Страница - 99Страница - 101- Fatigue,
- absence of, under certain conditions,
- apparent, with increased frequency of stimulation,
- diminution of response under strong stimulus due to, in plant, [57]
- in metal, [118], [119], [185]
- in muscle, [118], [185]
- in plant, [20], [185]
- rapid, under continuous stimulation
- removal of, by rest in plant, [43]
- theory of, in muscle, [38], [185]
- Holmgren on retinal current, [149]
- Hysteresis, [137]
- Injury, current of, in nerve, [7]
- Inorganic response. See Metal, electrical response in
- Kuhne on retinal current, [149]
- Kunkel on electrical changes by injury or flexion in plant, [14], [70]
- Light,
- after-effect of short exposure to,
- decline and reversal of response under continuous,
- effect of temperature on
- response of photo-sensitive cell produced by, [158]
- retinal response produced by, [158]
- relation between intensity and response to,
- response to,
- after-oscillation in photo-sensitive cell, [159], [163]
- effect of increasing length of exposure
- in frog’s retina, [150], [151], [156], [164], [166]
- in photo-sensitive cell, [152], [153], [154], [155], [157], [165], [166]
- McKendrick on retinal response, [149]
- Mechanical
- recorder, [3]
- response, [1]
- stimulus
- by electric tapper, [24]
- by spring-tapper, [23]
- by vibrator, [24]
- conditions of maintaining uniformity of, [26]
- means of graduating intensity of, [22], [24], [96]
- Metal, electric response in,
- abnormal, [125]
- abolition of, by ‘poison,’ [143]
- additive effect of superposition of stimulus on, [135]
- annealing, effect of, on, [101]
- by method of
- depressants, effect of, on, [142]
- diphasic, [113], [114], [115], [116], [188]
- enhancement of, after continuous stimulation, [127], [128], [186]
- fatigue, [118], [119], [120], [121], [185]. See also Fatigue
- maximum effect due to superposition of stimuli, [136]
- modified, [129]
- ‘molecular arrest,’ effect of, by ‘poison’ on, [145]
- molecular friction, effect of, on, [108], [109]
- prolongation of recovery
- relation between, and stimulus, [134], [135]
- staircase effect, [122], [186]
- stimulant, effect of, on, [141]
- temperature, effect of, on, [111]
- uniform, [102], [184]
- Minchin on photo-electric cell, [165]
- Molecular
- Munck on electric response in sensitive plants, [14]
- Muscle, fatigue in, [38], [39], [40], [42]. See also Fatigue
- prolongation of recovery by ‘poison’ in, [144]
- relation between stimulus and response in, [52]
- staircase effect in, [122]
- stimulus, effect of superposition of, on, [36]
- Myograph, [2]
- Negative variation, response by method of,
- Nerve,
- current of injury in, [7]
- injured and uninjured contacts corresponding to Cu and Zn in voltaic couple, [8]
- response in,
- abnormal, when stale, [124], [187]
- abolition of, by ‘poison,’ [139], [189]
- anæsthetics, effect of, on, [72]
- by method of negative variation, [9]
- current of action of, [8]
- enhancement of, after continuous stimulation, [127]
- modified, [128]
- relation between, and stimulus, [52]
- reversed when stale, [11]
- uniform, [184]
- Nomenclature, anomalies of present, [9], [85]
- Photographic recorder, [11], [22]
- Plant
- chamber, [64]
- electrical response
- in,
- abnormal, when stale or dying, [48], [187]
- abolition of, by high temperature, [32], [64]
- additive effect of stimulus on, [37]
- anæsthetics, effect of, on, [30], [73], [74], [75]
- by method
- diphasic, [46]
- fatigue, [20], [39], [40], [41], [42], [43], [57], [185]. See also Fatigue
- physiological character, [30]
- ‘poison,’ effect of, on, [30], [32], [78], [79]
- relation between, and stimulus, [52], [53], [54]
- staircase effect, [37], [185]
- stimulus,
- effect of single, on, [35]
- effect of superposition of, on, [35]
- temperature, effect of, on, [32], [59]–[69]
- uniform, [36], [184]
- radial E.M. response in, [49]
- Poison,
- effect of, on response
- ‘molecular arrest’ in metal by, [145]
- prolongation of recovery by action of,
- Record, simultaneous mechanical and electrical, of response, [13]
- Recorder,
- Response-curve,
- characteristics of, [3]
- electrical,
- abnormal,
- abolition of,
- by high temperature in plant, [32], [64]
- by ‘poison,’
- additive effect of stimulus on,
- anæsthetics, effect of, on,
- annealing, effect of, on, in metal, [101], [138]
- by method of block, [28], [82], [92]
- by negative variation, [9], [18], [87], [183]
- by relative depression, [87]
- by relative exaltation, [89]
- conditions for obtaining, [6], [86], [87]
- continuous transformation from positive to negative in metal, [115]
- decline and reversal of, under continuous light in photo-sensitive cell, [166]
- decline and reversal of, under continuous light in retina, [166]
- depressants, effect of, on inorganic, [142]
- diminution of. See Fatigue
- diphasic
- dose, effect of,
- enhancement of, after continuous stimulation in metal, [127], [128], [186]
- enhancement of, after continuous stimulation in nerve, [127], [186]
- maximum effect due to superposition of stimulus, [35], [136]
- measure of physiological activity, [13]
- molecular
- friction, effect of, on, [108], [109]
- modification, effect of, on, [11], [48], [123], [125], [129], [164], [187]
- physiological character of, in plant, [30]
- positive and negative, [11]
- prolongation of recovery in, by ‘poison’ in metal, [145]
- prolongation of recovery in, by ‘poison’ in muscle, [144]
- prolongation of recovery in, from overstrain, [106]
- relation between, and stimulus
- staircase effect,
- stimulant, effect of, on, in metal, [141]
- temperature, effect of, on. See Temperature
- threshold of, [135]
- to light. See Light
- uniform
- universal applicability of, [12]
- mechanical, [1]
- retinal. See Light
- simultaneous mechanical and electrical record of, [13]
- Retina. See Light
- Sanderson, Burdon-, on electrical response in sensitive plants, [14]
- Spring-tapper, mechanical stimulus by, [23]
- Staircase effect
- Steiner on retinal response, [149]
- Stimuli, maximum effect due to superposition of,
- Stimulus,
- advantages of vibrational, [25]
- and response, relation between,
- effect of different kinds of, [2]
- mechanical,
- by spring-tapper, [24]
- conditions for maintaining uniformity of, [26]
- means of graduating intensity of, [22], [96]
- vibrational, [24], [25], [26]