Biological Bases of BehaviorNeurons at WorkNeurotransmitters – spell that backwards!PowerPoint PresentationNeurotransmitters and BehaviorSlide 6Slide 7The obesity addiction?Two Primary Nervous SystemsSlide 10Brain StewSlide 12The adolescent brainNature vs. Nurture researchSlide 15Biological Bases of Biological Bases of BehaviorBehaviorYou Biology Majors will LOVE this!!You Biology Majors will LOVE this!!Neurons at WorkNeurons at WorkNeural Impulse – cell’s reaction to being Neural Impulse – cell’s reaction to being stimulatedstimulatedStages of stimulationStages of stimulationResting potentialResting potentialAction potentialAction potentialAbsolute refractory periodAbsolute refractory periodNeurotransmitters – spell that Neurotransmitters – spell that backwards!backwards!Transmit info from one neuron to anotherTransmit info from one neuron to anotherSynaptic TransmissionSynaptic TransmissionNeurotransmitters and BehaviorNeurotransmitters and BehaviorNeurotransmitters and BehaviorNeurotransmitters and BehaviorTable 3-1, p. 79The obesity addiction?The obesity addiction?Individuals with reduced levels of a Individuals with reduced levels of a ___________________are at increased ___________________are at increased risk for obesityrisk for obesityAppetizing (high-caloric) food stimulates Appetizing (high-caloric) food stimulates release of _______________release of _______________ Overeating to obtain “normal” levels of Overeating to obtain “normal” levels of ____________ from food?____________ from food?Two Primary Nervous SystemsTwo Primary Nervous SystemsCentral Nervous System Central Nervous System (CNS)(CNS)BrainBrainSpinal CordSpinal CordPeripheral Nervous Peripheral Nervous System (PNS)System (PNS)Somatic nervous systemSomatic nervous systemAutonomic nervous systemAutonomic nervous systemSympatheticSympatheticParasympatheticParasympatheticBODYCNSBrain and Spinal CordPNSAutonomic SomaticSympathetic ParasympatheticBrain StewBrain StewHindbrainHindbrainCerebellum Cerebellum MidbrainMidbrainDopamine systemDopamine systemReticular Formation Reticular FormationBrain StewBrain StewForebrain Forebrain Thalamus Thalamus Hypothalamus Hypothalamus Limbic System Limbic System CerebrumCerebrumThe adolescent brainThe adolescent brainPrefrontal CortexPrefrontal CortexMaturationMaturationLimbic systemLimbic systemRelied upon heavily by Relied upon heavily by teenagersteenagersNature vs. Nurture researchNature vs. Nurture researchTwin StudiesTwin StudiesAdoption StudiesAdoption StudiesNature & NurtureNature & NurtureFigure 3.30 Twin studies of intelligence and personalityTwin studies of intelligence and