In a chemical synapse, electrical activity in the presynaptic neuron is converted (via the activation of voltage-gated calcium channels) into the release of a chemical called a neurotransmitter that binds to receptors located in the plasma membrane of the postsynaptic cell.
Sigmund Freud Biography and Timeline (german-way.com)The Austrian founder of psychoanalysis was born Sigismund Schlomo Freud in the town of Freiberg (now Pribor) in the Austro-Hungarian region of Moravia (Mähren, today in the Czech Republic) on May 6, 1856.
Synapse (Wikipedia)In the nervous system, a synapse is a structure that permits a neuron (or nerve cell) to pass an electrical or chemical signal to another neuron or to the target effector cell.