PSYA01H3 Chapter 5: Chapter 5

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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.