Chapter 3 Human Development

The average newborn triples his weight by:

1 year

Approximately how many hours per day does the average new born spend asleep?

15 to 17

Children reach half their adult heigh by the age _____ years.

2 years

A newborn's brain weight is _____ an adult's brain weight.

25% of

Clara's weight is in the 30th percentile. This means that ____ of all babies her age weigh less than she does and ___ of all babies her age weigh more than she does.

30; 70

The average North American newborn weighs ____ pounds at birth.

7 pounds

The area in the brain that plans, anticipates, and controls impulses is the ____ cortex.

Prefrontal

A hypothesis that has been repeatedly disproved is that the MMR vaccine causes

autism

According to Chomsky's theory of language acquisition

children have an inborn ability to learn language

Brain weight triples in size during the first two years of life primarily because of the growth of:

dendrites

Binocular vision refers to the ability to:

focus on an object with both eyes

James uses the word "more" to mean "I want another cookie". In this case, "more" is a:

holophrase

when the immune system is primed to resist a particular disease, the process is called:

immunization

Gross motor skills are

large movements

Brain cells are called:

neurons

The mental processing of sensory information is called

perception

Breast milk

provides antibodies to fight diseases

The process through which unused and misconnected dendrites atrophy and die is called:

pruning

The usual order (4) of the development of spoken language in an infant is:

reflexes, cooing, babbling and spoken words.

Object permanence is demonstrated by an infant who:

searches for a toy that has fallen in sight

An infant's inborn drive to remedy deficits is called:

self-righting

Whenever the eyes, ears, tongue, skin or mouth detect a stimulus a _______ has occurred

sensation

Piaget called an infant's first period of cognitive development:

sensorimotor intelligence

A life-threatening condition that occurs when infants are shaken back and forth sharply and quickly is called:

shaken baby syndrome

Neurons in the brain meet at "intersections: called:

synapses

The outer layers of the brain are referred to as:

the cortex

The brain develops extremely quickly in the first few years, but not all of this growth is permanent. Due to its rapidity and temporary nature, this rapid growth is called

transient exuberance

The sense that is the least developed at birth is an infant's:

vision