Cognition
to know
Cognitive Psychology
a general approach to psychology emphasizing the internal, mental processes
- behaviour explained in terms of underlying mechanisms
Rationalist: Plato
knowledge is obtained via thinking and logical analysis
Empiricist: Aristotle
knowledge is acquired through experience and observation
René Decartes
French renaissance rationalist
- “I think, therefore I am”
- coined the cartesian dualism
Cartesian Dualism
mind and body are distinct entities interacting in humans
John Locke
british empiricist
- coined “tabula rasa”: blank slate
Tabula Rasa
at birth, we know nothing and we acquire knowledge through empirical observation
Immanuel Kant
dialectally synthesized the views of Decartes and Locke
- contended that both rationalism and empiricism contribute to understanding
19th Century Psychology
focused on the scientific study of conscious experience
Structuralism
analyze conscious processes into their basic elements
- discover how elements become connected
- specify the laws of connection
Wilhelm Wundt
opened first psychology lab
- importance of introspection
Introspection
analyze your own conscious experience into sensations, images, and affections
- problems; low reliability and not independently verifiable
Functionalism
determine the adaptive significance of thought processes
- find how and why the mind works
- specify relationships between stimuli and responses
problems: not based on experimentation and theories did not make testable predictions
William James
published “The Principles of Psychology”, which foreshadowed much of cognitive psychology
Associationism
determine how events/ideas become associated ie; contiguity, frequency, similarity, contrast
- understand how association produces learning
F.C Donders
studied mental chronometry using reaction time and subtractions method
- assumed ‘pure insertion’; time to complete each stage is independent of the other stages
Pure Insertion
time to complete each stage is independent of the other stages
Problems with Subtraction Method
Hermann Ebbinghaus
used 2000 3 letter nonsense syllables to measure his memory; removed familiarity effects
- found forgetting curve in effect
problem; its hard to remember nonsense
Forgetting Curve (Retention Curve)
forgetting was rapid at first then more gradual
Psychoanalysis
develop psychological understanding of psychopathologies
- applied psychotherapeutic treatment
Sigmund Freud
proposed different levels of awareness- some items unavailable to consciousness
- methods included introspection, dream analysis, and hypnosis
problems; criticized as unscientific, unfalsifiable, and not based on experimental evidence
Early 20th Century Psychology
the science of observable behaviour