Prof. G. T. Ladd

Hicks, Granville

doi:10.1038/108023a0

Cited by 2 publications

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“…Therefore, it seems that differences in experimental procedure are the reason for the differences in the literature. In studies in which a continuous intravenous infusion of secretin was given, secretin in a dose of 2 CU/kg/h was effective in reducing ab sorption [3][4][5]7]. Secretin in a dose of 1 CU/kg/h inhibited jejunal absorption in our and in another study [4]; however, it was not effective in two other studies [5,7], Exploration of the dose response of je junal absorption to a continuous intrave nous infusion of secretin would clarify the lowest dose of secretin required to reduce absorption in the jejunum.…”

Section: Discussionmentioning

confidence: 99%

“…Previous workers showed that secretin inhibited the absorption of water and elec trolytes or glucose from the jejunum of the rat [2] and man [3][4][5]7], although there have been reports that secretin had no ef fect upon the absorption from the jejunum of the hamster [1] and rat [6,10,11], Se cretin did not reduce jejunal absorption, when it was given in an in vitro system [1], under anesthesia by pentobarbital [6,10,11], or by single intravenous injection [6,10], On the contrary, secretin was effective in reducing absorption when it was given by continuous intravenous infusion to con scious humans [3][4][5]7] and to our sedated dogs. Therefore, it seems that differences in experimental procedure are the reason for the differences in the literature.…”

Section: Discussionmentioning

confidence: 99%

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Effect of Secretin and Caerulein on the Absorption of Water, Electrolytes and Glucose from the Jejunum of Dogs

1986

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The effects of secretin and caerulein on the absorption of water, sodium, potassium and glucose from the jejunum of dogs were investigated. Intravenous infusion of 1 clinical unit (CU; 82 pmol/kg/h) of secretin inhibited jejunal absorption of water, sodium and glucose compared to control period. Adding an intravenous infusion of 0.4 μg (300 pmol)/kg/h of caerulein to the infusion of secretin, the jejunal absorption rates of water, sodium and glucose were restored to control values. Intravenous infusions of 0.2 and 0.4 μg/kg/h of caerulein induced no significant difference in the absorption compared to control. Thus it seems that secretin inhibits the absorption of water, sodium and glucose from the jejunum of dogs and caerulein, added to secretin, reverses the effect of secretin.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Effect of Secretin and Caerulein on the Absorption of Water, Electrolytes and Glucose from the Jejunum of Dogs

1986

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“…The life and work of Wundt have been referred to or reviewed by Kraepelin (51), Titchener (90,91), Wirth (106), by his American Students (84), and by an anonymous writer (120). Ladd's work has been eulogized by Hicks (47), and Seashore (79). Brentano has been given his place temporarily in the science by Kraus (52), and Titchener (89).…”

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confidence: 99%

Contributions to the history of psychology--1916-1921.

Griffith¹

1922

Psychological Bulletin

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Contributions to the history of psychology since 1915 fall naturally into two groups. There are, on the one hand, the systematic and the experimental studies which have made the science six years older. There are, on the other hand, the historical and biographical notes and the large and searching retrospections which relate contemporary psychology to earlier stages in the development of the science. It is to an enumeration of these contributions that the present paper is devoted. We cannot, of course, comment in detail upon the character of contemporary psychology, for an historian, speaking of his own times is like the Hawaiian surf-rider who seeks to judge the incoming tide from his experiences while riding a single wave; but it is possible to get a certain amount of information about the current trend of a science by considering events of various kinds which reflect or which have, presumably, influenced its general course. These events taken in conjunction with what appear, at the present moment, to be outstanding experimental and systematic studies may give a suggestion of the history of the last few years.In psychology, as well as in many other sciences, the most important event, during the period under survey, was the World War. The science of psychology was, as all know, well on the way toward complete mobilization for military purposes when the war ended. Since many of the consequences of this reorganization have not yet appeared, a detailed account of this aspect of the period must fall to a future historian. A few facts are, however, available. For example, more than a fourth of the members of the American Psychological Association entered military service in special 411

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Prof. G. T. Ladd

Cited by 2 publications

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Effect of Secretin and Caerulein on the Absorption of Water, Electrolytes and Glucose from the Jejunum of Dogs

Effect of Secretin and Caerulein on the Absorption of Water, Electrolytes and Glucose from the Jejunum of Dogs

Contributions to the history of psychology--1916-1921.

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