Keith A Johnson

Author PubWeight™ 102.90‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Cortical hubs revealed by intrinsic functional connectivity: mapping, assessment of stability, and relation to Alzheimer's disease. J Neurosci 2009 12.05
2 Amyloid deposition is associated with impaired default network function in older persons without dementia. Neuron 2009 7.02
3 Disruption of functional connectivity in clinically normal older adults harboring amyloid burden. J Neurosci 2009 4.50
4 Amyloid deposition begins in the striatum of presenilin-1 mutation carriers from two unrelated pedigrees. J Neurosci 2007 3.91
5 Molecular imaging with Pittsburgh Compound B confirmed at autopsy: a case report. Arch Neurol 2007 3.83
6 Cognition, reserve, and amyloid deposition in normal aging. Ann Neurol 2010 3.64
7 Using positron emission tomography and florbetapir F18 to image cortical amyloid in patients with mild cognitive impairment or dementia due to Alzheimer disease. Arch Neurol 2011 2.81
8 Functional alterations in memory networks in early Alzheimer's disease. Neuromolecular Med 2010 2.77
9 Amyloid-β associated cortical thinning in clinically normal elderly. Ann Neurol 2011 2.57
10 The A4 study: stopping AD before symptoms begin? Sci Transl Med 2014 2.43
11 Amyloid-β assessed by florbetapir F 18 PET and 18-month cognitive decline: a multicenter study. Neurology 2012 2.26
12 Subjective cognitive complaints and amyloid burden in cognitively normal older individuals. Neuropsychologia 2012 1.90
13 Neuronal dysfunction and disconnection of cortical hubs in non-demented subjects with elevated amyloid burden. Brain 2011 1.89
14 Brain amyloid and cognition in Lewy body diseases. Mov Disord 2012 1.87
15 Stepwise connectivity of the modal cortex reveals the multimodal organization of the human brain. J Neurosci 2012 1.82
16 Imaging markers for Alzheimer disease: which vs how. Neurology 2013 1.76
17 Cognitive profile of amyloid burden and white matter hyperintensities in cognitively normal older adults. J Neurosci 2012 1.76
18 Detection of isolated cerebrovascular beta-amyloid with Pittsburgh compound B. Ann Neurol 2008 1.74
19 Transferable, multiple antibiotic and mercury resistance in Atlantic Canadian isolates of Aeromonas salmonicida subsp. salmonicida is associated with carriage of an IncA/C plasmid similar to the Salmonella enterica plasmid pSN254. J Antimicrob Chemother 2008 1.62
20 Face-name associative memory performance is related to amyloid burden in normal elderly. Neuropsychologia 2011 1.60
21 Regional variability of imaging biomarkers in autosomal dominant Alzheimer's disease. Proc Natl Acad Sci U S A 2013 1.58
22 Executive function and instrumental activities of daily living in mild cognitive impairment and Alzheimer's disease. Alzheimers Dement 2011 1.54
23 Spatial relation between microbleeds and amyloid deposits in amyloid angiopathy. Ann Neurol 2010 1.50
24 Apolipoprotein E ε4 and age effects on florbetapir positron emission tomography in healthy aging and Alzheimer disease. Neurobiol Aging 2012 1.49
25 Amyloid deposition detected with florbetapir F 18 ((18)F-AV-45) is related to lower episodic memory performance in clinically normal older individuals. Neurobiol Aging 2012 1.43
26 Amyloid is linked to cognitive decline in patients with Parkinson disease without dementia. Neurology 2012 1.33
27 Predicting sites of new hemorrhage with amyloid imaging in cerebral amyloid angiopathy. Neurology 2012 1.29
28 Cerebral amyloid angiopathy burden associated with leukoaraiosis: a positron emission tomography/magnetic resonance imaging study. Ann Neurol 2013 1.27
29 Preclinical Alzheimer disease-the challenges ahead. Nat Rev Neurol 2012 1.25
30 Age and amyloid-related alterations in default network habituation to stimulus repetition. Neurobiol Aging 2011 1.16
31 CML24, regulated in expression by diverse stimuli, encodes a potential Ca2+ sensor that functions in responses to abscisic acid, daylength, and ion stress. Plant Physiol 2005 1.14
32 Failure to modulate attentional control in advanced aging linked to white matter pathology. Cereb Cortex 2011 1.12
33 Mild to moderate Alzheimer dementia with insufficient neuropathological changes. Ann Neurol 2014 1.12
34 MRI-guided SPECT perfusion measures and volumetric MRI in prodromal Alzheimer disease. Arch Neurol 2003 1.08
35 Neuropsychiatric symptoms and global functional impairment along the Alzheimer's continuum. Dement Geriatr Cogn Disord 2012 1.07
36 A concise radiosynthesis of the tau radiopharmaceutical, [(18) F]T807. J Labelled Comp Radiopharm 2013 1.03
37 Instrumental activities of daily living impairment is associated with increased amyloid burden. Dement Geriatr Cogn Disord 2011 1.01
38 Amyloid deposition is linked to aberrant entorhinal activity among cognitively normal older adults. J Neurosci 2014 1.00
39 In vivo characterization of the early states of the amyloid-beta network. Brain 2013 0.99
40 Association of common genetic variants in GPCPD1 with scaling of visual cortical surface area in humans. Proc Natl Acad Sci U S A 2012 0.95
41 Intelligence quotient-adjusted memory impairment is associated with abnormal single photon emission computed tomography perfusion. J Int Neuropsychol Soc 2007 0.89
42 The ups and downs of the posteromedial cortex: age- and amyloid-related functional alterations of the encoding/retrieval flip in cognitively normal older adults. Cereb Cortex 2012 0.87
43 Styrene respiratory tract toxicity and mouse lung tumors are mediated by CYP2F-generated metabolites. Regul Toxicol Pharmacol 2002 0.86
44 Everyday cognition scale items that best discriminate between and predict progression from clinically normal to mild cognitive impairment. Curr Alzheimer Res 2014 0.84
45 Quantitative SPECT leads to improved performance in discrimination tasks related to prodromal Alzheimer's disease. J Nucl Med 2004 0.84
46 Apathy is associated with increased amyloid burden in mild cognitive impairment. J Neuropsychiatry Clin Neurosci 2013 0.83
47 Network assemblies in the functional brain. Curr Opin Neurol 2012 0.83
48 Aβ Imaging: feasible, pertinent, and vital to progress in Alzheimer's disease. Eur J Nucl Med Mol Imaging 2012 0.83
49 Effect of feed restriction on Hershberger and pubertal male assay endpoints. Birth Defects Res B Dev Reprod Toxicol 2003 0.81
50 PET Radioligands Reveal the Basis of Dementia in Parkinson's Disease and Dementia with Lewy Bodies. Neurodegener Dis 2015 0.80
51 Apathy is associated with lower inferior temporal cortical thickness in mild cognitive impairment and normal elderly individuals. J Neuropsychiatry Clin Neurosci 2014 0.80
52 Vascular disease and risk factors are associated with cognitive decline in the alzheimer disease spectrum. Alzheimer Dis Assoc Disord 2015 0.79
53 Effect of Amyloid Imaging on the Diagnosis and Management of Patients with Cognitive Decline: Impact of Appropriate Use Criteria. Dement Geriatr Cogn Disord 2016 0.79
54 Evaluation of potential modes of action of inhaled ethylbenzene in rats and mice. Toxicol Sci 2003 0.79
55 SIST-M-IR activities of daily living items that best discriminate clinically normal elderly from those with mild cognitive impairment. Curr Alzheimer Res 2014 0.79
56 Dementia: new criteria but no new treatments. Lancet Neurol 2012 0.79
57 A new species of myxozoan (Myxosporea) from the brain and spinal cord of rainbow trout (Oncorhynchus mykiss) from Idaho. J Parasitol 2008 0.77
58 Does hippocampal FDG-PET asymmetry predict verbal memory dysfunction after left temporal lobectomy? Epilepsy Behav 2009 0.76
59 Reply: Beyond the limits of detection: failure of PiB imaging to capture true Aβ burden. Mov Disord 2013 0.76
60 Concomitant antibiotic and mercury resistance among gastrointestinal microflora of feral brook trout, Salvelinus fontinalis. Curr Microbiol 2012 0.75
61 Lack of trigeminal nerve toxicity in rats exposed to trichloroethylene vapor for 13 weeks. Int J Toxicol 2006 0.75
62 Correction: Quantitative Amyloid Imaging in Autosomal Dominant Alzheimer's Disease: Results from the DIAN Study Group. PLoS One 2016 0.75
63 Functional Activities Questionnaire Items that Best Discriminate and Predict Progression from Clinically Normal to Mild Cognitive Impairment. Curr Alzheimer Res 2015 0.75
64 Mechanistic studies of photochemical reactions with millisecond time resolution by electrospray ionization mass spectrometry. Anal Chem 2003 0.75
65 Two generation reproduction study of styrene by inhalation in Crl-CD rats. Birth Defects Res B Dev Reprod Toxicol 2005 0.75
66 Developmental neurotoxicity study of styrene by inhalation in Crl-CD rats. Birth Defects Res B Dev Reprod Toxicol 2005 0.75