Glossary O

Opponent-process theory refers to a theory which states that strong emotions tend to be followed by an opposite emotional state; also the strength of both emotional states changes over time.

Opponent-process theory of color vision refers to a theory originally proposed by Hering, which claimed that human perception of color is determined by the activity of two ("9 opponent mechanisms: a blue–yellow mechanism and a red–green mechanism. The responses to the two (2) colors in each mechanism oppose each other, one being an excitatory response and the other an inhibitory response. In addition, this theory also includes a black–white mechanism, which is concerned with the perception of brightness. Please see also Opponent neuron.

Opportunistic disease refers to a disease that occurs when the immune system is depressed which is usually fatal.

Opportunistic infections is defined as infections caused by organisms that cannot induce disease in people with normal immune systems, but take the "opportunity" to flourish in people with HIV infection.

Deutsch: Chance / Español: Oportunidad / Português: Oportunidade / Français: Opportunité / Italiano: Opportunità /

The term "opportunity" refers to a set of circumstances or a specific moment in time that presents a chance for individuals to engage in certain actions, make choices, or pursue particular goals. Opportunities can encompass various aspects of life, including personal, social, academic, and career-related domains. Psychologists study opportunities and their impact on human behavior, decision-making, development, and well-being. Understanding how individuals perceive and respond to opportunities is essential for comprehending their choices and life trajectories. Here, we will explore the concept of opportunity in psychology, provide examples, and list similar concepts and terms used in psychological research.

Opportunity structure refers to a path to success. There are two (2) types of opportunity structures legitimate and illegitimate

Opposition maybe defined as the diagonal movement of the thumb across the palmar surface of the hand to make contact with the fingers.

Opposition principle refers to Jung's idea that conflict between opposing processes or tendencies is necessary to generate psychic energy.