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Cited by 303

The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.

A quantitative dendritic analysis of wernicke's area in humans. II. Gender, hemispheric, and environmental factors

Jacobs, Bob, Schall, Matthew, Scheibel, Arnold B.·1993·Journal of Comparative Neurology
DOI 10.1002/cne.903270108
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Abstract

This quantitative Golgi study extends our investigation of relationships between cortical dendrite systems in humans and higher cognitive functions. Here we examine the relationship between the basilar dendrites of supragranular pyramidal cells in Wernicke's area and selected intrinsic (i.e., gender and hemisphere) and extrinsic (i.e., education and personal history) variables. Tissue was obtained from 20 neurologically normal right‐handers: 10 males (M age = 52.2) and 10 females (M age = 47.8). Several independent variables were investigated: GENDER (male, female), HEMISPHERE (left, right), and EDUCATION (less than high school, high school, and university). These were evaluated according to Total Dendritic Length, Mean Dendritic Length, and Dendritic Segment Count. A distinction was made between proximal (1st, 2nd, and 3rd order) and ontogenetically later developing distal (4th order and above) branches. There was significant interindividual variation in dendritic measurements, which roughly reflected individuals' personal backgrounds. Females exhibited slightly greater dendritic values and variability than males across the age range examined. On the whole, the left hemisphere maintained a slight advantage over the right hemisphere for all dendritic measures when all subjects were pooled, but these differences were not in a consistent direction across individuals. Education had a consistent and substantial effect such that dendritic measures increased as educational levels increased. Dendritic differences between independent variable levels were most clearly illustrated in the total dendritic length of 3rd and 4th order branches. Distal dendritic branches appeared to exhibit greater epigenetic flexibility than proximal dendrites. The present findings concur with environmental enrichment research results in animals and suggest that dendritic systems in humans function as a sensitive indicator of an individual's (a)vocational activities. © 1993 Wiley‐Liss, Inc.

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Metadata

Authors
Jacobs, B., Schall, M., & Scheibel, A. B.
Venue
Journal of Comparative Neurology
Publisher
Wiley
Published
1993-01
Volume
327
Issue
1
Pages
97-111
ISSN
  • 0021-9967 (ISSN-L)
  • 1096-9861
DOI
10.1002/cne.903270108
OpenAlex
W2095878357
Cited by
303
References
8
FWCI
8.95
Type
journal article
Language
en
Open access
closed

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