social immobility

a feature of a society with fixed social norms or a rigid class system such that movement from one social class to another is virtually impossible and occurs only in very rare and prescribed instances. The traditional Hindu caste system is an example of such a fixed class society. Compare social mobility.

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Psychology term of the day

November 18th 2024

center–surround antagonism

a characteristic of the receptive fields of many visual and somatosensory neurons in which stimulation in the center of the receptive field evokes opposite responses to stimulation in the periphery. Thus, some neurons depolarize with center stimulation and hyperpolarize when the same stimulus appears in the surrounding region of the receptive field, whereas other neurons have the opposite pattern of responses. Center–surround antagonism greatly increases the sensitivity of the nervous system to contrast. See also off response; on response; simple cell.