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In our derivation of memory in the lecture part 21, what is the requirement of , the ratio of activated neurons for each memorized item? *68. (part 21, medium) 105-W7

A. α=1
B. α>1
C. α=0.5
D. α

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Which of the following two dimensional system possesses a saddle point? (A’ denotes the time derivative of A) 70. (part 22, easy) 105-W7

A. x’=-y, y’=-x
B. x’=-x, y’=-y
C. x’=x, y’=y
D. x’=0, y’=1

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Which of the followings is the best description of Donald Hebb’s theory of learning? 73. (part 23, easy) 105-W7

A. Neurons that grow together wire together.
B. Neurons that wire together fire together.
C. Neurons that fire differently wire together.
D. Neurons that fire together wire together.

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What do you expect for the EPSP (excitatory post-synaptic potential) in a synapse with short-term depression? 74. (part 23, medium) 105-W7

A. The amplitude of EPSP increases under a high frequency pre-synaptic spike input.
B. The amplitude of EPSP decreases under a high frequency pre-synaptic spike input.
C. The EPSP remains constant.
D. The EPSP first decreases and then increases.

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Which of the followings is not the unique properties of NMDA receptors? 20. (Part 07, medium)105-W2

A. They are insensitive to glutamate.
B. The activation are voltage dependent.
C. The gating variable depends on the concentration of Mg2+ ions.
D. The fall time is much longer than that of the AMPA channels.

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In our derivation of memory in the lecture part 21, what is the requirement of , the ratio of activated neurons for each memorized item? *68. (part 21, medium) 105-W7

A. α=1 B. α>1 C. α=0.5 D. α

Which of the following two dimensional system possesses a saddle point? (A’ denotes the time derivative of A) 70. (part 22, easy) 105-W7

Which of the followings is the best description of Donald Hebb’s theory of learning? 73. (part 23, easy) 105-W7

What do you expect for the EPSP (excitatory post-synaptic potential) in a synapse with short-term depression? 74. (part 23, medium) 105-W7

Which of the followings is not the unique properties of NMDA receptors? 20. (Part 07, medium)105-W2

A. α=1
B. α>1
C. α=0.5
D. α