Psychology

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jn3lly
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39409
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Psychology
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2010-10-06 23:56:43
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Psychology terms
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ch 5-8
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  1. Which sense is associated with the Olfactory epithelium?
    What is its importance?
    • Sense of smell.
    • Has the most direct route to the brain and is processed in the prefrontal cortex which is related to feeling and memory.
  2. What are the links between Smell and Alzheimer's
    • Alzheimer’s disease
    • Forms of dementia
    • Rapid cognitive decline

    • Linked to a deteriorating sense of smell
    • Wilson et al (2007)
    • Gave older adults (age 80)a smell identification test
    • Followed for 5 years
    • Lowest quarter had 50% higher risk of cognitive
    • impairment than those in the top quarter
  3. What are the 6 taste types?
    • Sweet
    • Sour
    • Bitter
    • Salty
    • Umami
  4. Infant taste preference test.
    Mothers would drink a certain drink 2 months before and after birth

    • 1st group the mother drank carrot juice before and water after
    • 2nd group mother drank carrot juice before and carrot juice after
    • 3rd group drank water before and water after
    • 4th group drank water before and water after.
  5. Is it related to the mothers taste preference before/after birth?
    The results of the infant taste test were that the mothers who drank carrot juice at either point had infants who preferred carrots juice as opposed to the mothers who only drank water.
  6. What is perceptual organization?
    The way in which the eye and brain organize visual sensations. The whole Gesalt Psychology
  7. What are the 5 Gesalt Principles of Perception
    • Figure ground
    • Continuity
    • Proximity
    • Similarity
    • Closure
  8. Figure Ground
    • When we percieve a visual stimulus, part of what we see is the center of our attention, the figure, and the rest is in the indistinct ground. But the figure and ground can be reversed.
  9. Continuity
    Lines and patterns that follow a smooth contour are perceived ad a single unit.
  10. Proximity
    Things that are close together usually perceived as belonging together.
  11. Similarity
    Similar things are usually perceived as being related.

  12. Closure
    Incomplete figures of familiar things tend to be perceived as complete wholes.
  13. What is perceptual constancy
    The tendency for perception of objects to remain relatively unchanged in spite of changes in raw sensations.
  14. What are the Four types of perceptual constancy

    CBSs
    • Brightness constancy
    • Color constancy
    • Size constancy
    • Shape constancy
  15. Brightness constancy
    our changing perception corresponds to the unchanging physical properties of the object than to the changing sensory information about its brightness.

    ie a piece of white paper moving from a dimy lit room to a brightly lit room.
  16. Color constancy
    colors do not change as much in spite of the different lighting conditions.
  17. Size constancy
    Familiar objects do not change in perceived size at different distances.
  18. Shape constancy
    Perceiving and object as a constant shape even though it may look different form different angles.
  19. Depth Perception
    Retina of our eyes is two dimensional but we see depth using cues.
  20. What are the 8 Monocular cues

    (talssasv)
    • (Can be seen with one eye only)
    • Texture gradient
    • Aerial perspective
    • Linear perspective
    • Superposition
    • Speed of movement
    • Accommadation
    • Shadowing
    • Vertical position
  21. Texture Gradient
    The texture of an object is larger and more visible up close and smaller when far away. on curved surfaces the elements of texture are more slanted when the surface does not squarely face us.

  22. Linear perspective
    • Things closer to converging point grow closer together as they are farther away from us.
  23. Superposition
    Closer objects tend to be partially in front of or partially cover up more distant objects

  24. Shadowing
    The shadows cast by objects and the highlights of reflected light suggest their depths
  25. Speed of movement
    objects further away appear to move across a filed of vision more slowly than objects closer
  26. Aerial Perspective
    water vapor and polution give distant objects,bluish, hazy appearance compared with nearby objects
  27. Accommodation
    the shape of the lenses of the eye must change to focus the visual image on the retina from the stimuli that are differenty distances from the eye. only for short distances 4feet.
  28. Vertical position
    when objects are on the ground, the farther they appear to be below the horizon the closer the appear to us. for objects in the air the farther the appear to be above the horizon the closer they appear to us.
  29. Stage theory of memory
    A model of memory that says we store memory in 3 separate but linked memories
  30. Three stages model of memory
  31. What is sensory memory?
    • It holds an exact image of each sensory experience until it can be fully processed.
    • visual lasts for 1/4 of a sec
    • Auditory last for 1/4 sec
    • an echo is heard for 4 sec
  32. Short term memory
    Rehearsal
    Chunking
    • Information from sensory register is transfered.
    • Magic number 7+
    • Repeating information over and over again until you need it.
    • units of memory.

    • To recall information we search
    • Frontal loves of the cerebral cortext
  33. What is Long term memory?
    • Information kept for long periods of time.
    • It is first integrated in the hippocampus and then transferred to the areas of the cerebral cortex involved in language and perception for permanent storage.
  34. Info retrieval
    • To search for things in long term memory retrieve it by using indexed cues.
    • To search STM you use
  35. Exhaustive search
  36. What is the difference in Stm and Ltm
    • In STM we recall things we ( saw, did,taste,touched or hears) mostly (acoustic).
    • LTM stores Meaning
  37. what Are the 3 types of long term memory
    • Procedural Memory
    • Semantic memory
    • Episodic memory
  38. Procedural
    Memory associated with a how to do something
  39. Semantic memory
    Meaning of what took place
  40. Episodic
    The events and details of what happened
  41. What is declarative memory
    It can be easily described Semantic and episodic memory. I.e Semantic "I know what a guitar is"Episodic " I remember my first guitar"
  42. How is information organize in Ltm
    The organization of memory chracterised as an associative network. Memories are associated or linked together, through experience
  43. What is ways to test
    Recall method
    Recognition method
    Relearn method
    • In recall method you have to recall information with few if any cues
    • In recognition method you are asked to recognize correct information from alternatives
    • In relearn you learn inforamtion previouls memorized if it takes less time to learn then information was not completely lost
  44. How are do the ways of testing memory differ
    We can remember better in recognition than in recall method because recognition provides more cues.
  45. What is serial position effect
    The immediate recall of the items first listed in a fised order is often better for items in the beginning and end than of the list for those in the middle
  46. What is deep processing
    Involves greater elaboration and you create more association between a new memory and existing memory which sends it to LTM
  47. What is shallow processing
    • Example
    • Soft
    • Swift
    • Warm
    • Sharp
    • Witty
    • Bright
    • Clean
    • beautiful

    • Looking at these words for only 5 secs and then trying to remember the ones with an I in it.
    • less likely to remember them.
  48. What is decay theory
    Memories not used fade gradually over time
  49. Interference theory
    • other memories interfere with the retrieval of what you are trying to recall. Because the memories are similar with the one you are trying to recall.
    • ie. trying to remember numbers, and more numbers
  50. Proactive interference
    When trying to recall new information interefrence created by memories from prior learning
  51. Retroactive interference
    Interference created from things recently learned and trying to remember old memories.
  52. Reconstruction theory
    Information stored in LTM sometimes changes over time to become more consistent with our beliefs knowledge and expectations
  53. Why does the LTM become distorted
    The LTM stores meaning better than episodic details. We remember the gist of the information and unknowingly invent details to be consistent with the general idea of memory.
  54. Theory of motivated forgetting
    Forgettin that is believed to be based on the upsetting or threatening nature of the information that is forgotten.
  55. What are false memories and how are they elicited
    • Remembering sometihing that did not happen, or that occurred in a way that was substantially different form the memory of the event.
    • eg
    • Bed Doze
    • Rest Slumber
    • Awake Snore
    • tired nap
    • dream peace

    And then saying that sleep was one of the words
  56. How does emotion effect memory
    • Sometimes emotional arousals does not always lead to poor memory, sometimes it has little effect and sometimes it improves memory.
    • You remember Positive then Negative then Neutral words
  57. What is flashbulb memory
    Vivid memory of a particular event
  58. What is Amnesia
    Memory Disorder have difficulty remembering information
  59. Anterograde amnesia
    Inability to store new information in ling term memory
  60. Retrograde amnesia
    Inability to retrieve old long term memories. begining from the start of the disorder
  61. What causes Korsakoffs syndrome?
    How do individuals behave?
    • It is caused by chronic alcoholics
    • They engage in confabulation they make up things when they can not remember soemthing.
  62. How does blood sugar affect memory
    Learning ---> Brain change -engram -Recent finding: same neurons fire when you remember Blood sugar increases consolidation of memory ( so eating helps you remember)
  63. How is eyewitness testimony affected by biased questioning
    How is eyewitness testimony affected by stereotypes, prejudices

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