An electrical synapse is a type of connection between two neurons that allows for direct communication. In this synapse, the membranes of the two neurons are very close together, enabling ions to flow directly from one cell to another through specialized channels called gap junctions. This rapid transmission of signals allows for quick responses in the nervous system. Unlike chemical synapses, which use neurotransmitters to send signals, electrical synapses provide a more immediate and synchronized response. They are often found in areas of the brain where fast communication is essential, such as in reflexes and certain rhythmic activities, like those seen in heart contractions.