McKinlay, A., Grace, R. C., Dalrymple-Alford, J. C., & Roger, D. (2009). Cognitive characteristics associated with mild cognitive impairment in Parkinson's disease. Dementia & Geriatric Cognitive Disorders, 28(2), 121-129.
Type:
Research article
Description:
The aim of this New Zealand study was to identify different cognitive subgroups associated with Parkinson’s disease. A broad range of neuropsychological measures and cognitive domains were used in a cluster analysis to identify subgroups of patients. Three subgroups of patients were identified.
Keywords:
Parkinson’s disease, Parkinson’s, Parkinsons, MCI, mild cognitive impairment
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Miyahara, M. (2003). Effects on memory of verbal labelling for hand movements in persons with Alzheimer's disease. American Journal of Alzheimer's Disease and Other Dementias, 18(6), 349-352.
Type:
Research article
Description:
This New Zealand study examined whether patients diagnosed with dementia of the Alzheimer type could form verbal labels to remember non-meaningful sequences of hand movements, spontaneously or with instruction and whether this was related to score on the Mini-Mental State Examination (MMSE). 
Keywords:
cognitive, Alzheimers, Alzheimer’s, memory
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Tippett, L. J., Blackwood, K., & Farah, M. J. (2003). Visual object and face processing in mild-to-moderate Alzheimer's disease: From segmentation to imagination. Neuropsychologia, 41(4), 453-468.
Type:
Research article
Description:
Little is known about the fate of higher level visual perception and visual mental imagery in the early stages of Alzheimer's disease. This study assessed these abilities in a group of New Zealanders with mild-to moderate Alzheimer's disease.
Keywords:
cognitive, Alzheimers, Alzheimer’s, visual, perception, mental imagery
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Tippett, L. J., Gendall, A., Farah, M. J., & Thompson-Schill, S. L. (2004). Selection ability in Alzheimer's Disease: Investigation of a component of semantic processing. Neuropsychology, 18(1), 163-173.
Type:
Research article
Description:
Selection ability (selecting a response from several competing semantic and/or lexical representations) was tested in New Zealanders with Alzheimer’s disease and control participants to help clarify the nature of semantic impairments in Alzheimer’s disease. Overall results indicate impaired semantic selection abilities in AD, which may contribute to poor performance on some semantic tasks.
Keywords:
cognitive, Alzheimers, Alzheimer’s, semantic, semantic processing, processing
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Tippett, L. J., Meier, S. L., Blackwood, K., & Diaz-Asper, C. (2007). Category specific deficits in Alzheimer's disease: Fact or artefact? Cortex: A Journal Devoted to the Study of the Nervous System and Behavior, 43(7), 907-920. 
Type:
Research article
Description:
This study reports two New Zealand experiments investigating whether impairments in semantic memory that commonly occur in Alzheimer's Disease occur along category- specific lines. The authors conclude that AD does not generally lead to a selective category loss in semantic knowledge.
Keywords:
cognitive, Alzheimers, Alzheimer’s, semantic, semantic processing, processing
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