Humans born without a corpus callosum (CC) are often comparatively slow and clumsy on tasks requiring bilateral motor coordination. In this study, we attempted to identif[...]

We compared the behaviors of eight inbred mouse strains across 18 variables, using 11 behavioral assays, and gave ethanol (EtOH) as an intoxicant. Genetic influences on b[...]

Vreeke (this issue) asserts: "If you hold that reality is interactive, but use methods which presuppose the separateness of genes and the environment, your are stuck with[...]

Increased use of gene manipulation in mice (e.g., targeted or random mutagenesis) has been accompanied by increased reliance on a very few rapid and simple behavioral ass[...]

Do structures exist within the embryonic central nervous system that guide axons across the midline during development of the great cerebral commissures (corpus callosum,[...]

Rapid advances in biotechnology have created new demands for tests of mouse behaviour having both high reliability and high throughput for mass screening. This paper disc[...]

A gene is a macromolecule which codes for the structure of a protein. Lehninger (1967) points out, "The ascent from simple self-assembling systems such as oligomeric prot[...]

Benbow argues that, because she can find no environmental differences to explain a small sex difference in Scholastic Aptitude Test-Mathematics (SAT-M) scores in a highly[...]

The design of a rodent running wheel with adjustable drag and ability to measure accurately the direction as well as the speed of running is described. A computer program[...]

The latency of mice and rats to fall from the accelerating rotarod can differ markedly between laboratories using the same brand of rod as well as between studies using d[...]

Cockroaches (Periplaneta americana) learned to passively avoid electric shock in a two-compartment box after a single training trial. However, Ss exposed to CO2 gas immed[...]

The effects of c and rd on jump-out and one-way avoidance learning were examined using both inbred strains and test crosses. Neither gene was found to retard either escap[...]

Hereditary absence of the corpus callosum (CC) provides an ideal experiment of nature for exploring mechanisms of axon guidance. In this study the prenatal development of[...]

Inbred BALB/c mice are genetically the same, yet less than half of adults show absent or small corpus callosum. Is this because only a minority has prenatal defects of th[...]

Six inbred strains of adult mice either obtained from commercial suppliers or bred in the author's laboratory at Waterloo were assessed for size of body, brain and corpus[...]

The mouse strain ddN from Japan was crossed with three other inbred strains prone to absence of the corpus callosum (BALB/cWahl, I/LnJ and 129/ReJ), and at least one brai[...]

A time scale for postnatal development was devised by testing separate litters of mice on 10 consecutive days (27.0-36.0 gestation days, or 8.5-17.5 days after birth) for[...]

It is sometimes supposed that standardizing tests of mouse behavior will ensure similar results in different laboratories. We evaluated this supposition by conducting beh[...]

The submerged platform or Morris water escape task is widely used to study genetic variation in spatial learning and memory, but interpretation is sometimes difficult bec[...]

Digit ratio (2D:4D) is a trait, which is sexually differentiated in a variety of species. In humans, males typically have shorter second digits (2Ds) (index fingers) comp[...]

The second to fourth digit ratio (2D:4D) is sexually differentiated in a variety of species, including humans, rats, birds, and lizards. In humans, this ratio tends to be[...]

In "Phylogeny" Skinner makes two points quite effectively. First, he argues that it is not possible to know either the phylogenetic or the ontogenetic origin of a behavio[...]

Sex dimorphism occurs when group means differ by four or more standard deviations. However, the average size of the corpus callosum is greater in males by about one stand[...]

In three experiments the following results were obtained: (a) Activity was greater both prior to and following exposure to shock among C57BL/6J mice than in DBA/2J mice, [...]

Mice from eight inbred strains were studied for their acute sensitivity to ethanol as indexed by the degree of hypothermia (HT), indexed as the reduction from pre-injecti[...]