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Author Topic: Psych U4 Q's Thread!  (Read 21977 times)  Share 

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Zafaraaaa

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Re: Psych U4 Q's Thread!
« Reply #15 on: June 24, 2011, 04:18:34 pm »
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Ty.

Q: Explain why the brain is considered to have plasticity with reference to 2 key points?

I have 1? ---> to 'learn'

Possibly also to reassign the function of a damaged brain area to another area of the brain
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Re: Psych U4 Q's Thread!
« Reply #16 on: June 24, 2011, 05:14:32 pm »
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LA 9.7 Grivas.

3. Distinguish between structural and functional plasticity.

Does this mean developmental and adaptive?
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Re: Psych U4 Q's Thread!
« Reply #17 on: June 25, 2011, 12:24:02 pm »
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C9 Test (Grivas); q4 MCQ ---> should be D right? (they say B)
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Re: Psych U4 Q's Thread!
« Reply #18 on: June 25, 2011, 09:32:17 pm »
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C9 Test (Grivas); q4 MCQ ---> should be D right? (they say B)

Can you post the question?
‎"We divert our attention from disease and death as much as we can; and the slaughter-houses and indecencies without end on which our life is founded are huddled out of sight and never mentioned, so that the world we recognize officially in literature and in society is a poetic fiction far handsomer and cleaner and better than the world that really is."
- William James.

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Re: Psych U4 Q's Thread!
« Reply #19 on: June 26, 2011, 04:57:23 pm »
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C9 Test (Grivas); q4 MCQ ---> should be D right? (they say B)

Which of the following is not a distinguishing feature of fixed-action pattern behaviour?
B - The behaviour is difficult to change
D - The behaviour is simple and occurs automatically

My teacher thinks it was D as well and that the textbook made a mistake.
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Re: Psych U4 Q's Thread!
« Reply #20 on: June 29, 2011, 07:19:05 pm »
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Can someone explain to me instrumental learning?
‎"We divert our attention from disease and death as much as we can; and the slaughter-houses and indecencies without end on which our life is founded are huddled out of sight and never mentioned, so that the world we recognize officially in literature and in society is a poetic fiction far handsomer and cleaner and better than the world that really is."
- William James.

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Re: Psych U4 Q's Thread!
« Reply #21 on: June 29, 2011, 07:32:14 pm »
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Isn't it another term for operant conditioning?
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Re: Psych U4 Q's Thread!
« Reply #22 on: June 29, 2011, 07:43:14 pm »
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Operant conditioning: a form of learning in which behaviours of the learner are strengthened or weakened in accordance with their consequences as the learner operates with their enviroment.
Instrumental learning: a term used to describe the link between a behaviour and its consequences because the responses are crucial for learning to take place. The organism deals with their enviroment in a way that produces a sastifying outcome and is instrumental in its own learning.
‎"We divert our attention from disease and death as much as we can; and the slaughter-houses and indecencies without end on which our life is founded are huddled out of sight and never mentioned, so that the world we recognize officially in literature and in society is a poetic fiction far handsomer and cleaner and better than the world that really is."
- William James.

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Re: Psych U4 Q's Thread!
« Reply #23 on: June 29, 2011, 07:53:27 pm »
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They're the same thing; both reliant on consequences.
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Re: Psych U4 Q's Thread!
« Reply #24 on: June 29, 2011, 07:55:41 pm »
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As sSnake said, Operant conditioning = instrumental learning/conditioning.
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Re: Psych U4 Q's Thread!
« Reply #25 on: June 30, 2011, 03:47:02 pm »
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Emma drives safely and obeys all the road laws to avoid getting any more traffic fines and licence demerit points.

What is the negative reinforcer here? Is it 'traffic fines/the loss of licence demerit points'?
« Last Edit: June 30, 2011, 03:49:24 pm by ssNake »
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Re: Psych U4 Q's Thread!
« Reply #26 on: June 30, 2011, 07:53:56 pm »
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Emma drives safely and obeys all the road laws to avoid getting any more traffic fines and licence demerit points.

What is the negative reinforcer here? Is it 'traffic fines/the loss of licence demerit points'?

Could it be both?
‎"We divert our attention from disease and death as much as we can; and the slaughter-houses and indecencies without end on which our life is founded are huddled out of sight and never mentioned, so that the world we recognize officially in literature and in society is a poetic fiction far handsomer and cleaner and better than the world that really is."
- William James.

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Re: Psych U4 Q's Thread!
« Reply #27 on: July 02, 2011, 04:34:37 pm »
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What is the key difference between spontaneous recovery and extinction?

Explain with reference to an example.
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Zafaraaaa

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Re: Psych U4 Q's Thread!
« Reply #28 on: July 05, 2011, 09:05:36 pm »
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What is the key difference between spontaneous recovery and extinction?

Explain with reference to an example.

In extinction, the CR (salivation) no longer occurs following the presentation of the CS (bell) because the UCS (food) hasn't been presented alongside the bell (CS) for a number of trials. E.g. In extinction, pressing a  buzzer (CS) that once foreshadowed a mild electric shock (UCS) may no longer induce fear or anxiety (CR) because the pressing of the buzzer did not cause the mild electric shock for a number of trials.

However, in Spontaneous Recovery, there is a reappearance of the CR when the CS has been presented after a rest period. So pressing the buzzer (CS) would still be associated with mild electric shock (UCS) that would still cause fear and anxiety (CR) - HOWEVER, the feeling of fear/anxiety upon pressing the buzzer would be much less than it was during the initial acquisition stage

Or something like that :-\
« Last Edit: July 05, 2011, 09:08:19 pm by Zafaraaaa »
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Re: Psych U4 Q's Thread!
« Reply #29 on: July 05, 2011, 09:16:16 pm »
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Spot on Zafaraaa :)
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