yes, synapses allow for information to be filtered and integrated.
synapses connect neurons and help transmit information from one neuron to next. when a nerve signal reaches the end of neuron, it cannot simply continue to next cell. instead, it must trigger the release of neurotransmitters which can then carry the impulse across the synapse to next synapse.
think of the nerve signal like the electrical current, the neurons like wire. synapses would be the outlets or junction boxes that connect the current to a lamp, allowing other lamp to light. neurons communicate at structures called synapses in a process called synaptic transmission. the synapse consists of the two neurons, one of which is sending information to others.