Chapter 8 Flashcards Preview

Psychology Test 3 > Chapter 8 > Flashcards

Flashcards in Chapter 8 Deck (134)
Loading flashcards...
1

Define human development:

scientific study of changes as people age from conception to death

2

Define nature (in human development):

in hearted characteristics (genes)

3

Define nurture (in human development):

environment

4

What does behavioral genetics focus on?

Nature vs. nurture interaction

5

Define longtitudial research:

same participants are studied over a long period of time to note age-related changes

6

What is cross-sectional research?

different age groups of participants are studied at one particular point in time to note age-related differences

7

What is cross-sequential research?

different age groups of participants are studied over a limited period of time to note both changes and differences

8

what 2 studies were done to study nature-nurture interaction?

adoption and twin studies

9

What did adoption studies do?

an adopted child's characteristics are compared to those of the biological and the adoptive family

10

What did twin studies do?

identical twins are compared in the search for genetic and environmental effects

11

What is the prenatal period?

development period before birth

12

What is another name for prenatal period?

gestation period

13

What is conception?

when sperm penetrates ovium

14

Define gamete:

sex cells

15

Define zygote:

the single cell formed from fertilization

16

Define embryo:

when the baby is from 2 weeks to 8 weeks old and is firmly attached to the uterus

17

Define fetus:

the form of the baby from 8 weeks to birth.
tremendous growth occurs during this stage

18

define placenta:

specialized organ that provides nourishment and filters away the developing baby's waste products

19

Define teratogens:

any substance that can cause birth defects

20

What are examples of teratogenes:

drugs
chemicals
viruses

21

How long does the embryonic stage last?

it last from eek 2 to week 8

22

Why is organogenesis used to describe the embryonic stage?

during this time all major organs begin to form

23

define critical period (pertaining to the embryonic period):

time during which some environmental influences can have devastating effects on the infant

24

How long does the fetal stage last?

from week 8 to birth

25

Organs have began to do what by the fetal stage?

beginning to form

26

What does the fetal stage consist of?

growth and maturation

27

What is the quickening?

when mom can feel the fetus move

28

when does the quickening occur?

at about 16 weeks

29

What is viability?

when fetus has a 50/50 chance of survival on its own

30

When does viability happen?

at about 24 weeks