Megan Means

Events

Thales

Approx. 600 BC - Approx. 545 BC

Thales invites students to improve on his thinking

Hippocrates

400 BC

Relates personality characteristics to body types and proposes a physiological theory of mental illness.

Aristotle

350 BC

Stresses the objective observation of human behavior and proposes 3 principles to account for the association of ideas.

St. Augustine

400 AD

Influenced by platonic ideas, makes careful inspections in his book Confessions.

Rene Descartes

1650

Characterizes the mind-body relationship as one interaction.

Thomas Hobbes

1651

Foreshadows assciationism by declaring all ideas come from sensory experience.

John Locke

1690

Carries Hobbes' notion a step further by declaring at birth the mind is a blank slate.

David Hartley

1749

Formalizes a doctorine of associationism and suggests a neurological basis for memory.

Immanuel Kant

1781

Critique of Pure Reason attacks associationsm and the nativistic approach.

Granz Gall and Johann Sprzheim

1809

Give prominence through phrenology to the study of mental faculties and brain function.

Piere Flaurens

1821

Performs the first significant experiments in localization of brain functions.

Friedrich Bessel

1822

Measures individual differences in reaction time for astronomical observation.

Johannes Muller

1838

Formulates the doctorine of specific nerve energies.

Ernst Weber

1846

Derives the first quantative law in psychology.

Hermann Von Helmholtz

1850

Measures the rates of conduction of nerve impulses.

Charles Darwin

1859

Publishes The Origin of Species, propounding the theory of evolution through natural selection.

Gustav Fechner

1860

Publishes Elements of Psychophyscis, presents various methods of measuring the relationship between stimuli and sensations.

Sir Francis Galton

1869

Studies individual differences and applies Darwin's concept of selective adaptation to the evolution of races.

Wilhelm Wundt

1879

Opens the first formal psychological lab at the University of Leipzig.

G. Stanley Hall

1883

Establishes the first psychological lab in America at Johns Hopkins University.

Hermann Ebbinhaus

1885

Publishes the first experimental studies in memory.

William James

1890

Principle of Psychology is published in the US.

Edward Tichner

1892

At Cornell University establishes structuralism as major influence in American Psychology.

Edward Thorndike

1898

Performs some of the first controlled experiments on animal learning.

Sigmund Freud

1900

Publishes The Interpretation of Dreams, which presents many of his ideas on psychoanalysis.

Alfred Binet and Theodore Simon

1905

Devise the first intelligence test.

Ivan Pavlov

1906

Publishes the results of his studies on classical conditioning.

William McDougall

1908

The publication of An Introduction to Social Psychology marks the formal inauguration of the field of social psychology.