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Behavioural laterality as a predictor of health in captive Caribbean flamingos (Phoenicopterus ruber): an exploratory analysis.
The present study sought to explore the possibility that lateral behaviour in captive Caribbean flamingos (Phoenicopterus ruber) housed at the Philadelphia Zoo (Philadelphia, PA) could be used to predict a variety of physiological measures of health obtained via complete blood counts (CBC) and plasm...
Relationships between hand laterality and verbal and spatial skills in 436 healthy adults balanced for handedness.
These results elucidated some discrepancies among previous findings in laterality factors and cognitive skills. Laterality factors had small effects compared to the adverse effects of age for spatial cognition and verbal memory, the positive effects of education for all three domains, and the effect...
Behavioural laterality as a factor in emotional regulation.
We examined whether behavioural laterality predicted the efficacy of different emotional regulation strategies. Specifically, we thought that behavioural laterality would influence verbal strategies (associated with left hemisphere activation) when regulating anxiety (associated with right hemispher...
Volume 17, 2012, list of contents, author index, and list of reviewers.
Lateralised covert attention in word identification.
We investigated whether such advantage involves lateralised covert attention, in the absence of overt fixations on prime words. In a lexical decision task target words were preceded by an identical or an unrelated prime word. Eye movements were monitored. In Experiment 1 lateralised (to the left or...
Stability of motor lateralisation in maturing dogs.
Previous studies of motor laterality in dogs have produced some conflicting results, with inconsistencies in lateral biases across sexes, over time, and across tasks. The current study modified published food-retrieval and tape-removal tests before applying them to 43 dogs. It showed that results de...
Handedness in Great Britain.
Two large British databases of handedness assessed by writing hand at 10-11 years of age were analysed by geographical region. Left-handedness was found to vary significantly across regions according to one survey but not the other. In both data sets, left-handed writing was significantly more frequ...
Evolution of hemispheric specialisation of antagonistic systems of management of the body's energy resources.
I show that autonomic, immune, psychomotor, motivational, perceptual, and memory systems are similarly and coherently specialised in the brain hemispheres in rodents and man. This energy resource management model, extended to human neuropsychology, is termed here the "psychic tonus" model of hemisph...
Laterality of horses associated with emotionality in novel situations.
We have established that lateral biases are characteristic of visual behaviour in 65 horses. Two breeds, Trotters and French Saddlebreds aged 2 to 3, were tested on a novel object test. The main finding was a significant correlation between emotionality index and the eye preferred to view the novel...
Right hemispheric dysfunction in schizophrenia.
This study uses the Poffenberger (1912) paradigm, which compares the difference between "crossed" (stimuli and motor response areas are contralateral) and "uncrossed" (stimuli and motor response areas are ipsilateral) conditions to estimate interhemispheric transfer time. Simple reaction time (RT) w...