Psychology 110 Chapter 3 - Week 2/1/16
Psychology 110 Chapter 3 - Week 2/1/16 PSYC 110 - 008
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This 5 page Class Notes was uploaded by Katie Mayes on Wednesday February 3, 2016. The Class Notes belongs to PSYC 110 - 008 at University of Tennessee - Knoxville taught by Alexander Malik Khaddouma in Winter 2016. Since its upload, it has received 19 views. For similar materials see General Psychology - in Psychlogy at University of Tennessee - Knoxville.
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Date Created: 02/03/16
2/1/16 Psych 110 Notes 2/1/16 Chapter 3: Biological Psychology Central Nervous System - Cerebral Cortex o Outermost part of the brain o “The bumpy/folded part” - Contains o Frontal lobe - Prefrontal Cortex o Thinking, planning, language - Motor Cortex o Body movement - Parietal Lobe o Touch - Temporal Lobe o Hearing, auditory info - Occipital Lobe o Eyesight Photo: Central - Corpus Callosum Nervous System o Connects two halves/sides Source: Google Images Limbic System - Emotional center - Memory, flight or fight - Regions: o Thalamus “Sensory relay station” between sense organs and sensory cortex o Hypothalamus Homeostasis, hormones, internal body states (regulation of hormones, hunger, temperature) o Amygdala Fear, excitement, arousal o Hippocampus Memory storage o Cerebellum Movement Balance Photo: Limbic System Source: Google Images 2/1/16 Peripheral Nervous System - Somatic Nervous System o Voluntary movement o Things you do on purpose o Behavioral reflexes Ex. Pulling hand back from a fire - Autonomic Nervous System o Automatic - Sympathetic Nervous System o Activates body (heartbeat raising, etc.) - Parasympathetic Nervous System o Calms down (post work-out) Photo: Peripheral Nervous System Source: Google Images Endocrine System - Glands and hormones that control secretion of blood-born chemical messages - Hormones o Chemicals released into the blood stream that influences particular organs and glands o Slower than neurotransmitters, harder to metabolically degrade, and often affect the body system rather than just one location 2/3/16 Psych 110 Notes 2/3/16 Chapter 3: Biological Psychology Measuring Brain Activity - Phrenology o Older method o Feel around on head for shape and use a diagram to determine issues - Electroencephalography (EEG) o Not always reliable o Measures electrical activity o Can show patterns relating to seizures Photo: EEG Source: Google Images - Magnetic Resonance Imaging (MRI) o Uses magnetic field to see brain structure at one-time point o 2 Dimensional o Better for soft tissues because detect energy output from water after being polarized Photo: MRI Source: Google Images - Computer Tomography (CT) 2/3/16 o Uses x-rays to use magnetic field to see brain structure at one- time point o 3 Dimensional Photo: CT Scan Source: Google Images - Positron Emission Tomography (PET) o Measures consumption of glucose-like molecules tagged with radioactive molecules o Show “living” brain activity Photo: PET Scan Source: Google Images - Functional Magnetic Resonance Imaging (FMRI) 2/3/16 o Measures BOLD (Blood oxygenation level dependence) changes in blood oxygen level Photo: FMRI Source: Google Images Behavioral Genetics - Based on idea of behavioral adaptation to environmental demands (which can be heritable) - Genotype o Genetic Makeup - Phenotype o Observable traits - Twin Studies o Look at what qualities twins share when reared separately versus together - Adoption Studies o Look at what qualities adopted children share with their biological birth parents
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