Social factors affecting emotionality and resistance to disease in animals: I. Age of separation from the mother and susceptibility to gastric ulcers in the rat.

Ader, Robert; Tatum, Ronald; Beels, C. Christian

doi:10.1037/h0044570

Cited by 63 publications

(27 citation statements)

References 12 publications

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“…Up until now, nutritionally oriented workers have shown a great interest in growth and brain development (e.g., Callison & Spencer, 1968;Culley & Lineberger, 1968;Mourek et al, 1967), while behaviorally oriented researchers have concentrated on emotional behavior and on the functions of the autonomic and neuroendocrinological systems (,e.g., Ader & Friedman, 1965;KIeCek & Palatjr, 1967;Levine et al, 1967) resulting from manipulations of the pre-weaning environment. Not only may the components of early environment have different effects on these functions, but these dependent variables may also themselves be interrelated.…”

Section: Future Studiesmentioning

confidence: 98%

Studies of undernutrition in the young rat: Methodological considerations

Plaut¹

1970

Developmental Psychobiology

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Gales b urg, IllinoisPlaut, S. Michael (1970). Studies of Undernutrition in the Young Rat: Methodological Considerations. Developmental Psychobiology, 3 ( 3 ) : 157-1 67. Three techniques are generally described as creating a state of undernutrition in the young rat: large litter size, periodic mother-litter separation, and early weaning. Evidence from studies of maternal behavior and early experience suggests that many of the effects seen in "nutritional deprivation" experiments may be due, in part, to the social, thermal and sensory deprivation coincident with maternal deprivation, or t o other factors (such as handling) which are often confounded with maternal deprivation. These other variables must be systematically accounted for before assumptions can be made about the effects of undernutrition per se. development early experience early weaning litter size undernutrition maternal behavior maternal deprivation laboratory rat

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Section: Future Studiesmentioning

confidence: 98%

Studies of undernutrition in the young rat: Methodological considerations

Plaut¹

1970

Developmental Psychobiology

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“…Thus, separation at the 15th to 17th postnatal day has been shown to increase susceptibility to erosions induced by either physical restraint or approach-avoidance conflict (1,2).…”

Section: Introductionmentioning

confidence: 99%

Age at Maternal Separation and Gastric Erosion Susceptibility in the Rat*

Ackerman¹,

Hofer²,

Weiner³

1975

Psychosomatic Medicine

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The development of susceptibility to immobilization-induced gastric erosions was studied in laboratory rats previously separated from their mothers at 15, 21 or 25 days of age. Early separation (day 15) produced animals whose maximum susceptibility occurred at a much younger age, generated a susceptibility curve over life that was the inverse of the curve for animals separated later and led to severe gastrointestinal hemorrhage as a common and distinguishing complication in younger rats. The pathogenesis of erosion formation in early separated rats may be unique in that, for that group only, the food deprivation component of the immobilization paradigm, when presented alone, also produced erosion of the glandular stomach, with hemorrhage.

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“…The longer individuals were exposed to low SES, the higher their allostatic load. In addition, cumulative disadvantage is a powerful predictor of many biological markers of mortality and morbidity (Ackerman et al 1975;Ader et al 1960;Cameron et al 2005;Chida et al 2007;Fenoglio et al 2006;Kruschinski et al 2008;Lyons et al 2009). …”

Section: Timing Versus Duration Of Sed Exposure On Neurobiological Symentioning

confidence: 99%

How Socioeconomic Disadvantages Get Under the Skin and into the Brain to Influence Health Development Across the Lifespan

Kim

Evans

Chen

et al. 2017

Handbook of Life Course Health Development

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Socioeconomic disadvantage (SED) has adverse impacts on physical (Adler and Rehkopf 2008; Blair and Raver 2012; Braverman and Egerter 2008; Cohen et al. 2010; Poulton et al. 2002) and psychological (Adler and Rehkopf 2008; Bradley and Corwyn 2002; Grant et al. 2003) health development. SED is similar to low socioeconomic status (SES) which is based on occupation, income, and education or a composite of more than one of these indicators (McLoyd 1998). However, we conceptualize SED more broadly than socioeconomic status to also include subjective perception of social position and contextual indicators of disadvantage, such as neighborhood deprivation. One of the most commonly used SED indicators is poverty, which is calculated using income that falls below an annually adjusted federal poverty line. Some studies suggest independent effects of different SED variables, but each variable tends to be highly correlated with the others; thus, it is often nearly impossible to disentangle independent effects. Therefore, in this chapter, we will review findings on different SED variables but discuss the impact of SED inclusively. In adulthood, SED is assessed based on factors in an individual’s own background such as income, occupation, and education level, whereas in childhood, SED is typically assessed based on these factors for the parents.

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Social factors affecting emotionality and resistance to disease in animals: I. Age of separation from the mother and susceptibility to gastric ulcers in the rat.

Cited by 63 publications

References 12 publications

Studies of undernutrition in the young rat: Methodological considerations

Studies of undernutrition in the young rat: Methodological considerations

Age at Maternal Separation and Gastric Erosion Susceptibility in the Rat*

How Socioeconomic Disadvantages Get Under the Skin and into the Brain to Influence Health Development Across the Lifespan

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