Piaget and the Sensorimotor Stage
Piaget believed that we are continuously trying to maintain _______, or a ______, in what we see and what we know.
cognitive equilibrium or a balance.
After conception, most cells of the body are created by a process called ________
mitosis
The germinal period (about 7 days in length) lasts from conception to implantation of the fertilized egg in the lining of the uterus. True or False
False (14 days).
From the_______week until birth, the organism is referred to as a fetus. During this stage, the major structures are continuing to develop.
The average length at one year is about 29.5 inches and at two years it is around 34.4 inches. True or False
True
__________, which is expanding the framework of knowledge to accommodate the new situation and thus learning a new word to more accurately name the animal
Accommodation
Of the ____ pairs of chromosomes created at conception
23
•During this time, the organism begins cell division through mitosis. After five days of mitosis there are 100 cells, which is now called a blastocyst. True or False
True
By the _____ month, the fetus has all its body parts including external genitalia.
Third
The average new born in the U.S. weighs about ____ pounds.
7.5
When faced with something new, a child may demonstrate ________, which is fitting the new information into an existing schema, such as calling all animals with four legs "doggies" because he or she knows the word doggie.
Assimilation
If we receive a different version of the gene from each parent, that is referred to as _________.
heterozygous
The blastocyst consists of both an inner and outer group of cells. True or False
True
•The fetus is about ______ inches long and weighs about 28 grams
3
We are born with most of the brain cells that we will ever have; that is, about _____ billion neurons whose function is to store and transmit information.
85
The first stage of cognitive development is referred to as the _________and it occurs through six substages.
Sensorimotor Period
_________ express themselves only when paired with a similar version gene.
Recessive genes
__________ is a fragile process and fewer than one half of all zygotes survive beyond the first two weeks (Hall, 2004).
Mitosis
During the 4th - 6th months, the eyes become more sensitive to light and ________ develops.
hearing
•The blooming period of neural growth is then followed by a period of ____________, where neural connections are reduced thereby making those that are used much stronger.
synaptic pruning
__________ is the understanding that even if something is out of sight, it still exists.
Object permanence
The word phenotype does not refer to the features that are actually expressed. TRUE or FALSE
False (it does refer to the features that are expressed).
•Starting the third week the blastocyst has implanted in the uterine wall. Upon implantation this multi-cellular organism is called an ______.
embryo
Many practitioners hesitate to resuscitate before ___ weeks. The majority of the neurons in the brain have developed by ____ weeks, although they are still rudimentary, and the glial or nurse cells that support neurons continue to grow.
24
At birth the brain is about 25 percent its adult weight and by age two it is at ____ percent its adult weight. Most of the neural activity is occurring in the Cortex or the thin outer covering of the brain involved in voluntary activity and thinking.
75