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单词 span of apprehension
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span of apprehension
c. Psychology. Mental extent; the amount of information that the mind can be conscious of at a given moment, or the number of items it can reproduce after one presentation; esp. const. of, as span of apprehension, attention span, consciousness span, etc. Cf. memory span n. at memory n. Compounds 2.
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the mind > mental capacity > psychology > developmental psychology > acquisition of knowledge > [noun] > mental scope
span1887
1887 Mind 12 76 The highest number correctly reproduced is to be regarded as the limit which we wish to find, and which we term here the span.
1887 Mind 12 79 We might expect that ‘span of prehension’ should be an important factor in determining mental grasp.
1890 W. James Princ. Psychol. I. xi. 405 The question of thespanof consciousness [sc. to how many things can we attend at once] has often been asked and answered.
1922 R. S. Woodworth Psychol. xi. 262 The ‘span of attention’ for objects..is measured by discovering how many such objects can be clearly seen, or heard, or felt, in a single instant of time. Measurement of this ‘span’ is one of the oldest experiments in psychology.
1945 Mind 54 165 She reduced the number of choices to a range lying within or just within the ‘span of attention’ of her subjects.
1971 Jrnl. Gen. Psychol. Jan. 129 No matter how high the level of luminance, the span of apprehensions will not exceed eight items during the critical interval.
1979 R. Jaffe Class Reunion (1980) iii. ii. 312 The child was very bright and had a long attention span.
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