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Kumar Rajan

Concepts (378)

Concepts are derived automatically from a person's publications.
Concepts are listed by decreasing relevance which is based on many factors, including how many publications the person wrote about that topic, how long ago those publications were written, and how many publications other people have written on that same topic.


Name Number of Publications Most Recent Publication Publications by All Authors Concept Score Why?
Cognitive Dysfunction
42
2025
1061
12.620
Why?
Apolipoprotein E4
17
2025
263
6.720
Why?
Alzheimer Disease
23
2025
2109
4.980
Why?
Aged
82
2025
8979
3.590
Why?
Cognition
30
2024
1339
3.350
Why?
tau Proteins
6
2025
232
2.930
Why?
Chicago
29
2025
950
2.850
Why?
Neurofilament Proteins
4
2025
17
2.810
Why?
Female
88
2025
15166
2.780
Why?
Male
78
2025
14718
2.660
Why?
Cognition Disorders
14
2018
985
2.620
Why?
Stroke
6
2023
261
2.510
Why?
Humans
105
2025
26946
2.480
Why?
Aged, 80 and over
41
2025
4771
2.410
Why?
Neurodegenerative Diseases
3
2025
125
2.390
Why?
Longitudinal Studies
28
2025
1368
2.350
Why?
Aging
14
2025
1541
2.170
Why?
Cohort Studies
25
2025
1882
2.090
Why?
Biomarkers
11
2025
561
2.060
Why?
Risk Factors
25
2025
2295
1.940
Why?
Glial Fibrillary Acidic Protein
3
2025
43
1.860
Why?
Apolipoproteins E
8
2023
250
1.830
Why?
Alleles
9
2024
216
1.810
Why?
Blood Pressure
3
2024
194
1.570
Why?
Exercise
9
2023
450
1.540
Why?
White Matter
3
2022
134
1.520
Why?
Activities of Daily Living
9
2018
595
1.510
Why?
Population Surveillance
3
2021
115
1.400
Why?
Prospective Studies
15
2025
1771
1.390
Why?
Dementia
9
2024
559
1.300
Why?
Vitamin E
2
2023
44
1.250
Why?
Intermediate Filaments
4
2023
20
1.230
Why?
Genotype
7
2024
346
1.180
Why?
Cardiovascular Diseases
2
2025
321
1.180
Why?
Incidence
12
2025
758
1.160
Why?
Memory Disorders
3
2024
159
1.110
Why?
Disease Progression
11
2019
673
1.110
Why?
Dietary Approaches To Stop Hypertension
2
2024
36
1.090
Why?
Loneliness
2
2025
59
1.080
Why?
Diet, Mediterranean
3
2024
100
1.040
Why?
Mortality
4
2021
89
1.030
Why?
Lipids
1
2025
50
0.930
Why?
Social Isolation
1
2025
30
0.930
Why?
United States
12
2024
2034
0.900
Why?
Disability Evaluation
4
2014
263
0.900
Why?
Dietary Fats
1
2024
39
0.880
Why?
Whole Grains
1
2023
7
0.870
Why?
Neuropathology
3
2021
81
0.820
Why?
Depression
4
2014
443
0.800
Why?
Vitamin D
1
2022
39
0.770
Why?
Healthy Lifestyle
5
2024
45
0.770
Why?
Antihypertensive Agents
2
2021
55
0.750
Why?
Independent Living
5
2025
322
0.730
Why?
Membrane Proteins
1
2021
165
0.680
Why?
Geriatric Assessment
5
2021
207
0.660
Why?
Follow-Up Studies
11
2024
1784
0.620
Why?
Neuropsychological Tests
11
2018
1196
0.600
Why?
Time Factors
10
2021
1429
0.580
Why?
Diet
4
2023
219
0.580
Why?
Art
1
2016
1
0.550
Why?
Mental Status and Dementia Tests
3
2023
56
0.530
Why?
Genetic Predisposition to Disease
6
2022
381
0.530
Why?
Music
1
2016
23
0.530
Why?
Diabetes Complications
1
2016
56
0.520
Why?
Models, Statistical
2
2021
127
0.510
Why?
Life Style
5
2022
186
0.500
Why?
Prevalence
3
2023
441
0.490
Why?
Obesity
6
2014
310
0.490
Why?
Mobility Limitation
2
2015
94
0.480
Why?
Cognitive Aging
4
2021
78
0.470
Why?
Body Mass Index
6
2018
457
0.460
Why?
Depressive Disorder
1
2015
177
0.460
Why?
Gene-Environment Interaction
1
2014
18
0.450
Why?
Diabetes Mellitus, Type 2
1
2016
167
0.450
Why?
Dopamine Agents
1
2014
11
0.440
Why?
Memantine
1
2014
9
0.440
Why?
Polymorphism, Single Nucleotide
5
2021
278
0.440
Why?
Genome-Wide Association Study
5
2022
279
0.430
Why?
Antioxidants
1
2014
63
0.430
Why?
Motor Activity
2
2015
323
0.420
Why?
Health Status Disparities
1
2013
75
0.400
Why?
Memory, Episodic
3
2018
116
0.390
Why?
Diagnosis
1
2011
24
0.380
Why?
Area Under Curve
1
2011
63
0.380
Why?
Medical Informatics
1
2011
10
0.380
Why?
Linear Models
3
2016
248
0.360
Why?
Refusal to Participate
1
2010
2
0.350
Why?
Predictive Value of Tests
3
2021
474
0.340
Why?
Disabled Persons
1
2012
122
0.340
Why?
Age of Onset
3
2014
94
0.310
Why?
Genetic Loci
3
2018
51
0.300
Why?
Middle Aged
21
2019
8887
0.300
Why?
Postmenopause
7
2006
54
0.280
Why?
Magnetic Resonance Imaging
2
2022
1106
0.260
Why?
Triglycerides
2
2025
61
0.250
Why?
Neuroticism
2
2023
32
0.250
Why?
Hypertension
2
2024
191
0.250
Why?
Hypoglycemic Agents
2
2016
37
0.240
Why?
Vehicle Emissions
1
2024
5
0.240
Why?
Cholesterol
1
2025
64
0.230
Why?
Air Pollutants
1
2024
11
0.230
Why?
Air Pollution
1
2024
14
0.230
Why?
Environmental Exposure
1
2024
17
0.230
Why?
Particulate Matter
1
2024
18
0.230
Why?
Survivors
3
2022
70
0.230
Why?
Heterozygote
1
2025
100
0.230
Why?
Amyloid beta-Peptides
2
2024
324
0.220
Why?
Florida
1
2023
17
0.210
Why?
Sex Factors
2
2022
461
0.210
Why?
Adult
11
2023
7793
0.210
Why?
Risk Assessment
2
2024
626
0.210
Why?
Tocopherols
1
2023
8
0.210
Why?
alpha-Tocopherol
1
2023
13
0.210
Why?
Diet, Vegetarian
1
2022
8
0.200
Why?
Flavonols
1
2022
11
0.200
Why?
Regression Analysis
4
2011
260
0.200
Why?
Vitamins
1
2022
19
0.200
Why?
Brain Infarction
1
2023
75
0.200
Why?
Dietary Supplements
1
2022
66
0.200
Why?
Age Factors
2
2022
759
0.190
Why?
Life Expectancy
1
2022
28
0.190
Why?
Cognitive Reserve
1
2022
39
0.190
Why?
Renin-Angiotensin System
1
2021
3
0.190
Why?
Stress, Psychological
2
2014
235
0.190
Why?
Blood-Brain Barrier
1
2021
37
0.180
Why?
Cost of Illness
1
2021
50
0.180
Why?
Brain
4
2024
1649
0.180
Why?
Noise
1
2020
24
0.170
Why?
Early Diagnosis
1
2020
57
0.170
Why?
Mental Status Schedule
2
2018
90
0.170
Why?
Neuroimaging
1
2020
126
0.160
Why?
Cerebral Cortex
1
2020
155
0.160
Why?
Confidence Intervals
2
2017
92
0.160
Why?
Phototherapy
1
2019
30
0.160
Why?
Residence Characteristics
1
2020
214
0.160
Why?
Metabolic Networks and Pathways
1
2018
12
0.150
Why?
Parkinsonian Disorders
1
2022
225
0.150
Why?
Social Networking
1
2018
11
0.150
Why?
Healthy Aging
1
2018
14
0.150
Why?
Hippocampus
1
2020
273
0.150
Why?
Interviews as Topic
2
2016
132
0.150
Why?
Behavioral Symptoms
1
2018
12
0.150
Why?
Psychotropic Drugs
1
2018
26
0.150
Why?
Odds Ratio
2
2017
268
0.150
Why?
Nursing Homes
1
2018
36
0.150
Why?
Socioeconomic Factors
3
2014
302
0.140
Why?
Social Environment
1
2018
76
0.140
Why?
Surveys and Questionnaires
5
2016
1140
0.140
Why?
Defecation
1
2017
5
0.140
Why?
Starch
1
2017
10
0.140
Why?
Pain Management
1
2019
143
0.140
Why?
Microspheres
1
2017
26
0.140
Why?
Genetic Association Studies
1
2017
83
0.140
Why?
Parkinson Disease
2
2022
670
0.140
Why?
Low Back Pain
1
2019
130
0.140
Why?
Dietary Fiber
1
2017
27
0.140
Why?
Prebiotics
1
2017
22
0.140
Why?
Invasive Fungal Infections
1
2017
5
0.140
Why?
Mucormycosis
1
2017
8
0.140
Why?
Aspergillosis
1
2017
11
0.140
Why?
Frozen Sections
1
2017
14
0.140
Why?
Birth Order
1
2016
1
0.140
Why?
Parity
1
2016
2
0.140
Why?
Reproductive Behavior
1
2016
2
0.140
Why?
Reproduction
1
2016
10
0.130
Why?
Iodide Peroxidase
1
2018
112
0.130
Why?
Inflammation
1
2018
271
0.130
Why?
Warfare
1
2016
12
0.130
Why?
Quantitative Trait Loci
1
2016
46
0.130
Why?
Terrorism
1
2016
9
0.130
Why?
Interview, Psychological
2
2014
41
0.130
Why?
Reading
1
2016
38
0.130
Why?
Clinical Competence
2
2015
205
0.120
Why?
Brief Psychiatric Rating Scale
1
2015
6
0.120
Why?
Overweight
2
2014
72
0.120
Why?
Self Report
1
2016
223
0.120
Why?
Insulin
2
2014
89
0.120
Why?
Carbohydrate Metabolism
1
2015
3
0.120
Why?
Carbohydrates
1
2015
4
0.120
Why?
Chromatography, Gas
1
2015
9
0.120
Why?
Urinalysis
1
2015
7
0.120
Why?
Health Status
2
2014
218
0.120
Why?
Blood Glucose
2
2014
104
0.120
Why?
Models, Genetic
1
2015
41
0.120
Why?
Adipose Tissue
3
2005
76
0.120
Why?
Anxiety Disorders
1
2016
171
0.120
Why?
Rhinitis
1
2017
144
0.120
Why?
Educational Measurement
1
2015
57
0.120
Why?
Sinusitis
1
2017
162
0.110
Why?
Demography
1
2014
72
0.110
Why?
Hospitalization
2
2014
301
0.110
Why?
Intelligence Tests
1
2014
16
0.110
Why?
Cats
1
2014
29
0.110
Why?
Hypoglycemia
1
2014
12
0.110
Why?
Models, Psychological
1
2014
69
0.110
Why?
Medicare
1
2014
118
0.110
Why?
Intestinal Mucosa
1
2015
156
0.110
Why?
Colitis, Ulcerative
1
2014
59
0.110
Why?
Proportional Hazards Models
1
2014
346
0.110
Why?
Ultrasonography
1
2015
227
0.110
Why?
Mindfulness
1
2014
47
0.100
Why?
Stress Disorders, Post-Traumatic
1
2016
231
0.100
Why?
Psychiatric Status Rating Scales
1
2014
309
0.100
Why?
Emergency Medicine
1
2015
94
0.100
Why?
Databases, Factual
1
2014
345
0.100
Why?
Urban Population
1
2013
153
0.100
Why?
Diabetes Mellitus
1
2014
127
0.100
Why?
Colonoscopy
1
2013
72
0.100
Why?
Adenoma
1
2013
60
0.100
Why?
Social Support
1
2014
196
0.100
Why?
Multicenter Studies as Topic
1
2011
43
0.090
Why?
Vascular Diseases
1
2011
42
0.090
Why?
Colorectal Neoplasms
1
2013
111
0.090
Why?
ROC Curve
1
2011
141
0.090
Why?
Gait
1
2015
412
0.090
Why?
Breast Neoplasms
3
2004
408
0.090
Why?
Elder Abuse
1
2011
35
0.090
Why?
Prostatic Neoplasms
1
2011
112
0.090
Why?
Frail Elderly
1
2010
51
0.090
Why?
Testosterone
3
2004
28
0.080
Why?
Self Care
1
2010
89
0.080
Why?
Computer Simulation
1
2010
194
0.080
Why?
Quality of Life
1
2014
627
0.080
Why?
Sensitivity and Specificity
3
2017
479
0.070
Why?
Algorithms
1
2010
348
0.070
Why?
Femoracetabular Impingement
1
2015
373
0.070
Why?
Common Cold
1
2006
6
0.070
Why?
Young Adult
3
2018
1984
0.070
Why?
C-Reactive Protein
2
2018
96
0.060
Why?
Animals
1
2014
3627
0.060
Why?
Pilot Projects
2
2019
417
0.060
Why?
Smoking Prevention
1
2005
17
0.060
Why?
Phenotype
2
2016
312
0.060
Why?
Feces
2
2017
103
0.060
Why?
Parent-Child Relations
1
2005
37
0.060
Why?
Observer Variation
2
2015
93
0.060
Why?
Nitrogen Dioxide
1
2024
4
0.060
Why?
Nitrogen Oxides
1
2024
4
0.060
Why?
Peptide Hormones
1
2004
3
0.060
Why?
Copper
1
2024
18
0.060
Why?
Smoking Cessation
1
2005
47
0.060
Why?
Diet, Reducing
1
2004
12
0.060
Why?
Attitude to Health
1
2005
99
0.060
Why?
Zinc
1
2024
42
0.060
Why?
Double-Blind Method
2
2017
404
0.060
Why?
Sulfotransferases
1
2004
6
0.060
Why?
Androgens
1
2004
8
0.060
Why?
Glucuronosyltransferase
1
2004
4
0.060
Why?
Metabolic Syndrome
1
2005
58
0.060
Why?
Estrogens
1
2004
25
0.060
Why?
Psychomotor Performance
2
2018
205
0.060
Why?
Parents
1
2005
113
0.050
Why?
Gonadal Steroid Hormones
1
2003
10
0.050
Why?
Quercetin
1
2022
13
0.050
Why?
Kaempferols
1
2022
12
0.050
Why?
Cross-Sectional Studies
2
2016
890
0.050
Why?
Eating
1
2022
58
0.050
Why?
Leisure Activities
1
2022
15
0.050
Why?
Memory, Short-Term
1
2022
97
0.050
Why?
Diet Surveys
1
2021
25
0.050
Why?
Logistic Models
2
2013
395
0.050
Why?
Washington
3
2006
5
0.050
Why?
Atrophy
1
2021
91
0.050
Why?
Tremor
1
2022
104
0.040
Why?
Autopsy
1
2021
344
0.040
Why?
Alcohol Drinking
1
2020
75
0.040
Why?
Smoking
2
2015
174
0.040
Why?
Memory
2
2011
297
0.040
Why?
Child
2
2018
1290
0.040
Why?
Pain Threshold
1
2019
25
0.040
Why?
Mendelian Randomization Analysis
1
2018
8
0.040
Why?
Military Personnel
1
2019
39
0.040
Why?
Schizophrenia
1
2018
62
0.040
Why?
Neurotic Disorders
1
2018
19
0.040
Why?
Threonine
1
2018
9
0.040
Why?
Amino Acid Substitution
1
2018
23
0.040
Why?
Alanine
1
2018
12
0.040
Why?
Gene Frequency
1
2018
60
0.040
Why?
Awareness
1
2018
42
0.040
Why?
Community Health Planning
1
2018
20
0.040
Why?
Bipolar Disorder
1
2018
130
0.040
Why?
Adolescent
2
2018
2156
0.040
Why?
Liver
1
2018
145
0.040
Why?
Fermentation
1
2017
13
0.040
Why?
Constipation
1
2017
16
0.040
Why?
Veterans
1
2019
96
0.030
Why?
Fatty Acids, Volatile
1
2017
31
0.030
Why?
Educational Status
1
2018
293
0.030
Why?
Chronic Pain
1
2019
134
0.030
Why?
Mucor
1
2017
5
0.030
Why?
Aspergillus
1
2017
7
0.030
Why?
Nasal Surgical Procedures
1
2017
10
0.030
Why?
Gastrointestinal Tract
1
2017
47
0.030
Why?
Maternal Age
1
2016
15
0.030
Why?
Oncogene Protein v-akt
1
2016
10
0.030
Why?
Fertility
1
2016
18
0.030
Why?
Russia
1
2016
4
0.030
Why?
Jews
1
2016
4
0.030
Why?
Immunocompromised Host
1
2017
46
0.030
Why?
Israel
1
2016
15
0.030
Why?
Emigration and Immigration
1
2016
14
0.030
Why?
Arabs
1
2016
9
0.030
Why?
Nose
1
2017
38
0.030
Why?
Phosphatidylinositol 3-Kinases
1
2016
44
0.030
Why?
Acute Disease
1
2017
176
0.030
Why?
Case-Control Studies
1
2018
587
0.030
Why?
Circadian Rhythm
1
2019
235
0.030
Why?
Sleep
1
2019
328
0.030
Why?
Pregnancy
1
2016
335
0.030
Why?
Ankle
1
2015
24
0.030
Why?
Gallbladder
1
2015
3
0.030
Why?
Anatomic Landmarks
1
2015
5
0.030
Why?
Endoscopy
1
2017
179
0.030
Why?
Chromosomes, Human
1
2015
6
0.030
Why?
Knee
1
2015
44
0.030
Why?
Kidney Function Tests
1
2015
15
0.030
Why?
Meta-Analysis as Topic
1
2015
38
0.030
Why?
Gastrointestinal Microbiome
1
2017
158
0.030
Why?
Healthy Volunteers
1
2015
40
0.030
Why?
Decision Making
1
2017
221
0.030
Why?
Intestinal Absorption
1
2015
29
0.030
Why?
Permeability
1
2015
97
0.030
Why?
Hip
1
2015
67
0.030
Why?
Kinetics
1
2015
188
0.030
Why?
China
1
2014
46
0.030
Why?
Retrospective Studies
2
2014
3522
0.030
Why?
Leukocyte L1 Antigen Complex
1
2014
6
0.030
Why?
Body Weight
2
2004
134
0.030
Why?
Interleukins
1
2014
23
0.030
Why?
Estrone
2
2004
8
0.030
Why?
Point-of-Care Systems
1
2015
58
0.030
Why?
Sex Hormone-Binding Globulin
2
2004
16
0.030
Why?
Hydrocortisone
1
2014
39
0.030
Why?
Sex Characteristics
1
2015
116
0.030
Why?
Estradiol
2
2004
53
0.030
Why?
Disease-Free Survival
1
2014
174
0.030
Why?
Acute Kidney Injury
1
2014
38
0.030
Why?
Patient Compliance
2
2005
150
0.030
Why?
Radiography
1
2015
616
0.030
Why?
Biomechanical Phenomena
1
2015
627
0.030
Why?
Chi-Square Distribution
1
2013
138
0.030
Why?
Attention
1
2014
124
0.030
Why?
Critical Illness
1
2014
117
0.030
Why?
Medical Record Linkage
1
2011
1
0.020
Why?
Early Detection of Cancer
1
2013
103
0.020
Why?
Range of Motion, Articular
1
2015
698
0.020
Why?
Length of Stay
1
2014
315
0.020
Why?
Intensive Care Units
1
2014
261
0.020
Why?
Perception
1
2011
77
0.020
Why?
Risk
1
2011
203
0.020
Why?
Trail Making Test
1
2010
4
0.020
Why?
Wechsler Scales
1
2010
11
0.020
Why?
Epidemiologic Research Design
1
2010
15
0.020
Why?
Cross Infection
1
2014
302
0.020
Why?
Psychometrics
1
2010
220
0.020
Why?
Caregivers
1
2011
197
0.020
Why?
Severity of Illness Index
1
2010
877
0.020
Why?
Influenza Vaccines
1
2006
12
0.020
Why?
Respiratory Tract Infections
1
2006
25
0.020
Why?
Health Education
1
2005
48
0.010
Why?
Leptin
1
2005
21
0.010
Why?
Ghrelin
1
2004
2
0.010
Why?
Body Size
1
2004
11
0.010
Why?
Homeostasis
1
2005
66
0.010
Why?
Insulin Resistance
1
2005
50
0.010
Why?
Arylsulfotransferase
1
2004
1
0.010
Why?
Radioimmunoassay
1
2004
19
0.010
Why?
Body Composition
1
2005
68
0.010
Why?
Receptors, Progesterone
1
2004
26
0.010
Why?
Energy Intake
1
2004
83
0.010
Why?
Polymorphism, Genetic
1
2004
60
0.010
Why?
Receptors, Estrogen
1
2004
65
0.010
Why?
New Mexico
1
2003
3
0.010
Why?
Dehydroepiandrosterone Sulfate
1
2003
5
0.010
Why?
Anthropometry
1
2003
34
0.010
Why?
Absorptiometry, Photon
1
2003
84
0.010
Why?
Neoplasm Staging
1
2003
362
0.010
Why?
Tomography, X-Ray Computed
1
2004
683
0.010
Why?
Rajan's Networks
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