Biological Psychology Biological Psychology Pgs 107 120 Pgs 107 120 Overview Overview Why are we studying biology in Intro Why are we studying biology in Intro Psych Psych The Nervous System The Nervous System The Brain The Brain Organization of the brain Organization of the brain What parts of the brain do What parts of the brain do Communication in the brain Communication in the brain The Hemispheres of the brain The Hemispheres of the brain Why are we studying biology Why are we studying biology in Intro Psych in Intro Psych Brain and Behavior are Connected Brain and Behavior are Connected The brain affects The brain affects Behavior affects the brain Behavior affects the brain Psychological problems can have Psychological problems can have biological causes biological causes Psychological Psychological disorders to disorders to abnormalities in the abnormalities in the brain brain Brain damage Brain damage deficits in behavior deficits in behavior The Nervous System The Nervous System The nervous system The nervous system Nervous system Central Peripheral Central Nervous System Central Nervous System Central nervous system CNS Central nervous system CNS CNS The Brain CNS The Brain Organization of the Brain Organization of the Brain The Brain The Brain The Brain Forebrain Midbrain Hindbrain The further back the more Hindbrain cerebellum pons and medulla Brain Stem Midbrain medulla and pons The Forebrain The Forebrain Most Most Cerebral Cortex analyzes sensory info higher Cerebral Cortex analyzes sensory info higher brain functions brain functions Right and left Right and left hemispheres hemispheres Corpus Collosum Corpus Collosum Neocortex Neocortex part of brain part of brain 4 lobes 4 lobes Frontal Frontal Temporal Temporal Parietal Parietal Occipital Occipital The Frontal Lobe The Frontal Lobe Motor Cortex Motor Cortex Prefrontal Cortex Prefrontal Cortex PFC PFC Broca s Area Broca s Area Motor Cortex Motor Cortex Each part controls part of body Each part controls part of body More sensitive parts of body get motor More sensitive parts of body get motor cortex cortex Prefrontal Cortex PFC Prefrontal Cortex PFC Language Language Abstract Thinking Abstract Thinking Decision Making Decision Making Personality Personality Thinking Thinking Mood Mood Memory Memory Phineas Gage Phineas Gage Broca s Area Broca s Area Language Language Left Hemisphere Left Hemisphere Aphasia speech deficit that leads to Aphasia speech deficit that leads to inability to communicate effectively inability to communicate effectively Broca s Aphasia Difficulty in speaking Broca s Aphasia Difficulty in speaking smoothly coming up with certain words smoothly coming up with certain words grammar grammar Temporal Lobe Temporal Lobe Auditory Cortex Auditory Cortex Autobiographical Autobiographical Events Events Wernicke s Area Wernicke s Area Wernicke s Area Wernicke s Area language language Wernicke s Aphasia Cannot understand Wernicke s Aphasia Cannot understand language but can speak it language but can speak it Word salad Word salad Temporal Lobe Temporal Lobe Parietal Lobe Parietal Lobe Somatosensory Somatosensory cortex cortex Perception Perception Damage Damage Occipital Lobe Occipital Lobe Visual cortex Visual cortex Cortical Hierarchies Cortical Hierarchies Sensory cortexes info from Sensory cortexes info from senses first goes here senses first goes here Visual Cortex Occipital Visual Cortex Occipital Auditory Cortex Temporal Auditory Cortex Temporal Somatosensory cortex Parietal Somatosensory cortex Parietal Association cortexes info goes here next Association cortexes info goes here next for further processing for further processing What parts of the brain do What parts of the brain do Limbic System Limbic System Connected to Autonomic Nervous System Connected to Autonomic Nervous System Communicates Internal states Communicates Internal states Limbic system processes this info Limbic system processes this info Limbic system and ANS Limbic system and ANS Heart rate Heart rate Respiration rate Respiration rate Perspiration Perspiration Endocrine system Endocrine system Parts of the Limbic System Parts of the Limbic System Hypothalamus Hypothalamus Amygdala Amygdala Cingulate Cortex Cingulate Cortex Hippocampus Hippocampus The Limbic System The Limbic System EMOTIONS EMOTIONS But also But also Amygdala Amygdala FEAR FEAR Learning to be afraid of things Learning to be afraid of things Identifying fear in others Identifying fear in others Necessary for survival Necessary for survival Can go awry Can go awry Hippocampus Hippocampus Memory Memory Learning Learning Central Nervous System CNS Central Nervous System CNS Spinal Cord Spinal Cord Nerves for Spinal Reflexes Nerves for Spinal Reflexes Receives info from Sensory Neurons Receives info from Sensory Neurons Sends info via Motor neurons Sends info via Motor neurons The nervous system The nervous system Nervous system Central brain and spinal cord Peripheral Peripheral Nervous System Peripheral Nervous System Peripheral nervous system PNS the Peripheral nervous system PNS the nerves extended from the to the nerves extended from the to the Nervous system Central brain and spinal cord Peripheral Somatic Autonomic Somatic Nervous System Somatic Nervous System Controls Movement Controls Movement Carries info from CNS to Carries info from CNS to muscles muscles Autonomic Nervous System Autonomic Nervous System Controls actions Controls actions Heart rate Heart rate Respiration Respiration Perspiration Perspiration Involved in emotions Involved in emotions Nervous system Central brain and spinal cord Peripheral Somatic voluntary Autonomic involuntary Sympathetic Parasympathetic Sympathetic Nervous System Sympathetic Nervous System Active during Flight or Fight response Active during Flight or Fight response Parasympathetic Nervous System Parasympathetic Nervous System Active during rest and digestion Active during rest and digestion