M Delazer

Summary

Affiliation: University of Innsbruck
Country: Austria

Publications

  1. pmc Number processing in temporal lobe epilepsy
    M Delazer
    Universitätsklinik für Neurologie, Innsbruck, Austria
    J Neurol Neurosurg Psychiatry 75:901-3. 2004
  2. ncbi request reprint When writing 0 (zero) is easier than writing O (o): a neuropsychological case study of agraphia
    M Delazer
    Universitätsklinik für Neurologie, Klinik fur Neurologie, Anichstrasse 35, 6020 Innsbruck, Austria
    Neuropsychologia 40:2167-77. 2002
  3. ncbi request reprint Isolated numerical skills in posterior cortical atrophy--an fMRI study
    Margarete Delazer
    Clinical Department of Neurology, Innsbruck Medical University, Innsbruck, Austria
    Neuropsychologia 44:1909-13. 2006
  4. ncbi request reprint Decision-making with explicit and stable rules in mild Alzheimer's disease
    M Delazer
    Clinical Department of Neurology, Innsbruck Medical University, Anichstrasse 35, 6020 Innsbruck, Austria
    Neuropsychologia 45:1632-41. 2007
  5. ncbi request reprint Number processing in posterior cortical atrophy--a neuropsycholgical case study
    M Delazer
    Clinical Department of Neurology, Innsbruck Medical University, Innsbruck, Austria
    Neuropsychologia 44:36-51. 2006
  6. ncbi request reprint The acquisition of arithmetic knowledge - an FMRI study
    Margarete Delazer
    Univ Klinik für Neurologie, Innsbruck
    Cortex 40:166-7. 2004
  7. ncbi request reprint Numerical skills and aphasia
    M Delazer
    Universitatsklinik, Innsbruck, Austria
    J Int Neuropsychol Soc 5:213-21. 1999
  8. ncbi request reprint Priming arithmetic facts in amnesic patients
    M Delazer
    Universitätsklinik für Neurologie, Innsbruck, Austria
    Neuropsychologia 35:623-34. 1997
  9. ncbi request reprint Writing arabic numerals in an agraphic patient
    M Delazer
    Universitätsklinik für Neurologie, Innsbruck, Austria
    Brain Lang 64:257-66. 1998
  10. ncbi request reprint Arithmetic facts without meaning
    M Delazer
    Universitätsklinik für Neurologie, Innsbruck
    Cortex 33:697-710. 1997

Detail Information

Publications49

  1. pmc Number processing in temporal lobe epilepsy
    M Delazer
    Universitätsklinik für Neurologie, Innsbruck, Austria
    J Neurol Neurosurg Psychiatry 75:901-3. 2004
    ..Specific cognitive impairments have been found in association with mesial temporal lobe epilepsy (TLE), such as deficits in declarative memory or verbal abilities. No attention has been paid so far to possible deficits in number processing...
  2. ncbi request reprint When writing 0 (zero) is easier than writing O (o): a neuropsychological case study of agraphia
    M Delazer
    Universitätsklinik für Neurologie, Klinik fur Neurologie, Anichstrasse 35, 6020 Innsbruck, Austria
    Neuropsychologia 40:2167-77. 2002
    ..The study thus adds evidence to the so far reported dissociations between Arabic and alphabetical scripts...
  3. ncbi request reprint Isolated numerical skills in posterior cortical atrophy--an fMRI study
    Margarete Delazer
    Clinical Department of Neurology, Innsbruck Medical University, Innsbruck, Austria
    Neuropsychologia 44:1909-13. 2006
    ..Since numerical processing is generally associated with parietal activation, it was hypothesized that preserved brain structures would compensate for the functional deficits...
  4. ncbi request reprint Decision-making with explicit and stable rules in mild Alzheimer's disease
    M Delazer
    Clinical Department of Neurology, Innsbruck Medical University, Anichstrasse 35, 6020 Innsbruck, Austria
    Neuropsychologia 45:1632-41. 2007
    ..The frequency of changes between safe and risky choices proved to be a fair predictor for the distinction between mild DAT and healthy aging...
  5. ncbi request reprint Number processing in posterior cortical atrophy--a neuropsycholgical case study
    M Delazer
    Clinical Department of Neurology, Innsbruck Medical University, Innsbruck, Austria
    Neuropsychologia 44:36-51. 2006
    ..Moreover, the study adds evidence about the clinical manifestation of the particular degenerative syndrome...
  6. ncbi request reprint The acquisition of arithmetic knowledge - an FMRI study
    Margarete Delazer
    Univ Klinik für Neurologie, Innsbruck
    Cortex 40:166-7. 2004
  7. ncbi request reprint Numerical skills and aphasia
    M Delazer
    Universitatsklinik, Innsbruck, Austria
    J Int Neuropsychol Soc 5:213-21. 1999
    ..This result supports the hypothesis that the retrieval of multiplication facts is preferentially mediated by verbal processing. Calculation procedures were mainly impaired in Wernicke's and global aphasics...
  8. ncbi request reprint Priming arithmetic facts in amnesic patients
    M Delazer
    Universitätsklinik für Neurologie, Innsbruck, Austria
    Neuropsychologia 35:623-34. 1997
    ..Significant priming was found for identical (5 x 6 and 5 x 6) and complement problems (5 x 6 and 6 x 5), the latter showing a smaller magnitude of priming...
  9. ncbi request reprint Writing arabic numerals in an agraphic patient
    M Delazer
    Universitätsklinik für Neurologie, Innsbruck, Austria
    Brain Lang 64:257-66. 1998
    ....
  10. ncbi request reprint Arithmetic facts without meaning
    M Delazer
    Universitätsklinik für Neurologie, Innsbruck
    Cortex 33:697-710. 1997
    ..The study completes a valid double dissociation between two types of knowledge involved in calculation (memorised facts and conceptual knowledge)...
  11. ncbi request reprint Number processing and basal ganglia dysfunction: a single case study
    Margarete Delazer
    Universitätsklinik für Neurologie, Anichstrasse 35, Innsbruck A 6020, Austria
    Neuropsychologia 42:1050-62. 2004
    ..This study shows that not only parietal lesions may lead to severe deficits in conceptual understanding, but that basal ganglia lesions leading to frontal dysfunction may have a devastating effect...
  12. ncbi request reprint Counting complex dot patterns in Alzheimer's disease
    Margarete Delazer
    Clinical Department of Neurology, Innsbruck Medical University, Innsbruck
    J Clin Exp Neuropsychol 28:721-31. 2006
    ....
  13. ncbi request reprint Number processing and calculation--normative data from healthy adults
    M Delazer
    Universitätsklinik für Neurologie, Innsbruck, Austria
    Clin Neuropsychol 17:331-50. 2003
    ..The battery is easy to administer and does not require special materials or equipment...
  14. ncbi request reprint Learning complex arithmetic--an fMRI study
    M Delazer
    Univ Klinik für Neurologie, Anichstrasse 35, A 6020 Innsbruck, Austria
    Brain Res Cogn Brain Res 18:76-88. 2003
    ..The present study shows that the left angular gyrus is not only involved in arithmetic tasks requiring simple fact retrieval, but may show significant activations as a result of relatively short training of complex calculation...
  15. ncbi request reprint Language and arithmetic--a study using the intracarotid amobarbital procedure
    Margarete Delazer
    Clinical Department of Neurology, Innsbruck Medical University, Innsbruck, Austria
    Neuroreport 16:1403-5. 2005
    ..The study suggests a close association between language lateralization and hemispheric specialization for arithmetic processing...
  16. ncbi request reprint Anomia for people names in DAT--evidence for semantic and post-semantic impairments
    M Delazer
    Klinik fur Neurologie, Universitätsklinik für Neurologie, Anichstrasse 35, 6020 Innsbruck, Austria
    Neuropsychologia 41:1593-8. 2003
    ..No significant differences were found between persons with mild cognitive impairment and healthy controls in proper name retrieval...
  17. ncbi request reprint Learning by strategies and learning by drill--evidence from an fMRI study
    M Delazer
    Clinical Department of Neurology, Innsbruck Medical University, Anichstrasse 35, 6020 Innsbruck, Austria
    Neuroimage 25:838-49. 2005
    ....
  18. doi request reprint Impact of ambiguity and risk on decision making in mild Alzheimer's disease
    H Sinz
    Clinical Department of Neurology, Innsbruck Medical University, Anichstrasse 35, 6020 Innsbruck, Austria
    Neuropsychologia 46:2043-55. 2008
    ....
  19. doi request reprint Decision making under risk and under ambiguity in Parkinson's disease
    M Delazer
    Clinical Department of Neurology, Innsbruck Medical University, Innsbruck, Austria
    Neuropsychologia 47:1901-8. 2009
    ....
  20. ncbi request reprint Neural correlates of distance and congruity effects in a numerical Stroop task: an event-related fMRI study
    Liane Kaufmann
    Innsbruck Medical University, Clinical Department of Pediatrics, Anichstrasse 35, A 6020 Innsbruck, Austria
    Neuroimage 25:888-98. 2005
    ..The distance effect (neutral condition only) led to a stronger activation in bilateral parietal areas including the intraparietal sulcus (IPS)...
  21. ncbi request reprint Arithmetic reasoning and implicit memory: a neuropsychological study on amnesia
    M Delazer
    Univ Klinik für Neurologie, Innsbruck, Austria
    Cortex 35:615-27. 1999
    ..Within the model of Langdon and Warrington (1997) priming effects are attributed to the stage of abstract formula generation...
  22. ncbi request reprint Brain activation pattern during a verbal fluency test in healthy male and female volunteers: a functional magnetic resonance imaging study
    E M Weiss
    Department of Biological Psychiatry, Innsbruck University Clinics, Innsbruck, Austria
    Neurosci Lett 352:191-4. 2003
    ..Our data argue against genuine between-sex differences in cerebral activation patterns during lexical verbal fluency activities when confounding factors like performance differences are excluded...
  23. ncbi request reprint Cholinergic treatment of amnesia following basal forebrain lesion due to aneurysm rupture--an open-label pilot study
    T Benke
    University Clinic of Neurology, Innsbruck, Austria
    Eur J Neurol 12:791-6. 2005
    ..Future doubled-blind, placebo-controlled trials are warranted to confirm these findings...
  24. pmc Subacute dementia and imaging correlates in a case of Fahr's disease
    T Benke
    University Clinic of Neurology, Innsbruck, Austria
    J Neurol Neurosurg Psychiatry 75:1163-5. 2004
    ..This case indicates that FD may cause exclusively behavioural alterations and that the associated hypometabolism in certain frontal areas is closely related to the clinical picture...
  25. ncbi request reprint How specifically do we learn? Imaging the learning of multiplication and subtraction
    Anja Ischebeck
    Innsbruck Medical University, Clinical Department of Neurology, Anichstrasse 35, 6020 Innsbruck, Austria
    Neuroimage 30:1365-75. 2006
    ..The same training method caused changes in brain activation patterns that depended on the given operation. The effects of learning on the brain therefore seem not only to depend on the method of learning but also on its content...
  26. doi request reprint Neuroscience of learning arithmetic--evidence from brain imaging studies
    L Zamarian
    Clinical Department of Neurology, Medical University Innsbruck, Innsbruck, Austria
    Neurosci Biobehav Rev 33:909-25. 2009
    ..In expert individuals with long-lasting, extensive mathematical training, specific structural brain modifications are also evident...
  27. ncbi request reprint Alzheimer's disease and mild cognitive impairment: effects of shifting and interference in simple arithmetic
    Laura Zamarian
    Clinical Department of Neurology, Innsbruck Medical University, Anichstrasse 35, 6020 Innsbruck, Austria
    J Neurol Sci 263:79-88. 2007
    ..That means, they possibly process arithmetic not efficiently in daily-life situations...
  28. ncbi request reprint Imaging early practice effects in arithmetic
    Anja Ischebeck
    Innsbruck Medical University, Clinical Department of Neurology, Anichstrasse 35, 6020 Innsbruck, Austria
    Neuroimage 36:993-1003. 2007
    ..Furthermore, on a more general level, the early and robust changes in brain activation in healthy adults observed here indicate that repeating stimuli can profoundly and quickly affect fMRI results...
  29. ncbi request reprint Gender differences in facial emotion recognition in persons with chronic schizophrenia
    Elisabeth M Weiss
    Department of General Psychiatry, Medical University Innsbruck, Anichstrasse 35, 6020 Innsbruck, Austria
    Eur Psychiatry 22:116-22. 2007
    ....
  30. ncbi request reprint Sex differences in clustering and switching in verbal fluency tasks
    Elisabeth M Weiss
    Department of General Psychiatry, Innsbruck Medical University, Innsbruck, Austria
    J Int Neuropsychol Soc 12:502-9. 2006
    ..In the current study, women adopted a more successful strategy of balancing clustering and switching in the phonemic fluency task...
  31. ncbi request reprint Everyday numerical abilities in Alzheimer's disease
    Laura Martini
    Universitätsklinik für Neurologie, Innsbruck, Austria
    J Int Neuropsychol Soc 9:871-8. 2003
    ..Assessment of everyday numerical skills may be crucial in planning adequate support for patients, for example in handling money, but also in designing targeted training programs...
  32. ncbi request reprint Basal ganglia lesions and the theory of fronto-subcortical loops: neuropsychological findings in two patients with left caudate lesions
    Thomas Benke
    Clinic of Neurology, University of Innsbruck, Austria
    Neurocase 9:70-85. 2003
    ..Other impairments, most importantly the prominent amnestic syndrome, are more difficult to interpret on the grounds of this hypothesis and may be related to other pathomechanisms...
  33. doi request reprint Normal aging affects decisions under ambiguity, but not decisions under risk
    Laura Zamarian
    Cognitive Neurology and Neuropsychology, Medical University Innsbruck, Innsbruck, Austria
    Neuropsychology 22:645-57. 2008
    ..Our findings have also practical implications, suggesting that old people can make advantageous decisions when complete information about the decision situation is available...
  34. ncbi request reprint Are numbers special? Comparing the generation of verbal materials from ordered categories (months) to numbers and other categories (animals) in an fMRI study
    Anja Ischebeck
    Clinical Department of Neurology, Innsbruck Medical University, Austria
    Hum Brain Mapp 29:894-909. 2008
    ..Interestingly, no difference in activation was observed within the IPS between numbers and months suggesting that the activation of the IPS might not be modulated by the additional quantity information carried by numbers...
  35. doi request reprint Cognitive functions, emotional behavior, and quality of life in familial hemiplegic migraine
    Elfriede Karner
    Clinical Department of Neurology, Innsbruck Medical University, Austria
    Cogn Behav Neurol 23:106-11. 2010
    ..To describe the cognitive functions, mood, and quality of life in a family with genetically proved familial hemiplegic migraine (FHM), carrying a missense mutation on chromosome 19 (T666M), corresponding to the most frequent FHM subtype...
  36. ncbi request reprint Parkinson's disease and arithmetics: the role of executive functions
    Laura Zamarian
    Clinical Department of Neurology, Innsbruck Medical University, Anichstrasse 35, 6020 Innsbruck, Austria
    J Neurol Sci 248:124-30. 2006
    ..The study contributes to better understanding the specific cognitive deficits in early PD and the neurocognitive architecture of arithmetic processing...
  37. ncbi request reprint Sex differences in brain activation pattern during a visuospatial cognitive task: a functional magnetic resonance imaging study in healthy volunteers
    E Weiss
    Department of Biological Psychiatry, Innsbruck University Clinics, Innsbruck, Austria
    Neurosci Lett 344:169-72. 2003
    ..Our results point to gender specific differences in the neuropsychological processes involved in mental rotation tasks...
  38. doi request reprint Decision making under ambiguity and under risk in mesial temporal lobe epilepsy
    Margarete Delazer
    Clinical Department of Neurology, Innsbruck Medical University, Austria
    Neuropsychologia 48:194-200. 2010
    ..By contrast, they are able to make advantageous decisions when full information is given and risks, possible gains and losses are exactly defined...
  39. ncbi request reprint Clock drawing, clock reading, clock setting, and judgment of clock faces in elderly people with dementia and depression
    Thomas Bodner
    Department of Biological Psychiatry, Innsbruck University Clinics, Innsbruck, Austria
    J Am Geriatr Soc 52:1146-50. 2004
    ..To assess patient performance on different clock tasks...
  40. doi request reprint Decision making in ambiguous and risky situations after unilateral temporal lobe epilepsy surgery
    Elisabeth Bonatti
    Clinical Department of Neurology, Innsbruck Medical University, Innsbruck, Austria
    Epilepsy Behav 14:665-73. 2009
    ....
  41. doi request reprint Making decisions and advising decisions in traumatic brain injury
    Elisabeth Bonatti
    Clinical Department of Neurology, Innsbruck Medical University, Anichstrasse 35, Innsbruck, Austria
    Cogn Behav Neurol 21:164-75. 2008
    ..Decision under ambiguity and decision under risk are fundamental in every-day life...
  42. ncbi request reprint About the relationship between basic numerical processing and arithmetics in early Alzheimer's disease--a follow-up study
    Liane Kaufmann
    University Clinic Innsbruck, Austria
    Brain Cogn 48:398-405. 2002
    ..Further, we found patient specific error types which might serve to identify early AD. The follow-up about one year later indicated significant qualitative, but only marginal quantitative performance changes...
  43. ncbi request reprint The mental representation of ordered sequences in visual neglect
    Laura Zamarian
    Department of Psychology, University of Trieste, Trieste, Italy
    Cortex 43:542-50. 2007
    ..It could be argued that shifts to days earlier may correspond to right-sided shifts, when the representation of days in the week is cyclic as hours on a clock...
  44. doi request reprint Verbal numerosity estimation deficit in the context of spared semantic representation of numbers: a neuropsychological study of a patient with frontal lesions
    Susannah K Revkin
    INSERM, U562, Cognitive Neuroimaging Unit, F 91191 Gif Yvette, France
    Neuropsychologia 46:2463-75. 2008
    ..This case study allows disentangling different processes involved in estimation and contributes to a better understanding of the cognitive estimation deficits frequently reported for patients with frontal lesions...
  45. ncbi request reprint What makes multiplication facts difficult. Problem size or neighborhood consistency?
    Frank Domahs
    Interdisziplinares Zentrum fur Klinische Forschung IZKF, Universitätsklinikum der RWTH Aachen, Germany
    Exp Psychol 53:275-82. 2006
    ..Only the IN-model predicts that a correct answer's neighborhood consistency can fully account for the problem-size effect, which was confirmed in our analysis...
  46. ncbi request reprint Sound arithmetic: auditory cues in the rehabilitation of impaired fact retrieval
    Frank Domahs
    Lehr und Forschungsgebiet Neuropsychologie, Universitätsklinikum der RWTH Aachen, Germany
    Neuropsychol Rehabil 18:160-81. 2008
    ..Thus, the present results demonstrate that cues in the training of arithmetic facts do not have to be visual to be effective...
  47. ncbi request reprint Inductive reasoning and implicit memory: evidence from intact and impaired memory systems
    Luisa Girelli
    Dipartimento di Psicologia, Universita degli Studi di Milano Bicocca, Edifico U6, Piazza dell Ateneo Nuovo 1, Milan 20126, Italy
    Neuropsychologia 42:926-38. 2004
    ..These findings demonstrate that the influence of implicit processes extends to higher level cognitive domain such as induction reasoning...
  48. ncbi request reprint Is math lateralised on the same side as language? Right hemisphere aphasia and mathematical abilities
    Carlo Semenza
    Department of Psychology, University of Trieste, Via S Anastasio 12, 34122 Trieste, Italy
    Neurosci Lett 406:285-8. 2006
    ..These results suggest that, as a rule, language and calculation share the same hemisphere. A primitive computational mechanism capable of recursion may be the precursor of both functions...
  49. ncbi request reprint [Sex differences in Alzheimer's disease]
    Reinhold Schmidt
    Univ Klinik für Neurologie, Medizinische Universitat Graz
    Neuropsychiatr 22:1-15. 2008
    ..Care takes place in 80% by the families and is provided by women in 78%. The rate of female care-givers in partly institutionalized care units in 91% in nursing homes it is 84%...