Glossary D

Glossary D

Dual-code theory refers to a belief suggesting that knowledge is represented both in images and in symbols

Dual-coding hypothesis refers to Paivio’s assertion that long-term memory can code information in two (2) distinct ways, verbally and visually, and that items coded both ways, for example, pictures or concrete words are more easily recalled than items such as abstract words which are coded in only one way

Dual-earner households is defined as households in which both partners are employed.

Dual-stream model of speech perception refers to a model that proposes a ventral stream starting in the temporal lobe that is responsible for recognizing speech, and a dorsal stream starting in the parietal lobe that is responsible for linking the acoustic signal to the movements used to produce speech.

Dual-system hypothesis refers to a hypothesis that suggests that two (2) languages are represented somehow in separate systems of the mind.

Dual-task performance refers to an experimental paradigm involving presentation of two (2) tasks for a person to work on simultaneously.

Dualism is the belief that mind and body are different kinds of substance, existing independently. Moreover, Dualism is the view of behavior according to which actions can be separated into two (2) categories : voluntary behavior controlled by the mind, and involuntary behavior controlled by reflex mechanisms.

Dualist refers to anyone who believes that there are two (2) aspects to humans (1) the physical and (2) mental. Likewise, Dualist is described as one who believes that a person consists of two (2) separate entities: (1) a mind, which accounts for one's mental experiences and rationality, and (2) a body, which functions according to the same biological and mechanical principles as do the bodies of nonhuman animals.