Modern period of Psy by Rustam

1. Modern Period
Presented By Rustam

2. Classification of History
Pre- scientific Period
Greek Period
Middle Ages or
Medieval Period
Scientific Period
Renaissance
Period
Modern
Period

3. Scientific Period

4. Modern Period 19-20 Century
E.H. Weber
Gustav Fechner
Charles Darwin
Francis Galton
Hermaun Helmholtz
J. Muller
Paul Baroca
Wilhelm Wundt

5. Ernst Heinrich Weber (1795-1878)
• E.H Weber was a German physician
• Founder of Psycho- Physics
• Weber’s law
• Relation of external stimuli &
sensational experience
• Experiments on sensation of
temperature
• Influential figure of psychology

6. Gustav Fechner (1801- 1887)
• German experimental psychologist,
philosopher & physicist.
• Early pioneer in experimental
psychology
• Founder of psychophysics,
• He inspired many 20th-century
scientists and philosophers.
• Elements of psychophysics, (1960)
• Method of measuring sensational
threshold

7. Power of organs & mind

8. Types of sensational thresholds
Absolute threshold
• The least quantity of the
stimulus that can be sensed
for the first time is called
the lowest threshold or
absolute threshold.
Differential threshold
• The highest quantity of the
stimulus that can be sensed
for the last time is called the
upper threshold or
differential threshold.

9. Charles Darwin (1809-1882)
• English naturalist, geologist & biologist,
• Ibn-e-Miskwayh theory
• Natural selection
• Best known for his contributions to the science
of evolution.
• The origin of species book 1859
• Expression ob emotions in men & animals
• His proposition that all species of life have
descended over time from common ancestors is
now widely accepted, and considered a
foundational concept in science.

10. Francis Galton (1822-1911)
• English statistician, sociologist,
psychologist, anthropologist, tropical
explorer, geographer, inventor,
meteorologist, proto-geneticist,
psychometrician
• Proponent of social Darwinism,
eugenics and scientific racism.
• Researched on intelligence
• Individual differences
• Inherited information

11. Hermaun Helmholtz (1821-1894)
• German physicist and physician who
made significant contributions in several
scientific fields.
• The largest German association of
research institutions, the Helmholtz
Association, is named after him.
• Color vision theory 1852
• Theory of hearing for perception of
musical tones
• He measure the speed of nerve impulse

12. J. Muller (1890-1967)
• Hermann Joseph Muller was an
American geneticist, educator, and
Nobel laureate
• Best known for his work on the
physiological and genetic effects of
radiation
• He said that type of sensation and
experiences depends on the nature of
the sensory mechanism or sense organ

13. Paul Broca (1824- 1880)
• Paul Broca was a French Physician
• Identified a control center
• Essential for speech in brain
• Named Broca’s area

14. Wilhelm Wundt (1832-1920)
• Wilhelm Maximilian Wundt was a
German physiologist, philosopher, and
professor, known today as one of the
founders of modern psychology.
• Wundt, who distinguished psychology
as a science from philosophy & biology
• Was the first person ever to call
himself as a psychologist.

15. Contribution in Psychology
• Establish psychology as a separate science
• Father of Structuralism
• Structure of mind and conscious through
Introspection
• First laboratory of psychology in Leipzig
University at Germany since 1879
• Experimental study of conscious experience
• It became the hub of psychologists laterly

16. Thanks