Journal of Experimental Psychology, Volumen5American Psychological Association., 1922 |
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Términos y frases comunes
apparatus behavioristic bell stimulus Blue cent chromatic chronoscope color preference column conditioned reaction conditioning stimulus contraction correlation curve dilatation effect electric shock electrical Exophoria experiment experimental eyelid fact factors fatigue fixation frequency and recency frequency factors full-blood Indians give given grade Green Hyperopia increase indicated individual inhibition insomnia intensity introspective kymograph learning length light Literary Group material maze Meas measurements median mental method nerve normal number of errors observers obtained Orange orbicularis palpebrarum perimeter arm position post-visual period practice present procedure Psychol Psychology pupil pupillary pupillary reflex records reflex wink repetitions responses retinal sensitivity retroactive inhibition scale Scientific Group score scotoma sound stimulus stimulus words surrounding field Table telegraph key telegraph sounder tests threshold tion total number training series training stimuli trials variable Violet vision visual acuity voluntary reaction wave-length White Yellow
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Página 123 - For further discussion of this subject, the reader is referred to the original article by Weiler (19, especially 181-182).
Página 341 - ... temperature of the room as nearly constant as possible. The objective slit was of fixed breadth, 0.446 mm., and adjustable in length in half millimeter steps. Space will not be taken here for a description of the device by which these adjustments were made. In brief, it consists of two knife-edged jaws, moving in the vertical, operated by means of a ratchet and spring. The length of aperture attainable ranged from 0-12 mm. The length used for the work on the eye in these experiments was 2.027...
Página 49 - Ci (blue bulb) Mazda lamp operated by ammeter and rheostat control is used as the source of light. This is the ordinary blue bulb commercial lamp and gives only approximate daylight quality. The surface of the bulb is acid-etched to diffuse the light. The intensity of light incident on the perimeter arm when this lamp is used as source of light is 17 foot-candles. (b) A ty.pe C (clear bulb) Mazda lamp of FIG.
Página 118 - ... in all forms of ametropia. The hypermetrope has to use his accommodation in excess of his convergence, and the myope his convergence in excess of his accommodation. The amount of dissociation which is possible is not, however, unlimited; it can be increased by practice, and it varies with different individuals and in the same individual at different times. The effort to dissociate the two may give rise to no trouble, while, on the other hand, it may be the cause of considerable distress ; indeed,...
Página 36 - ... impede thought, and that the general theorem does hold that any disturbance whatsoever in the concrete particulars reasoned about will interfere with reasoning.
Página 44 - ... its state of adaptation, breadth of pupil, and the brightness of the preexposure and of the background or surrounding field. The most important of these from the standpoint of the office or clinic are perhaps the intensity of the stimulus, the brightness of the preexposure and the surrounding field, the intensity of the general illumination, and the accuracy and steadiness of fixation. Perhaps errors jn refraction should be included in the above list of factors.
Página 31 - any disturbance whatsoever in the concrete particulars reasoned about will interfere somewhat with the reasoning, making it less correct or slower or both.
Página 309 - ... the cardio-pneumopsychograms and checked by confession there are marked changes in the records. These deviations are so definite that they can be differentiated from the rest of the record. The effect of the repression varies according to the temperament and physical character of the individual. Thus there may be an increase or decrease in frequency, a marked depression or excitation, or a more or less summative effect. In all cases of deception yet encountered the curve differs for that of the...
Página 224 - FINDINGS. — Any pathologic condition which may become worse or interfere with the proper functioning of the eyes under the fatigue and exposure of flying disqualifies.
Página 211 - Army, who is not responsible for any opinion expressed or conclusions reached herein.