Attention and interest : a study in psychology and education / by Felix Arnold.

  • Arnold, Felix, 1879-
Date:
1910
Catalogue details

Licence: Public Domain Mark

Credit: Attention and interest : a study in psychology and education / by Felix Arnold. Source: Wellcome Collection.

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    The periods when impressions are able by virtue of their own inherent impelling power to excite attention are the plastic ages of childhood and youth. 4. FatiguE. Concentrated activity, especially when it involves motor control, usually results in fatigue. There arises decreased irritability and increased slowness of response. Efficiency of attention begins to decline. In attention to mini- mal stimuli, the fluctuation periods become shorter. In simple reactions, the reaction time becomes longer. Objects in the field of atten- tion persist for a less time in the centre of con- tro]. On the subjective side, fatigue is felt as weariness, disinclination to persistent effort, sensation of strain in the muscles, lack of interest in situations which normally are of an impelling nature, and sometimes as pain in the parts of the body affected. On the objective side, fatigue is manifested by a general slackness and listless- ness of the body posture, by relaxed fingers, and by asymetrical and fidgety movements. Codrdi- nations become more bungling, incorrect, and for finer control, often impossible. The eyes wander, lose the power of persistent fixation, and assume a general vacant expression. Re- sponse to stimulation becomes less exact and