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Lecture

Chapter 3 - psy100.pdf

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Department
Psychology
Course
PSY100H1
Professor
Dan Dolderman
Semester
Summer

Description
Chapter 3 Biological Foundations Synesthesia cross sense experience Behavioural genetics the study of how genes and environment interact to influence psychological activityNeurons three functionsTaking in information from neighboring neurons receptionIntegrating those signals conductionPassing signals to other neurons transmission Three major events that terminates the transmitters influence in the synaptic cleftReuptake neurotransmitters are taken back into the Presynaptic terminal buttonsEnzyme deactivation an enzyme destroys the transmitter substance in the synaptic cleft Different enzyme destroys different neurotransmittersAutoreceptors when excess is detected the autoreceptors signal the Presynaptic neuron to stop releasing neurotransmitterNeurotransmitters Influence Mind and BehaviourDrugs and Toxins can also mimic neurotransmitters and bind with their receptors as if they were the real thing ie Heroin and cocaineTypes of neurotransmitters Ach excites skeleton muscles and inhibits heart muscles Botulism a form of food poisoning inhibits the release of Ach leading difficulty in breathing and chewing and often to death BotoxMonoamines regulate stat
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