Archives

Rods There are two types of receptor cells in the human eye; the cones and the rods. The rods are the receptors…

Reversible Figure A reversible figure is an ambiguous two-dimensional drawing that represents a three-dimensional object in such a way that it can…

Reversibility In Piaget’s theory of cognitive development, the third stage is called the Concrete Operational stage. During this stage, which occurs from…

Reuptake Reuptake refers to the process in the brain of neurons to retrieve chemicals that were not received by the next neuron.…

Retroactive Interference Retroactive interference is when a person has difficulty recalling old information because of newly learned information. For example, you may…

Retroactive Amnesia Retroactive amnesia is the inability to retrieve or recall information before the traumatic event. An individual who has suffered a…

Retrieval Retrieval is the process in which information in your memory can be recalled. Information concerning events, images and feelings are all…

Retinal Disparity Did you know that the image your left eye perceives is not exactly the same as the image your right…

Retina The retina is the area in the back of the eye that contains your rods and cones. Rods help you detect…

Reticular Formation The reticular formation is a portion of the brain that is located in the central core of the brain stem.…