Glossary I

Glossary I

- Isaac Newton (1642-1727) : Isaac Newton extended the work of Galileo by showing that the motion of all objects in the universe could be explained by his Law of gravitation. Although Newton believed in God, he believed that God's will could not be evoked as an explanation of any physical phenomenon. Newton viewed the universe as a complex machine that God had created, set in motion, and then abandoned.

ISB is the abbreviations of Incomplete Sentences Blank which refers to the best known and most widely used of the sentence completion techniques, consisting of 40 sentence stems.

Ischemia is a deficiency of blood supply to the heart due to obstruction or constriction of the coronary arteries; often associated with chest pain.

Ishihara plates refer to a display of colored dots used to test for the presence of color deficiency. The dots are colored so that people with normal (trichromatic) color vision can perceive numbers in the plate, but people with color deficiency cannot perceive these numbers or perceive different numbers than someone with trichromatic vision.

Islet cells refer to the part of the pancreas that produces glucagon and insulin.

Isochromosome is defined as an abnormal karyotype characterized by identical arms on the X (female) chromosome. The chromosomal anomaly is associated with Turner's syndrome.

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.