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Memory, etc.

Memory, etc. Ch. 14-4. Limbic System. Plays a role in emotions Includes olfactory lobes – memory, emotion, and smell are linked Crayolas are created today with the same scent because it reminds people of their happy times in childhood.

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Memory, etc.

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  1. Memory, etc. Ch. 14-4

  2. Limbic System • Plays a role in emotions • Includes olfactory lobes – memory, emotion, and smell are linked • Crayolas are created today with the same scent because it reminds people of their happy times in childhood. • Why is the brain formed so that smell and emotions are tied together? • Because pheromones are tied to emotions and behavior, so they need a link

  3. Memory • Old method – short-term, long-term • New method – based on process for storage and retrieval • Episodic • Semantic • Procedural • Working

  4. Episodic Memory • Think of something that happened yesterday. • Involved in remembering personal experiences, such as a phone conversation you had yesterday or the movie you watched last week • Challenge: Do you remember the first Harry Potter movie? What was the story? How many details do you remember?

  5. Semantic Memory • Think of a fact that you know to be true. • Manages the storage and retrieval of general knowledge of facts, such as the number of days in a year or the colors in a rainbow. • Naming objects is semantic memory • Challenge: • Where do kangaroos live? • What actor played Joker in the last Batman movie? • What is this thing?

  6. Procedural Memory • Describe to a partner how to tie a shoe. • Allows us to learn activities and skills that will be performed automatically with little or no conscious though. • Examples are riding a bike or driving a car. • Challenge: • How do you use a can opener?

  7. Working Memory • Stand up • Spin around one time clockwise • Pick up your pencil • Write your name backwards • Sit down • Concentration and short-term retention • Problems here can impair a person’s ability to pay attention or accomplish multi-step tasks. • Challenge: • What do you need to get done tonight when you get home? • Were you able to follow the directions?

  8. Damage and Injuries • To medulla oblongata • Blow to back of head can lead to death • Disrupts rhythm of breathing and heart beating • To cerebellum (injury or disease) • Ataxia – disrupts muscle coordination • Can’t touch tip of nose when blindfolded • Staggered walking, change in speech pattern • Like being drunk – alcohol inhibits ability of cerebellum

  9. Brain Waves • Electrical signals produced by brain neurons sending action potentials • 4 types of brain waves • Alpha – present during awake and resting with their eyes closed – disappear during sleep • Beta – appear when nervous system is active during sensory input and mental activity • Theta – occur in children and adults during emotional stress • Delta – during deep sleep in adults, normal in awake infants • When produced by awake adult it indicates brain damage

  10. Brain Waves

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