Radiation treatment given by placing radioactive material contained within a small cylindrical shell directly in or near the target, often a tumor.
- Implicit memory
Memory characterized by a lack of conscious awareness in the act of recollection. By contrast, explicit memory requires conscious recollection of previous experience. Implicit memory may survive largely unimpaired at the same time as a person’s powers of explicit memory decline with age or are devastated in Alzheimer disease.
460-463). Men with less education are also more likely to experience impotence, perhaps because they tend to have less healthy lifestyles, eat a less healthy diet, drink more and exercise less. Physical exercise tends to lessen the risk of impotence. Impotence can have emotional causes but most often it is due to a physical problem. […]
- Imprinting, genomic
The phenomenon of parent-of-origin gene expression. The expression of a gene depends upon the parent who passed on the gene. For instance, two different disorders – Prader-Willi syndrome and Angelman syndrome — are due to deletion of the same part of chromosome 15. When the deletion involves the chromosome 15 that came from the father, […]
- Imprinting, psychological
A remarkable phenomenon that occurs in animals, and theoretically in humans, in the first hours of life. The newborn creature bonds to the type of animals it meets at birth and begins to pattern its behavior after them. In humans, this is often called bonding, and it usually refers to the relationship between the newborn […]
Inclined to act on impulse rather than thought. People who are overly impulsive, seem unable to curb their immediate reactions or think before they act. As a result, they may blurt out answers to questions or inappropriate comments, or run into the street without looking. Their impulsivity may make it hard for a child to […]