PSY 1101 Lecture Notes - Lecture 15: Sensory Neuron, Detection Theory, Psychophysics

• School: University of Ottawa
• Department: Psychology
• Course: PSY 1101
• Professor: Najwa Haddad

Document Summary

Detection: must be able to detect the physical energy in the world around us (ex. Transduction: the physical energy that has been detected must be translated into a language the brain is able to understand. Transmission: the information that has been detected and transduced must be transmitted to the brain: sensory receptor- are found on highly specialized cells. They detect transduce and transmit: bottom- up process: we start form the basics and build u. Psychophysics: the scientific study of how the physical characteristics in the world translate into sensations and perceptions: 2. Absolute threshold: what is the minimum amount of energy/ stimulation that must be there in order of me to detect it 50% of the time: 3. Difference threshold (jnd): in order for us to survive and function well we must detect energy and changes is stimulation. Our ability to detect stimulation or change in stimulation doesn"t depend solely on how strong the stimulation.