Chapter 4.2 Notes on concept checks, textbook, and videos
Chapter 4.2 Notes on concept checks, textbook, and videos PSY 101
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This 3 page Class Notes was uploaded by Brittany Notetaker on Sunday September 27, 2015. The Class Notes belongs to PSY 101 at Arizona State University taught by Professor Goldinger in Summer 2015. Since its upload, it has received 129 views. For similar materials see Introduction to Psychology in Psychlogy at Arizona State University.
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I was sick all last week and these notes were exactly what I needed to get caught up. Cheers!
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Date Created: 09/27/15
Chapter 42 4 Lobes of the Cortex 1 Frontal Lobe Controls movement of muscles contains the primary motor cortex in which electrical stimulation causes muscle contractions for voluntary movement contains motor homunculus which maps out which motor cortexes control muscles and limbs contains prefrontal cortex which deals with working memory and reasoning about relations behavior attention and judgement contains the orbitofrontal cortex which is right behind the eyes and controls impulses social behavior and emotion Parietal Lobe Controls sense of touch pain visual input and monitoring the body s position in space contains the primary somatosensory cortex Temporal Lobe Deals with auditory processing and incoming sound contains the primary auditory cortex Occipital Lobe Deals with sending visual signals and is the place where visual processing begins contains the primary visual cortex contains the association cortex which connects sensation with action language or abstract thought 3 Major Regions of the brain 1 Forebrain Contains the cerebrum the limbic system the thalamus and the hypothalamus Midbrain Contains the reticular formation Hindbrain Contains the cerebellum the pons and the medulla Central Nervous System PWP Spinal Chord Brainstem amp Cerebellum Cerebral Cortex Subcortical Structures Cerebral Cortex Cortexbark in Latin Cerebra cortex is the thin layer of cells or neurons gray matter covering the outer surface There are 100000 miles of this matter in the cortex folded into little layers Also contains Broca s area production of speech Wernickies area comprehension of speech The left hemisphere deals with language and is positive The right hemisphere deals with motor control and visual input and is negative Lateralization the function of the cerebral cortex occurs at either the right or left hemisphere and makes language and multitasking possible Two hemispheres of the brain are separated by a bundle of nerve fibers called the corpus callosum The limbic system surrounds the corpus callosum Limbic System 1 Hippocampus 2 Amygdala Cingulate Cortex is above the corpus callosum Its anterior part deals with decisionmaking and emotion while the posterior deals with memory and visual processing Subcortical Structures 1 Hippocampus GreekSeahorse Controls long term memory If damaged can t form new memories 2 Amygdala GreekAlmond Deals with identifying remembering and responding to fear and aggression emotional processing It s in the temporal lobe 3 Thalamus It is at the center of the brain processes sensory info states of arousal learning memory states of consciousness and deep sleep It is the gateway to the cortex because sensory input from our sensory systems travels first to the thalamus which funnels it to the cerebral cortex Disturbance creates seizures and can cause profound memory loss 4 Basal Ganglia It controls movement by receiving input from the cerebral cortex and motor structures in the brain stem and sends info to the cortex Degeneration of the basal ganglia causes Parkinson s disease OCD and AHDH Hypothalamus Controls thirst temperature hunger sexual behavior and aggression with a motivation of homeostasis The Four F s Fleeing Feeding Fighting and Sex Nucleus Accumbens Controls reward and addiction and correlates with social inclusion It is located in the midrain
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