Glossary I

Isodensity in the psychology context refers to a state of emotional or psychological equilibrium where an individual experiences a balanced and stable level of emotions, thoughts, or behaviors. It implies a state of harmony and balance within the psychological aspects of a person's life. Achieving isodensity is often seen as a desirable goal in mental well-being and emotional stability.

Isodensity curve refers to an ellipse on a scatterplot or two (2) dimensional scatter diagram that encircles a specified proportion of the cases constituting particular groups.

Isokinetic is defined as an action in which the rate of movement is constantly maintained through a specific range of motion even though maximal force is exerted. It is a type of dynamic exercise often using concentric and/or eccentric muscle contractions in which the speed (or velocity) of movement is constant and muscular contraction (often maximal contraction) occurs throughout the movement.

Isokinetic exercise refers to an exercise requiring exertion for lifting and additional effort for returning weight to the starting position.

Isolated children is defined as children who have grown up without normal human interactions.

Isolation is defined as the degree of physical distance of a group from other groups; a crisis resolution in which situational factors or a fragile sense of self lead a person to remain psychologically distant from others; the state of being alone.

Isolationism in psychology refers to a psychological state or behavior characterized by an individual's tendency to withdraw from social interactions and isolate themselves from others. It involves a preference for solitude and a reduced desire for social engagement. Isolationism can have various causes and consequences, impacting an individual's mental and emotional well-being.

Isomerization refers to a change in shape of the retinal part of the visual pigment molecule that occurs when the molecule absorbs a quantum of light. Isomerization triggers the enzyme cascade that results in transduction from light energy to electrical energy in the retinal receptors.