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 or discomfort experienced by an individual who holds two or more contradictory beliefs, ideas, or values at the same time; performs an action that is contradictory to their beliefs, ideas, or values; or is confronted by new information that conflicts with existing beliefs, ideas or values.
Cognitive science is the interdisciplinary, scientific study of the mind and its processes. It examines the nature, the tasks, and the functions of cognition.
Cognitive psychology is the study of mental processes such as "attention, language use, memory, perception, problem solving, creativity, and thinking." Much of the work derived from cognitive psychology has been integrated into various other modern disciplines of psychological study, including educational psychology, social psychology, personality psychology, abnormal psychology, developmental psychology, and economics.
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 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.
Cognition is "the mental action or process of acquiring knowledge and understanding through thought, experience, and the senses." It encompasses processes such as knowledge, attention, memory and working memory, judgment and evaluation, reasoning and "computation", problem solving and decision making, comprehension and production of language, etc.
In cognitive psychology, cognitive load refers to the total amount of mental effort being used in the working memory.