Lateralized behavior and lymphocyte counts in chimpanzees (<i>pan troglodytes</i>): A cross‐sectional and longitudinal assessment

Hopkins, William D.; Parr, Lisa A.

doi:10.1080/87565649809540726

Cited by 3 publications

(3 citation statements)

References 41 publications

(40 reference statements)

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“…Thus, it is preferable to investigate the influence of age and the effects of other variables on the development of hand preferences using a longitudinal design. Very few studies have examined the ontogeny of lateralization in nonhuman primates using longitudinal techniques (Bard, 1998;Bard, Hopkins, & Fort, 1990;Choranzyna, 1976;Fagot, 1993;Hopkins & Parr, 1998). Moreover, the longitudinal studies that have been conducted were focused on a limited number of subjects (Choranzyna, 1976;Fagot, 1993) or sampled only a short time period in the subjects' early life (Bard, 1998;Bard et al, 1990;Fagot, 1993;Hopkins & Parr, 1998).…”

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confidence: 99%

“…Very few studies have examined the ontogeny of lateralization in nonhuman primates using longitudinal techniques (Bard, 1998;Bard, Hopkins, & Fort, 1990;Choranzyna, 1976;Fagot, 1993;Hopkins & Parr, 1998). Moreover, the longitudinal studies that have been conducted were focused on a limited number of subjects (Choranzyna, 1976;Fagot, 1993) or sampled only a short time period in the subjects' early life (Bard, 1998;Bard et al, 1990;Fagot, 1993;Hopkins & Parr, 1998). Thus, our goal in the present study was to use longitudinal sampling to examine the development of (a) hand use (bimanual vs. unimanual) for food holding, (b) hand preferences for food holding, and (c) preferred feeding postures in common marmosets (Callithrix jacchus).…”

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confidence: 99%

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Development of hand preferences in marmosets (Callithrix jacchus) and effects of aging.

Hook¹,

Rogers²

2000

Journal of Comparative Psychology

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The authors investigated the development of unimanual hand use and hand preferences during feeding in 15 marmosets (Callithrix jacchus), ages birth to 51-70 months. Bimanual hand use was common at 1-2 months, but by 5-8 months unimanual holding had developed and so had significant hand preferences. Half of the marmosets preferred to pick up and take food to the mouth with the left hand, and half preferred the right hand. Individuals maintained the same hand preference at all ages examined. Significant relationships were also found between the postures adopted during feeding and the direction of hand preferences displayed by juvenile marmosets. There was a positive correlation between increased suspension and increased left-hand preference, and a negative correlation between increased feeding in a tripedal posture and increased left-hand preference. These results are discussed in terms of motor development and hemispheric specialization.

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confidence: 99%

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confidence: 99%

Development of hand preferences in marmosets (Callithrix jacchus) and effects of aging.

Hook¹,

Rogers²

2000

Journal of Comparative Psychology

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“…These data suggest that affect may be tied to hemispheric specialization (for a discussion of current hypotheses on emotional lateralization and hand use, see [15]). Extending developmental links further, Hopkins and Parr [70] found a positive correlation between hand-to-mouth laterality at 3 months and lymphocyte counts (a global marker of immunological functioning) at 1 year of age, but no link was found between neonatal hand-to-mouth laterality and juvenile hand preference for reaching measured at 2-4 years of age. Biases have also been found for leading limb in crawling [65], grasping strength [67], and supine head orientation [62].…”

Section: Developmental Rigor In Ape Studiesmentioning

confidence: 97%

Systematic Review: The Development of Behavioral Laterality Across the First Year of Life in Nonhuman Primates

Nelson

Karimi

2023

Symmetry

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Unlike in human research, infants are poorly represented in the literature on nonhuman primate laterality. Studies have traditionally measured adults, a trend captured by prior reviews. The extent of the knowledge gaps related to laterality measured early in the lifespan is unknown. As a starting point, this systematic review examined the evidence on behavioral laterality across the first year of life in nonhuman primates using the PRISMA guidelines. The inclusion criteria were at least one measure of behavioral laterality in at least one subject < 1 year old. Database searches were conducted in PsycINFO, PubMed, and OVID Medline using the filterNHP search builder tool, and additional records were identified through citation searching. Two independent reviewers screened abstracts and full texts; 47 articles were retained (0 prosimian, 6 platyrrhine, 27 catarrhine, and 14 ape studies). Macaca and Pan were overrepresented. Nipple preference was the most-studied behavior, followed by hand preference. Modifying how data are collected and analyzed will increase developmental rigor in primate studies. To facilitate comparisons with the human infant literature, we suggest measuring a behavior more than once to test for change or continuity in preference over time and measuring different behaviors at different timepoints to test for potential developmental cascades.

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Evolution of Side Biases: Motor versus Sensory Lateralization

Rogers¹

2002

Side Bias: A Neuropsychological Perspective

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Lateralized behavior and lymphocyte counts in chimpanzees (pan troglodytes): A cross‐sectional and longitudinal assessment

Cited by 3 publications

References 41 publications

Development of hand preferences in marmosets (Callithrix jacchus) and effects of aging.

Development of hand preferences in marmosets (Callithrix jacchus) and effects of aging.

Systematic Review: The Development of Behavioral Laterality Across the First Year of Life in Nonhuman Primates

Evolution of Side Biases: Motor versus Sensory Lateralization

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