal Stage
Zygote
when a sperm cell from a male fertilizes an egg cell from a female Sperm + Egg
23 chromosomes each
Whats determines gender?
XX Female XY Male chromosomes
Germinal Stage
(2 weeks ) Zygote moves to-Fallopian Tube- ataches to the Uterus
50% chance of success
Embrionic Stage
(2-8 weeks) Arms, legs, beating heart
Secretion of masculine or feminine hormones. Teratogens can make most damage at this stage. Woman realizes is pregnat usually between 6-8 weeks. Alcohol is very dangerous but some studies confirmed a little bit is not dangerous but nobody agrees on what is a little bit.
Fetal Stage
(8 weeks-birth) Brain development and neurological development by myelination, axons and dentrites. Skeleton and muscles develop
Teratogens
Harmful substance for babies. There’s a relation with Schizophrenia & Anti-Social Personality Disorder. Ex. Eating junk is a teratogen and influences child preferences after birth. Stress is a teratogen
Fetal Alcohol Syndrome (FAS)
Mothers that drank alcohol migh cause the babie this illnes which causes brain abnormalities and cognitive deficits
Tobacco/Nicotine as teratogen
Causes perceptual and attentional problems. Low birth weight and SIDS (Sudden Infant Death Syndrom) around 3-5 months of life
Womb
A very good source of information. Exmaples: Babies are able to recognize mom’s voice and relaxes them. It is good to read books to them. We don’t have to be quiet, they are used to noise and movement
Baby Reflexes: Withdraw/Pain
Ababy will pull his limb away from a source of pain
Baby Reflexes: Rooting
Touching a baby’s check causes him to turn toward the touch, open his mouth and search for the nipple
Baby Reflexes: Babinski
Stroking the sole of the baby’s foot will cause his big toe to extend up while the other toes stretch down and fan out
Baby Reflexes: Moro/Startle
A baby will extend his arms when startled by a loud noise or the sensation of falling, even though he has not yet learned these fears.
Baby Reflexes: Grasping
A baby will hold tightly onto a finger or anything else placed in his hands
Baby Reflexes: Stepping
Holding a baby up with his feet touching a flat surface will cause him to move his legs in a walking motion
Baby Reflexes: Crying
A baby cries to alert parents that he is hungry. Since parents find this sound unpleasant, the baby is fed