How we learn

Introduction: The Three Representational Modes

Self, Metacognition, Cognition, Knowledge Systems

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Learning Theories: The Three Representational Modes

All information that is perceived via the senses passes through three processors that encode it as linguistic, nonlinguistic, or affective representations (Marzano, 1998). This is how we learn.

For example, if you go to a football game for the first time you encode information linguistically such as rules; retain mental images nonlinguistically, such as mental images of the players positioning themselves and then getting set (pose); and finally, you have various sensations that are encoded affectively, such as the excitement during a touchdown. Each representation can be thought of as a record that is encoded and then filed away.

Learning Theory: The Three Representational Modes

The Linguistic Mode

In the educational and training world, knowledge is most commonly presented linguistically (the study of language), so perhaps this mode receives the most attention from a learning standpoint (Chomsky, 1988). The linguistic mode includes verbal communication, reading, watching (e.g. learn the rule of chess through observation), etc.

Discussions and theories around the linguistic mode can get quite complex so I am keeping this fairly simple. Basically, the linguistic processor encodes our experiences as abstract propositions.

Propositions are thought to perform a number of other functions in addition to being the primary bearers of truth and falsity and the things expressed by collections of declarative sentences in virtue of which all members of the collection "say the same thing". Propositions represent the things we doubt and know. They are the bearers of modal properties, such as being necessary and possible. Some of them are the things that ought to be true.

These propositions are organized into two networks:

1. The declarative network contains information about specific events and the information generalized from them. These are the "what" of human knowledge.

2. The procedural network contains information about how to perform specific mental or physical processes. These are often thought of as IF and THEN statements.

These two networks are the main channels for interacting with each other (communication). Communication is the main functions of language. Language symbols are used to represent things in the world. Indeed, we can even represent things that do not even exist. Communication does not imply a language, for example using hand signals. But a language does imply communication, that is, when we use language, we normally use it to communicate.

A few linguistic definitions

The forming of language is done by syntax—putting sounds together to form words, and the words, in turn, form sentences. For example, English words require at least one vowel sound. However, in Czechoslovakia there are words that are all consonants with no vowels. These sounds we put together are morphemes—the smallest units of language that have meaning. A word is morpheme, as is a prefix or suffix, also the "s" we add onto the end of a word is a morpheme.

Semantics is the study of meaning. With semantic knowledge we can often understand what people mean when they say things that are syntactically unusual or even incorrect.

In transformational grammar, the meaning of a sentence is its deep structure, and that meaning is transformed into the surface structure, which is the actual sentence itself. The deep structure of language is the meaning, and the surface structure is the means by which that meaning is expressed. The rules that translate the meaning into the deep structure are the phrase rules, and the rules that translate the deep structure into the surface structure are the transformational rules.

The Nonlinguistic Mode

This includes mental pictures, smell, kinesthetic, tactile, auditory, and taste. At first, we might believe that they are entirely different structures, however these representations are quite similar to each other in that these nonlinguistic sensations function in a similar fashion in permanent memory (Richardson, 1983). That is, although we sense things differently, such as smell and touch, they are stored in mental representations that are quite similar. They also lose a lot of their robustness once the experience is over and transferred to memory. For example, picturing the smell of a rose from memory is not as vivid as actually smelling a real rose.

Although we can realistically study linguistics, taste, hearing, etc.; mental images are another matter. . . how do you study a picture in someone's mind? Hence, there are several models for the nonlinguistic mode in the psychology world. However, there are a few things we know for certain:

The Affective Mode

This is our feeling, emotions, and mood (Stuss & Benson, 1983):

The affective mode can be thought of as a continuum of feelings, emotions, and ultimately moods. The end points of the continuum are pleasure and pain and we normally strive to stay on the pleasure end of it.

The limbic system (pituitary gland, amygdala, thalamus, hippocampus, etc.) is the physiological system that ties the affective mode together. Since the limbic affects virtually every part of our brain, it also has a very powerful affect on learning.

Plutchik theorized that each basic emotion occupies a location on a circle. Blends of two basic emotions are called dyads. Blends involving adjacent emotions in the circle are first-order dyads, blends involving emotions that are separated by one other emotion are second-order dyads, and so on. For example, love is a first-order dyad resulting from the blending of adjacent basic emotions joy and acceptance, while guilt is a second-order dyad involving joy and fear, which are separated by acceptance. The further away two basic emotions are, the less likely they are to mix. And if two distant emotions mix, conflict is likely. Fear and surprise are adjacent and readily blend to give rise to alarm, but joy and fear are separated by acceptance and their fusion is imperfect and the conflict that results is the source of the emotion guilt.

References

Chomsky, N. (1988). Language and the problems of knowledge: The Managua lectures. Cambridge, MA: MIT Press.

Marzano, Robert J. (1998). A Theory-Based Meta-Analysis of Research on Instruction. Mid-continent Aurora, Colorado: Regional Educational Laboratory. Retrieved May 2, 2000 from http://www.mcrel.org/products/learning/meta.pdf

Richardson, A. (1983). Imagery: Definitions and types. In A. A. Sheikh (Ed.), Imagery: Current theory, research, and application (pp. 3-42). New York: John Wiley & Sons.

Stuss, D. T., & Benson, F. D. (1983). Emotional concomitants of psychosurgery. In K. M. Heilman & P. Satz (eds.), Neuropsychology of human emotion (pp.111-140). New York: The Guilford Press.