Kwin Hazel B. Satiada Mrs. Cordez

BSED I-T Educ 2

DEVELOPMENTAL PERIODS

Children go through distinct periods of development as they move from infants to

young adults.  During each of these stages multiple changes in the development of the

brain are taking place.  What occurs and approximately when these developments take

place are genetically determined.  However, environmental circumstances and exchanges

with key individuals within that environment have significant influence on how each

child benefits from each developmental events.

1. Pre-natal Period (conception-birth)

considered the first major developmental periods in life.

hereditary potentials are affected by conditions within the mother’s body.

Stages:

Embryo - fertilization - 8 weeks after fertilization)

Zygote, the single cell stage which occurs after fertilization

Blastocyst, the stage prior to implantation, when the embryo is a hollow sphere

Post-implantation embryo, the period 1 – 8 weeks after fertilization (3 to 10

weeks gestation)

Fetus, (10th week of pregnancy - birth)

2. Infancy Period (0-12 months)

adjustment to temperature

3. Babyhood (1-3 years)

increasing independence due to rapid physical and psychological development.

4. Childhood

a. Early Chilhood (4-5 years)

It generally includes toddlerhood and some time afterwards.

b. Late Childhood (4-9 years)

also known as “elementay age, play age and gang age”

social behavior

5. Puberty (10-12 to 13-14 years)

age of sexual maturity

body channges and primary sex characteristics develops.

sense of self and personal identity

also known as “preadolescence stage, schoolboy or schoolgirl”.

6. Adolescent Stage (13-14 to 18 years)

control over behavior

to conform to to conform to standards of society

7. Adulthood

a. Early Adulthood (18-49 years)

centered on family living, married life, occupation ad responsibilities

b. Middle Adulthood (40-60 years)

physical and mental changes

8. Old Age (60 and above)

also known as the “senescent age”

closing period

adjustment to changes in physical and mental state

Stages of Human Development

Also sometimes used are terms that specify one's age in numbers, such as:

Young child (0-9)

Pre-teenager (10-12)

Teenager (13-19)

Twentysomething (20-29)

Thirtysomething (30-39)

Fortysomething (40-49) (formerly also Quadragenarian, rarely used since 1980)

Quinquagenarian (50-59)

Sexagenarian (60-69)

Septuagenarian (70-79)

Octogenarian (80-89)

Nonagenarian (90-99)

Centenarian (100-109)

Supercentenarian (110+)