Thesis (Ed.D.)--University of Tulsa, 1987. / Bibliography: leaves 74-78.

Thesis (Ed.D.)--University of Tulsa, 1987. / Bibliography: leaves 74-78.

Thesis (B.Sc. (Hons.)) -- from the Department of Psychology, University of Adelaide, 1977.

Thesis (M. Phil.)--University of Hong Kong, 2005. / Title proper from title frame. Also available in printed format.

Thesis (B.Sc)--University of Hong Kong, 1992. / A dissertation submitted in partial fulfilment of the requirements for the Bachelor of Science (Speech and Hearing Sciences), University of Hong Kong, April, 30 1992. Also available in print.

Musicians comprise a unique population whereby persistent musical practice involving complex cognitive and motor tasks dates back to childhood when the potential for neural plasticity is at its highest. Accordingly, it has been speculated that musical training results in neural structural and functional differences between musicians and non-musicians. In particular, there is evidence to indicate parietal regions are more equally lateralized in musicians, but research investigating visuospatial abilities and lateralization in musicians is scarce. Studies 1 and 2 aimed to assess the visuospatial ability and cognitive processing speed of adult musicians versus ‪demographically and educationally matched non-musicians. ‪Musicians performed more quickly and more accurately than non-musicians in two tasks of visuospatial ability, and completed more items than non-musicians in three tasks of processing speed, suggesting ‪musicians had better ‪visuospatial ability and a faster speed of processing. Studies 3 and 4 aimed to investigate ‪visuospatial attention in ‪these groups using a line-bisection task and a visual discrimination task. On both tasks musicians demonstrated more balanced visuospatial attention with a slight bias to the right hemispace, which was in contrast to the non-musicians’ bias to the left hemispace, a natural phenomenon known as ‘right pseudoneglect’. In Study 5, the laterality of visual processing in musicians and non-musicians was further investigated by comparing electrophysiological interhemispheric transfer time (IHTT) of lateralized visual stimuli across the corpus callosum. Non-musicians had faster right-to-left than left-to-right IHTT consistent with previous research, whilst musicians had more balanced IHTT in both directions and faster left-to-right transfer than non-musicians. Absolute latency patterns revealed similar results and consistently demonstrated more balanced visual processing in musicians. The behavioural data, analysed in Study 6, revealed a tendency (n.s.) for the ‪musician group to respond more quickly to stimuli presented in the right visual field than to stimuli presented in the left visual field, whilst ‪non-musicians did not show this pattern. Overall, the results indicate that musicians have enhanced visuospatial ability and are less lateralized for visuospatial attention and perception than non-musicians. The results are discussed in relation to plastic developmental changes that may be caused by extended musical training from childhood. Specifically, it is proposed that musical training in early life may elicit a process of myelination that is more bilaterally distributed than myelination in non-musicians.

No description available.

In the majority of the depression literature, there has been little attention paid to the mechanisms underlying the differences that occur among individuals with this label. In a theoretical paper by Shenal, Harrison, and Demaree (2003), they proposed that the differences in depression symptomology may be due to differences in the function (and dysfunction) of the right and left frontal lobes. They go on to explain that each frontal lobe may have a direct influence on patterns of depression symptomology. In the current experiment there was an effort to look at performance differences among depressed and non-depressed males on a tests of affective memory (AAVLT) and functioning for the left (COWAT) and right (RFFT) frontal lobes. Results were non-significant for group based differences but other significant effects were found. Reliable findings included a primacy effect for the recall of words from the negative word list from the AAVLT, whereas t a "normal" primacy and recency effects were found for the recall of positive and neutral word lists. There were also significant differences (across trials) for both groups suggesting a "normal" learning curve. It is thought that the non-significant comparisons among the groups are likely due to the qualitatively mild depression scores among participants, which is likely not adequate to capture the level of dysfunction discussed in the original hypothesis. / Master of Science

No description available.

by Diana Robertson-Dunn. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1995. / Includes bibliographical references (leaves 123-132). / Bibliography --- p.viii / Summary --- p.ix / List of Tables --- p.xi / List of Figures --- p.xi / Chapter Chapter One --- Introduction / Chapter 1.1. --- Cerebral asymmetry --- p.1 / Chapter 1.2. --- Functional asymmetry / Chapter 1.2.1. --- Cerebral dominance and laterality --- p.2 / Chapter 1.2.2. --- Speech --- p.2 / Chapter 1.2.3. --- Handedness --- p.3 / Chapter 1.3. --- Morphological asymmetry --- p.4 / Chapter Chapter Two --- Literature review and aim of the research / Chapter 2.1. --- Scope of the literature search --- p.6 / Chapter 2.2. --- Asymmetries of the cerebral hemispheres / Chapter 2.2.1. --- Introduction --- p.6 / Chapter 2.2.2. --- Weight assessments at post-mortem --- p.6 / Chapter 2.2.3. --- Volume assessments at post-mortem --- p.7 / Chapter 2.2.4. --- Volume assessments from CT and MR images --- p.8 / Chapter 2.2.5. --- Summary --- p.11 / Chapter 2.3. --- Asymmetries of the temporal lobes and the Sylvian fissures / Chapter 2.3.1. --- Introduction --- p.12 / Chapter 2.3.2. --- Asymmetries identified at post-mortem --- p.12 / Chapter 2.3.3. --- Asymmetries identified from arteriograms --- p.17 / Chapter 2.3.4. --- Asymmetries identified on CT and MR images --- p.18 / Chapter 2.3.5. --- Summary --- p.21 / Chapter 2.4. --- Asymmetries of the occipital and frontal lobes / Chapter 2.4.1. --- Introduction --- p.22 / Chapter 2.4.2. --- Asymmetry of the occipital lobes --- p.22 / Chapter 2.4.3. --- Asymmetry of the frontal lobes --- p.24 / Chapter 2.4.4. --- Asymmetries of both occipital and frontal lobes in vitro --- p.26 / Chapter 2.4.5. --- Asymmetries of both occipital and frontal lobes in vivo --- p.28 / Chapter 2.4.6. --- Summary --- p.35 / Chapter 2.5. --- Reported levels of left handedness / Chapter 2.5.1. --- Introduction --- p.37 / Chapter 2.5.2. --- Worldwide assessment of handedness --- p.37 / Chapter 2.5.3. --- Use of left hand for writing --- p.39 / Chapter 2.5.4. --- Use of the left hand for writing amongst Chinese in Taiwan and Hong Kong --- p.39 / Chapter 2.5.5. --- Summary --- p.41 / Chapter 2.6. --- Reported differences amongst Chinese and other racesin behavioural and morphological asymmetries / Chapter 2.6.1. --- Introduction --- p.41 / Chapter 2.6.2. --- Racial differences of brain morphology in vitro --- p.42 / Chapter 2.6.3. --- Racial differences of brain morphology in vivo --- p.42 / Chapter 2.6.4. --- Racial differences relating to speech --- p.44 / Chapter 2.6.5. --- Chinese attitudes to use of the left and right hands --- p.44 / Chapter 2.6.6. --- Summary --- p.44 / Chapter 2.7. --- Choice of method / Chapter 2.7.1. --- Choice of CT for morphological brain measurements --- p.45 / Chapter 2.7.2. --- Choice of linear measurements to assess morphological asymmetries --- p.46 / Chapter 2.7.3. --- Selection of subjects for handedness --- p.47 / Chapter 2.7.4. --- Selection of method for handedness assessment --- p.47 / Chapter 2.8. --- Justification for this research --- p.48 / Chapter 2.9. --- Aim and objectives of the research / Chapter 2.9.1. --- Aim of the research --- p.49 / Chapter 2.9.2. --- Objectives of the research --- p.50 / Chapter Chapter Three --- Methods / Chapter 3.1. --- Measurements of the cerebral hemispheres / Chapter 3.1.1. --- Selection of subjects --- p.51 / Chapter 3.1.2. --- Computed tomographic equipment used --- p.51 / Chapter 3.1.3. --- Exposure factors and pixel size --- p.52 / Chapter 3.1.4. --- Position of the subject for routine brain scan --- p.53 / Chapter 3.1.5. --- Exclusion criteria --- p.54 / Chapter 3.1.6. --- Measurements of the frontal and occipital lobes --- p.54 / Chapter 3.1.7. --- Measurements of the mid-cerebral region --- p.56 / Chapter 3.1.8. --- Division of subjects by age --- p.57 / Chapter 3.1.9. --- Reproducibility of width measurements --- p.58 / Chapter 3.1.10. --- Decimal places --- p.59 / Chapter 3.1.11. --- Assumptions --- p.59 / Chapter 3.2. --- Assessment of handedness in three age groups / Chapter 3.2.1. --- Rational behind choice of three groups --- p.63 / Chapter 3.2.2. --- Students aged 19-22 years --- p.64 / Chapter 3.2.3. --- Children aged 6-7 years --- p.64 / Chapter 3.2.4. --- Children aged 4-5 years --- p.65 / Chapter 3.3. --- Analysis of data / Chapter 3.3.1. --- Distribution of width measurements --- p.65 / Chapter 3.3.2. --- The affect of age on the data --- p.66 / Chapter 3.3.3. --- Asymmetry of both frontal and occipital lobes --- p.66 / Chapter 3.3.4. --- Skew Index --- p.66 / Chapter 3.3.5. --- "Significance of ""Positive skew"" and ""Negative skew""" --- p.67 / Chapter 3.3.6. --- Analysis of data for Skew index --- p.69 / Chapter Chapter Four --- Results / Chapter 4.1. --- "Distribution of the width measurements from left and right sides of the occipital,frontal and mid-cerebral regions" / Chapter 4.1.1. --- Introduction --- p.70 / Chapter 4.1.2. --- The mid-cerebral regions --- p.70 / Chapter 4.1.2.1. --- Distribution of widths from the left mid-cerebral region --- p.71 / Chapter 4.1.2.2. --- Distribution of widths from the right mid-cerebral region --- p.72 / Chapter 4.1.2.3. --- Comparison of left and right widths --- p.73 / Chapter 4.1.3. --- The frontal lobes --- p.74 / Chapter 4.1.3.1. --- Distribution of widths from the left frontal lobe --- p.74 / Chapter 4.1.3.2. --- Distribution of widths from the right frontal lobe --- p.75 / Chapter 4.1.3.3. --- Comparison of left and right widths --- p.76 / Chapter 4.1.4. --- The occipital lobes --- p.77 / Chapter 4.1.4.1. --- Distribution of widths from the left occipital lobe --- p.77 / Chapter 4.1.4.2. --- Distribution of widths from the right occipital lobe --- p.78 / Chapter 4.1.4.3. --- Comparison of left and right widths --- p.79 / Chapter 4.1.5. --- Summary of the means and standard deviations of widths --- p.80 / Chapter 4.1.6. --- Correlation between left and right sides --- p.81 / Chapter 4.1.7. --- Correlation of size of regions with age --- p.81 / Chapter 4.1.8. --- Summary --- p.82 / Chapter 4.2. --- Measurements examined as a function of age / Chapter 4.2.1. --- The mid-cerebral regions --- p.83 / Chapter 4.2.1.1. --- The left mid-cerebral region of all age groups --- p.83 / Chapter 4.2.1.2. --- The right mid-cerebral region of all age groups --- p.85 / Chapter 4.2.2. --- The frontal lobes --- p.86 / Chapter 4.2.2.1. --- The left frontal lobe of all age groups --- p.86 / Chapter 4.2.2.2. --- The right frontal lobe of all age groups --- p.87 / Chapter 4.2.3. --- The occipital lobes --- p.88 / Chapter 4.2.3.1. --- The left occipital lobe of all age groups --- p.88 / Chapter 4.2.3.2. --- The right occipital lobe of all age groups --- p.89 / Chapter 4.2.4. --- Summary --- p.90 / Chapter 4.3. --- Asymmetry of the frontal and occipital lobes and Skew Index / Chapter 4.3.1 --- Asymmetry of the frontal and occipital lobes --- p.91 / Chapter 4.3.2 --- Introduction to 'Skew index' --- p.92 / Chapter 4.3.3. --- Positive Skew 226}0ب and 226}0بNegative Skew' --- p.93 / Chapter 4.3.4. --- Distribution of 'Skew index' --- p.95 / Chapter 4.3.5. --- Skew index' as a function of age --- p.96 / Chapter 4.3.5.1. --- Distribution of 226}0بSkew index' of subjects aged 0-9 years (group 1) --- p.96 / Chapter 4.3.5.2. --- Distribution of 'Skew index' of subjects aged 10-19 years (group 2) --- p.97 / Chapter 4.3.5.3. --- Distribution of 'Skew index' of all subjects divided by decade (groups 1-9) --- p.98 / Chapter 4.3.6. --- Summary --- p.99 / Chapter 4.4. --- Handedness --- p.100 / Chapter Chapter Five --- Discussion / Chapter 5.1. --- Morphological asymmetries of the brain / Chapter 5.1.1. --- Asymmetry of the frontal and occipital lobes --- p.101 / Chapter 5.1.2. --- Asymmetry of the temporal lobes --- p.103 / Chapter 5.1.3. --- Skew of the cerebral hemispheres --- p.103 / Chapter 5.2. --- "Findings from the younger age groups, aged under 20 years" / Chapter 5.2.1. --- Width measurements from subjects aged under 10 years --- p.104 / Chapter 5.2.2. --- Skew measurements of subjects aged under 10 years --- p.105 / Chapter 5.2.3. --- Width measurements of subjects aged from 10 to 19 years --- p.106 / Chapter 5.2.4. --- Skew measurements of subjects aged from 10 to 19 years --- p.106 / Chapter 5.3. --- Findings from the adults aged from 20 to 79 years / Chapter 5.3.1. --- Size of the cerebral regions --- p.107 / Chapter 5.3.2. --- Skew measurements of subjects aged from 20 to 79 years --- p.107 / Chapter 5.4. --- Findings from the oldest adults aged over 80 years / Chapter 5.4.1. --- An atypical group of subjects --- p.107 / Chapter 5.4.2. --- Size of the cerebral regions --- p.108 / Chapter 5.4.3. --- Cerebral skew in subjects aged over 80 years --- p.109 / Chapter 5.5. --- "Limitations, problems, bias, artefacts and main weakness" / Chapter 5.5.1. --- Limitations of the occipital and frontal measurements --- p.111 / Chapter 5.5.2. --- Linear measurements and possible limitations --- p.111 / Chapter 5.5.3. --- Problems encountered with cerebral measurements --- p.112 / Chapter 5.5.4. --- Potential bias in selection of subjects for assessing morphological asymmetry of the brain --- p.113 / Chapter 5.5.5. --- Potential source of error from CT artefacts --- p.113 / Chapter 5.5.6. --- Main weakness of this study --- p.113 / Chapter 5.6. --- Handedness / Chapter 5.6.1. --- Cerebral asymmetries --- p.114 / Chapter 5.6.2. --- Numbers of left-handers amongst the Chinese --- p.114 / Chapter 5.6.3. --- Left handedness amongst the Chinese in Taiwan --- p.114 / Chapter 5.6.4. --- Comparison of handedness amongst different races --- p.115 / Chapter 5.6.5. --- Biasing influences on Chinese children at school --- p.116 / Chapter 5.6.6. --- Biasing influences on Chinese children at home --- p.117 / Chapter 5.6.7. --- Handedness in two generations --- p.117 / Chapter 5.6.8. --- Potential bias in selection of subjects for assessing handedness --- p.118 / Chapter 5.6.9. --- Summary of results of handedness --- p.118 / Chapter 5.7. --- Extensions of the study / Chapter 5.7.1. --- Assessment of left-handedness amongst Chinese of Hong Kong --- p.119 / Chapter 5.7.2. --- Establishment of the association between handedness in the population and morphological brain asymmetry --- p.119 / Chapter Chapter Six --- Conclusion / Chapter 6.0 --- Conclusion --- p.121 / References --- p.123 / Acknowledgements --- p.133