HUMAN DEVELOPMENT

Development is a progress series of changes that occur as result of maturation and experience. Development is a process that produces a progressive series of changes that are coherent and which lead to and end with maturity.

Factors of Development
1. Heredity
2.Environment

Principles of Heredity
1. Principle of Reproduction
2. Principle of Variation
3. Principle of Chance
4. Principle of Dominance and Recessiveness
5. Principle of Sex-linked Characteristics

Principles of Development
1. Development is orderly and follows a sequential pattern, which is predictable.
2. Development is the product of the interaction of maturation and learning.
3.There are individual differences in development.
4. Development proceeds by stages

Timetable of prenatal Development
. Period of the Zygote
. Period of the Embryo
. Period of the Fetus

5 SENSES

1. Vision
2. Hearing
3. Taste
4. Smell
5. Touch

Factors that Influence Perception

Intensity
Repetition
Contrast
Movement
Change in Stimulus