Handedness hangups and species snobbery

Denenberg, Victor H.

doi:10.1017/s0140525x00054297

Cited by 7 publications

(3 citation statements)

References 94 publications

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“…Some are of the opinion that only humans have species-typical behavioral lateralization and that this condition must have arisen in the early hominids (Corballis, 1981, 1983; Steklis, 1986; Warren, 1980). Others observe that lateral biases in vertebrate brain and behavior are ubiquitous (Bradshaw, 1988; Denenberg, 1981, 1988; Geschwind & Galaburda, 1984; Glick, 1985; Rogers, 1986, 1989; Walker, 1980) and propose that human lateralization must have had its origins in the earliest stages of development of the primate order (MacNeilage et al, 1987; Ward, in press-a, in press-b). This controversy seems to result, at least in part, from the paucity of evidence of lateral biases that are directly analogous in human and nonhuman primate behavior.…”

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confidence: 99%

Multiple measures of motor lateralization in human primates (Homo sapiens).

Seltzer¹,

Forsythe²,

Ward³

1990

Journal of Comparative Psychology

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Laterality was assessed in 100 human (Homo sapiens) subjects through the use of five measures of motoric behavior in three categories: locomotor, manual, postural. Locomotor measures included leading limb for initiation of walking and whole-body turning. Performance and questionnaire measures were used to assess lateral hand bias. Postural bias was assessed as the weight distribution in quiet standing. Population-level biases on the manual and leading limb measures were to the right; on posture and turning, to the left. Locomotor measures were found to be altered by marching experience. Only the manual measures were correlated. We compare the results with those of nonhuman primate studies that have used similar measures and discuss some patterns of laterality common to human and nonhuman primates.

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mentioning

confidence: 99%

Multiple measures of motor lateralization in human primates (Homo sapiens).

Seltzer¹,

Forsythe²,

Ward³

1990

Journal of Comparative Psychology

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“…Such an analysis is warranted only when the separate sample sizes are small and the data have been collected without the possibility of controls, which might usually be the case for handedness in primates but is certainly not the case for much of the research on other forms of functional, and in some cases structural, lateralisation in birds (chicks and pigeons especially), rats (and note that Crow ignores the wealth of data by Denenberg and colleagues showing hemispheric specialisation in rats; e.g., Denenberg, 1981) and now even lower vertebrates (Malashichev & Rogers, 2002). The case for cerebral lateralisation (not handedness) in primates is only marginally less strong (for obvious reasons there have been fewer studies) but it is a mistake to argue that it is nonexistent, as Denenberg pointed out long ago (Denenberg, 1988; see also Hopkins & Carriba, 2002). Crow, and he is not alone here, equates``lateralisation'' with``handedness''.…”

Section: Rogersmentioning

confidence: 99%

Book review Leaping to laterality and language: The case against

Rogers¹

2004

Laterality: Asymmetries of Body, Brain and Cognition

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“…Throughout the history of the brain and behavioral sciences, it has been largely accepted that cerebral lateralization was a unique feature of the human brain, particularly for functions underlying language and hand preference (Glick et al 1979; MacNeilage et al 1987; Denenberg 1988). However, accumulated evidence now supports the existence of lateralization at the structural and functional levels in a range of species.…”

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Laterality in Animals: Relevance to Schizophrenia

Cowell

Fitch

Denenberg

1999

Schizophrenia Bulletin

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Anomalies in the laterality of numerous newocognitive dimensions associated with schizophrenia have been documented, but their role in the etiology and early development of the disorder remain unclear. In the study of normative neurobehavioral organization, animal models have shed much light on the mechanisms underlying and the factors affecting adult patterns of both functional and structural asymmetry. Nonhuman species have more recently been used to investigate the environmental, genetic, and neuroendocrine factors associated with developmental language disorders in humans. We propose that the animal models used to study the basis of lateralization in normative development and language disorders such as dyslexia could be modified to investigate lateralized phenomena in schizophrenia.Key words: Animal models, laterality in animals, functional and structural asymmetry, language, hand preference.Schizophrenia Bulletin, 25(l):41-62,1999.Throughout the history of the brain and behavioral sciences, it has been largely accepted that cerebral lateralization was a unique feature of the human brain, particularly for functions underlying language and hand preference (Glick et al. 1979;MacNeilage et al. 1987; Denenberg 1988). However, accumulated evidence now supports the existence of lateralization at the structural and functional levels in a range of species. A portion of the literature on animal laterality will be discussed in this article, but the reader is referred to a number of recent, comprehensive reviews for more detailed coverage of functional, anatomical, and neurochemical asymmetries in nonhuman species (Denenberg 1984; Diamond 1984;Gerendai 1984;Goldman-Rakic and Rakic 1984; Bianki 1988;Springer and Deutsch 1989;Ward 1991;Hellige 1993;Hiscock and Kinsbourne 1995).Despite the large and growing literature describing behavioral, neuroanatomical, and neurophysiological asymmetries in nonhuman species, research on animal laterality has not been well integrated into the mainstream of human brain research. Nevertheless, a few investigators have demonstrated success in applying animal models of laterality to the study of human brain development and behavioral disorders. For example, Denenberg, Fitch, Rosen, and colleagues have used rodents to model the anomalous laterality patterns associated with developmental dyslexia and language impairment (Rosen et al.

show abstract

Handedness hangups and species snobbery

Cited by 7 publications

References 94 publications

Multiple measures of motor lateralization in human primates (Homo sapiens).

Multiple measures of motor lateralization in human primates (Homo sapiens).

Book review Leaping to laterality and language: The case against

Laterality in Animals: Relevance to Schizophrenia

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