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Sept 15 2016Biopsychology – Lecture 1Biopsychology: the scientific study of the biology of behavior-Biological approach to the study of psychology (the scientific approach of behavior)-Integrative discipline; draw together knowledge from the other neuroscientific disciplinesand apply it to the study of behaviorD.O Hebb “the Organization of behavior”: played key role of the emergence of biopsyHebb’s theory discredited the view that psychological functioning is too complex to have its roots in the physiology and chemistry od the brainBased theory on experiments with humans, lab animals, case studies, observations of his own daily life Neurons:cells that receive and transmit electrochemical signals-1 billion neurons, 1 trillion connections between them, & an infinite number of paths that neural signals can follow-Galvani:discovered that neurons communicate in part through electrical activity Neuroscience:Getting us to understand what is going on in the brain using our brains-Studies the nervous system 4 Major Themes 1.Thinking creatively about psychology2.Clinical implication3.The evolutionary perspective4.NeuroplasticityNeuroplasticity:the brain is always changing and growing in response to an individual’s genes and experiences-Not a static (not changeable) network or neurons, but plastic (changeable)Jimmie G– 49 yr old. had good memory of the past (19 yrs and earlier), but forgot everything that was shown to him within a few seconds. -Could not remember anything that happened to him since his early 20s-“the man frozen in time”. Examined by Neurologist Dr. Sacks-Condition was a product of long-term alcohol consumption6 Disciplines of Neuroscience relevant to biopsychology:-Neuroanatomy:the study of the structure of the nervous system-Neurochemistry:the study of the chemical bases of neural activity-Neuroendocrinology:the study of interactions between the nervous system and the endocrine system-Neuropathology:the study of nervous system disorders -Neuropharmacology:the study of the effects of drugs on neural activity -Neurophysiology:the study of the functions and activities of the nervous system
Sept 15 2016Biological ResearchAdvantages of Human and non-Human SubjectsEmpirical in nature:base theories on facts. Must do experiments in order to determine whether theories are true or false -Evidence must be present -Data must be observed or experiencedExperiments and non-experiment only differ in one factor: control (manipulation) of variables-Experiments: Used to find out what causes whatExperimenter must first design 2 or more conditions under which subjects will be testedBetween-subject-design:different groups tested under each condition Within-subject- design: test same group of subjects under each conditionThere must only be one relevant difference between the subjects being comparedDifference b/w subjects is called the independent variableVariable measured by researcher to determine if there is an effect of