A theoretical orientation that considers basic psychological processes as shared characteristics of all people, and cultural context as influencing their development and manifestation. See Cross-cultural psychology, Emic-etic distinction, Psychic unity of mankind, Relativism (or cultural relativism)
Category Archives: Uncategorized
Universal
A psychological concept, or a relationship between concepts, that appears suitable for the description of the psychological functioning of people in any cultural group. See Emic-etic distinction, Universalism
Unit
In behaviour, an action or process that is relatively indivisible and separate from other actions or processes . See Fixed action pattern
Unimanual task
A task that can be performed with only one hand (e.g., reaching for and grasping an object, holding and using a pencil, hammering a nail into the wall once the nail is set, pouring water from a carafe into a glass, or moving and inserting pegs into a peg-board). See Bimanual task, Handedness, Lateral bias
Undergeneralization
Also known as underextension, it is a failure to use a word across its full adult range. For example, a child might restrict the word ‘dog’ by only allowing it to refer to the family pet. One of the explanations forundergeneraliztion is that children, especially those around two years-of-age, are not able to tell the …
Unc-6
An attractive and repellent ligand for axon guidance, and a nematode homologue of vertebrate netrin. See Axon pathway selection, Growth cone, Netrins
Unc-5
A receptor for unc-6 involved in the sensing a repulsive guidance cue for axons . See Axon pathway selection, Growth cone
Unc-40
A receptor to unc-6, and the nematode homologue of DCC (deleted in colorectal cancer).
Ultimate mechanisms (or causes)
Determinants that have been incorporated into a system over many thousands of generations (i.e., over evolutionary time) by means of natural selection or other evolutionary mechanisms (e.g., genetic drift in isolated populations). See Causality (in philosophy), Evolutionary psychology, Genetic drift (or random walk), Proximate mechanisms (or causes)
Umwelt
No definition . See Affordance, Habitat (ecology)