A cog is a tooth of a gear or cogwheel or the gear itself.
Cognitive behavioral therapy (CBT) is a psychosocial intervention that is the most widely used evidence-based practice for treating mental disorders.
In psychology, cognitive dissonance is the mental stress (discomfort) experienced by a person who simultaneously holds two or more contradictory beliefs, ideas, or values; when performing an action that contradicts existing beliefs, ideas, or values; or when confronted with new information that contradicts existing beliefs, ideas, and values.
Cogeneration or combined heat and power (CHP) is the use of a heat engine or power station to generate electricity and useful heat at the same time.
Cognitive science is the interdisciplinary, scientific study of the mind and its processes. It examines the nature, the tasks, and the functions of cognition.
Cognizant is an American multinational corporation that provides digital, technology, consulting, and operations services.
Cognitive psychology is the study of mental processes such as "attention, language use, memory, perception, problem solving, creativity, and thinking".
Cogito ergo sum is a Latin philosophical proposition by René Descartes usually translated into English as "I think, therefore I am".
Cognitive neuroscience is the scientific field that is concerned with the study of the biological processes and aspects that underlie cognition, with a specific focus on the neural connections in the brain which are involved in mental processes.
Cognac (/ˈkɒnjæk/ KON-yak or /ˈkoʊnjæk/ KOHN-yak ; French pronunciation: [kɔ.ɲak]), named after the town of Cognac, France, is a variety of brandy.