神经元neuron

A.一个神经元只有一个输入和一个输出

B.一个神经元有多个输入和一个输出

C.一个神经元有一个输入和多个输出

D.上述都对

A.一个神经元可以有多个输入和一个输出

B.一个神经元可以有一个输入和多个输出

C.一个神经元可以有多个输入和多个输出

D.上述都正确

Where are memories stored？

A．In the nerve cell bodies.

B．In the synapses.

C．In neuron connections.

D．In connection patterns.

A．the working state of the heat production organ

B．the working state of the heat loss organ

C．the working feature of the peripheral thermoreceptor

D．the working feature of the temperature sensitive neuron

According so Snyder et al, caffeine differs from adenosine in that caffeine______

A．stimulates behavior. in the mouse and in humans, whereas adenosine stimulates behavior. in humans only

B．has mixed effects in the brain, whereas adenosine has only a stimulatory effect

C．increases cyclic AMP concentrations in target neurons, whereas adenosine decreases such concentrations

D．permits release of neurotransmitters when it is bound to adenosine receptors, whereas adenosine inhibits such release

E．inhibits both neuron firing and the production of phosphodiesterase when there is a sufficient concentration in the brain, whereas adenosine inhibits only neuron firing

A．It creates a neurological signal only when it comes into contact with its primary tastant.

B．Its function is not to identify tastes, but to identify similarities and differences between them.

C．Its primary importance is in distinguishing between the various qualities of a mixed stimulus.

D．It provides roughly equivalent signals when in contact with a major stimulus and a minor one.

E．It plays a fairly minor role in the across-pattern theory, compared to the labeled-line theory.

神经元(neuron)这个词是卡恰尔提出来的吗：

A.是

B.不是

A．is primarily analytic in its tendency to separate the qualities of different sounds from one another

B．does not rely on the operation of more than one type of neuron, unlike visual or gustatory perception

C．uses individual neurons, not groups, in order to discriminate between various stimuli

D．is primarily synthetic, in that each combination of sound produces a unique quality for the ear

E．uses neurons which respond to only a single major stimulus, without producing minor effects for minor stimuli