| 201. | Achromatic colour | Any colour lacking in hue and saturation, hence describable only in terms of brightness, i.e. black and white. |
| 202. | Achromatic interval | 1- In vision, the interval between the absolute threshold for a monochromatic stimulus and the intensity level required for the observer to sense the hue of the given stimulus.2- In More… 0.4 KB |
| 203. | Achromatism | Total color blindness due to the congenital absence of cones. All colors are experience as grays. |
| 204. | Achromatopsia | A condition wherein all visual experiences are achromatic, lacking in both hue and saturation. Many species are naturally achromatopic; however, when the condition occurs in humans it is More… 0.5 KB |
| 205. | Acmesthesia | Seeing sharp points as touch, but lacking the perception of pain usually associated with such stimulation. |
| 206. | Acosmism | Acosmism, in contrast to pantheism, denies the reality of the universe, seeing it as ultimately illusory, and only the infinite unmanifest Absolute as real. This philosophy begins with More… 1.7 KB |
| 207. | Acquaintance rape | The term "acquaintance rape" or "date rape" refers to rape or non-consensual sexual activity between people who are already acquainted, or who know each other socially More… 0.5 KB |
| 208. | Acquired characteristic | Originally used in GENETICS to describe a change that occurs in the physical structure of an organism as a result of its own activities or its interaction with environment. i.e, a a More… 0.6 KB |
| 209. | Acquisitiveness | The motive that involves acquiring or collecting material goods for the sake of collecting alone. |
| 210. | Acronyms | Acronyms, initialisms, and alphabetisms are abbreviations that are formed using the initial components in a phrase or name. These components may be individual letters (as in CEO) or parts of More… 2.4 KB |
| 211. | Acrophobia | Fear of heights. |
| 212. | Act psychology | refers to the viewpoint that the subject matter of psychology should be acts, as opposed to contents. If, for example we see a color, the act of seeing is a, process that leads to a content More… 0.4 KB |
| 213. | Acting out | Expressions of unconscious emotional conflicts or feelings in actions rather than words. The person is not consciously aware of the meaning of such acts (see conscious). Acting out may be More… 0.3 KB |
| 214. | Action potential | The wave of electro-chemical energy that sweeps down the axon of a neuron when the nerve cell releases its resting potential and hence "fires." |
| 215. | Action research | a social psychological research technique pioneered by Kurt Lewin, who believed that in order to gain insight into a problem, one must create a change and then see the effect. This type of More… 0.4 KB |
| 216. | Action slips | These are most commonly referred to as adsentmindedness, but are examples of attentional failure. Using evidence from diary accounts, the typicaltypes of action slips appear to be : + More… 2.0 KB |
| 217. | Activated Node | A node for which the current activated level has reached or passed that node's response threshold. An activated node will often trigger a response or summon attention. It also can More… 0.3 KB |
| 218. | Activation Level | Activation level is a measure of the current activation state for a node or detector. Activation level is increased if the node or detector receives the appropriate input from its More… 0.3 KB |
| 219. | Active intellect | or active knowledge, is the psychological concept of knowledge being actively used (as opposed to passive knowledge). For example, if you are speaking French, your knowledge of it is More… 0.4 KB |
| 220. | Active learning | Refers to the role of the learner in the learning process. Contrasted with passive learning. In active learning, the learner participates in the learning process by making a conscious effort More… 0.3 KB |
| 221. | Active span | A recently devised task for measuring working memory's capacity. In this task, participants are asked to remember items while simultaneously engaged in another activity. For More… 0.3 KB |
| 222. | Activity theory | is a theory of aging which maintains that activity and involvement in late adulthood are more likely to product life satisfaction and psychological good health. Activity theory suggests that More… 0.7 KB |
| 223. | Actor observer effect | is a type of attributional bias in which observers tend to attribute the causes of others behavior to factors within them (such as some aspect of their character or disposition), whereas More… 0.8 KB |
| 224. | Actual Idealism | It was a form of idealism developed by Giovanni Gentile that grew into a 'grounded' idealism contrasting the Transcendental Idealism of Immanuel Kant and the Absolute idealism of More… 1.5 KB |
| 225. | Actualising tendency | Actualising tendency : Sometimes employed by humanistic psy- chologists in referring to the basic MOTIVATION of people to support and develop the self. See also Self Actualization |
