Chapter 5

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Published on 16 Dec 2010
School
UTSC
Department
Psychology
Course
PSYA01H3
Sensation
Really about our sensory organs
Can sense where your body is
We know what going on in the world through our sensory systems
The brain can only work with what it actually sense
And it uses memory to make sense of the input
Raw input- sensation
Analyzed version- perception
Example: fireworks
Like when a person speaks another language- we can hear what
they say but cant understand, we have the sensation but no
perception of what is being said
Marijuana interferes with your ability to perceive well
Threshold- how intense does a sensation have to be before we can
see or recognize it.
Jastrow- study of subliminal perception- first psychological
experiment in America
It is though there is an individual that can perform other then the
conscious waking self
As the experimenter you can produce results yourself.
The mind will defend against dirty words, such as cursing
Response bias- the subject may say things different to what they
see
Signal detection theory
Hit rate = false alarm rate when blind folded
Hit rate > false alarm rate when not blind folded
Vision
!
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Document Summary

We know what going on in the world through our sensory systems. The brain can only work with what it actually sense. And it uses memory to make sense of the input. Like when a person speaks another language- we can hear what they say but cant understand, we have the sensation but no perception of what is being said. It is though there is an individual that can perform other then the. Marijuana interferes with your ability to perceive well. Threshold- how intense does a sensation have to be before we can see or recognize it. experiment in america conscious waking self. As the experimenter you can produce results yourself. The mind will defend against dirty words, such as cursing. Response bias- the subject may say things different to what they see. Hit rate = false alarm rate when blind folded. Hit rate > false alarm rate when not blind folded.