Lesson in Developmental Psychology

1. Human Development
Prepared by:
Orlando A. Pistan, MAEd
Psychology Instructor

2. Developmental Psychology
Simply stated, Developmental Psychology is one area of
Psychology that explains the course of physical social,
emotional, moral and intellectual development over a
person’s life span.
A chronology of different aspects of human development
or a lifelong process from conception to birth.
Developmental changes enable people to adapt to the
environment in which they live. To achieve adaptation,
sometimes called self-actualization is essential.

3. Human Development
Refers to the
progressive series of
changes of an orderly
and coherent type
toward the goal of
maturity.
Maturity means a state
of full development or
completed growth.

4. Human Development
Progressive – means the
changes are directional,
leading towards something
positive.
Orderly and coherent
suggest that development is
not of a haphazard, usual
type but rather that there is
a definite relationship
among the stages in the
development sequence.

5. Types of Changes in
Development
Change in Size
Change in Proportion
Disappearance of old
features
Acquisition of new
features

6. Change in Size

7. Change in Proportion

8. Development Patterns
Cephalocaudal
pattern refers to
growth and
development that
occurs from the head
down.
Proximodistal
pattern of
development is
where growth starts
at the center of the
body and moves
towards the
extremities.

9. Disappearance of old
features

10. Acquisition of new features

11. Acquisition of new features
Boys Girls
Enlargement of scrotum and penis Development of breasts
Voice deepens and shoulders widen Hips widens
Develops pubic hair Develops pubic hair
Produce sperm (Wet dreams) Menstruation (menarche- first period)

12. Old and New features

13. Rate of Development
Rapid – is observed
during the prenatal and
continues throughout
babyhood (except for the
first 2 weeks which is
known as the “plateau”
stage when no physical
development takes
place) up to the first six
years
Slow – starts from 6
years to adolescence.
In adolescence, the
rate of development
is once more
accelerated.

14. Human Development
Thank you for paying
attention.