Textbook Notes (290,000)
CA (170,000)
UTSC (20,000)
Psychology (10,000)
PSYB51H3 (300)
Chapter 1

PSYB51H3 Chapter Notes - Chapter 1: Radiography, Hemoglobin, Thalamus


Department
Psychology
Course Code
PSYB51H3
Professor
Matthias Niemeier
Chapter
1

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PSYB51
CHAPTER 1
sensation - the ability to detect a stimulus, and turn that detection into a private experience
perception - the act of giving meaning and/or purpose to a detected sensation
qualia (sing. quale) - in philosophy, private conscious experiences of sensation or perception
binocular rivalry - two images would dominate your perception (you might see a house on one
eye, and a face on the other, but you cant see them together)
dualism - the idea that the mind has an existence separate from the material world of the body
materialism - the idea that the only think that exists is matter, and that all things, including the
mind and consciousness, are the results of interaction between bits of matter
panpsychism - the idea that the mind exists as a property of all matter — that is, that all matter
has consciousness
Gustav Rechner
-german scientist/philosopher, considered to be the true founder of experimental psychology
(but that title is given to Wilhelm Wundt)
-suffered severe eye damage but his vision began to recover quickly (panpsychism)
psychophysics - the science of defining quantitative relationships between physical and
psychological (subjective) events
two-point touch threshold - the minimum distance at which stimuli (ex: two simultaneous
touches) are just perceptible as separate
just noticeable difference (JND)/difference threshold - the smallest detectable difference
between two stimuli, or the minimum change in a stimulus that enables it to be correctly judged
as difference from a reference stimulus
Weber fraction - the constant of proportionality in Weber’s law
Weber’s law - the principle describing the relationship between the stimulus and resulting
sensation that says the JND is a constant fraction of the comparison stimulus
Fechner’s Law - a principle describing the relationship between stimulus and resulting sensation
that says the magnitude of subjective sensation increases proportionally to the logarithm of the
stimulus intensity
absolute threshold - the minimum amount of stimulation necessary for a person to detect a
stimulus 50% of the time
method of constant stimuli - a psychophysical method in which many stimuli, ranging from rarely
to almost always perceivable (or rarely to almost always perceivable different from a reference
stimulus), are presented one at a time. Participants respond to each presentation: “yes/no”,
“same/different”, etc
method of limits - a psychophysical method in which the particular dimension of a stimulus, or
the difference between two stimuli, is varied incrementally until the participant responds
differently
method of adjustment - a method of limits in which the subject controls the change in stimulus
magnitude estimation - a psychophysical method in which the participant assigns values
according to perceived magnitudes of the stimuli
Stevens’ power law
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find more resources at oneclass.com
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