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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
982
12.880
Why?
Apolipoprotein E4
17
2025
250
6.650
Why?
Alzheimer Disease
23
2025
2020
5.040
Why?
Aged
82
2025
8382
3.670
Why?
Cognition
30
2024
1237
3.410
Why?
tau Proteins
6
2025
224
2.880
Why?
Female
88
2025
14048
2.860
Why?
Chicago
29
2025
858
2.860
Why?
Neurofilament Proteins
4
2025
17
2.740
Why?
Male
78
2025
13669
2.730
Why?
Cognition Disorders
14
2018
943
2.620
Why?
Humans
105
2025
24703
2.570
Why?
Stroke
6
2023
254
2.480
Why?
Aged, 80 and over
41
2025
4509
2.440
Why?
Neurodegenerative Diseases
3
2025
122
2.350
Why?
Longitudinal Studies
28
2025
1293
2.330
Why?
Aging
14
2025
1460
2.190
Why?
Cohort Studies
25
2025
1748
2.100
Why?
Biomarkers
11
2025
520
2.040
Why?
Risk Factors
25
2025
2099
1.960
Why?
Glial Fibrillary Acidic Protein
3
2025
43
1.810
Why?
Apolipoproteins E
8
2023
235
1.790
Why?
Alleles
9
2024
197
1.780
Why?
Exercise
9
2023
399
1.560
Why?
Blood Pressure
3
2024
173
1.550
Why?
Activities of Daily Living
9
2018
571
1.490
Why?
White Matter
3
2022
131
1.490
Why?
Prospective Studies
15
2025
1612
1.410
Why?
Population Surveillance
3
2021
106
1.370
Why?
Dementia
9
2024
519
1.300
Why?
Vitamin E
2
2023
43
1.220
Why?
Intermediate Filaments
4
2023
19
1.200
Why?
Cardiovascular Diseases
2
2025
270
1.200
Why?
Genotype
7
2024
332
1.160
Why?
Incidence
12
2025
697
1.160
Why?
Memory Disorders
3
2024
152
1.100
Why?
Disease Progression
11
2019
632
1.090
Why?
Dietary Approaches To Stop Hypertension
2
2024
30
1.070
Why?
Loneliness
2
2025
54
1.070
Why?
Diet, Mediterranean
3
2024
82
1.050
Why?
Mortality
4
2021
84
1.010
Why?
Lipids
1
2025
46
0.920
Why?
Social Isolation
1
2025
26
0.910
Why?
United States
12
2024
1873
0.910
Why?
Disability Evaluation
4
2014
252
0.880
Why?
Dietary Fats
1
2024
38
0.870
Why?
Whole Grains
1
2023
4
0.860
Why?
Depression
4
2014
390
0.810
Why?
Neuropathology
3
2021
79
0.800
Why?
Vitamin D
1
2022
29
0.760
Why?
Healthy Lifestyle
5
2024
39
0.750
Why?
Antihypertensive Agents
2
2021
41
0.740
Why?
Independent Living
5
2025
280
0.720
Why?
Membrane Proteins
1
2021
159
0.670
Why?
Geriatric Assessment
5
2021
199
0.650
Why?
Follow-Up Studies
11
2024
1671
0.610
Why?
Neuropsychological Tests
11
2018
1135
0.600
Why?
Time Factors
10
2021
1327
0.580
Why?
Diet
4
2023
192
0.580
Why?
Art
1
2016
1
0.530
Why?
Genetic Predisposition to Disease
6
2022
358
0.520
Why?
Mental Status and Dementia Tests
3
2023
53
0.520
Why?
Music
1
2016
21
0.520
Why?
Diabetes Complications
1
2016
54
0.510
Why?
Models, Statistical
2
2021
123
0.500
Why?
Life Style
5
2022
174
0.490
Why?
Prevalence
3
2023
411
0.480
Why?
Obesity
6
2014
280
0.480
Why?
Mobility Limitation
2
2015
91
0.460
Why?
Cognitive Aging
4
2021
77
0.460
Why?
Body Mass Index
6
2018
421
0.460
Why?
Depressive Disorder
1
2015
167
0.450
Why?
Diabetes Mellitus, Type 2
1
2016
150
0.450
Why?
Gene-Environment Interaction
1
2014
17
0.440
Why?
Dopamine Agents
1
2014
11
0.430
Why?
Memantine
1
2014
9
0.430
Why?
Polymorphism, Single Nucleotide
5
2021
253
0.430
Why?
Genome-Wide Association Study
5
2022
262
0.430
Why?
Antioxidants
1
2014
60
0.420
Why?
Motor Activity
2
2015
308
0.420
Why?
Health Status Disparities
1
2013
69
0.390
Why?
Memory, Episodic
3
2018
110
0.390
Why?
Diagnosis
1
2011
23
0.370
Why?
Area Under Curve
1
2011
60
0.370
Why?
Medical Informatics
1
2011
8
0.370
Why?
Linear Models
3
2016
234
0.350
Why?
Refusal to Participate
1
2010
2
0.340
Why?
Predictive Value of Tests
3
2021
412
0.340
Why?
Disabled Persons
1
2012
107
0.340
Why?
Middle Aged
21
2019
8294
0.300
Why?
Age of Onset
3
2014
89
0.300
Why?
Genetic Loci
3
2018
50
0.290
Why?
Postmenopause
7
2006
51
0.270
Why?
Magnetic Resonance Imaging
2
2022
1026
0.260
Why?
Hypertension
2
2024
169
0.250
Why?
Triglycerides
2
2025
51
0.250
Why?
Neuroticism
2
2023
32
0.240
Why?
Hypoglycemic Agents
2
2016
34
0.230
Why?
Vehicle Emissions
1
2024
5
0.230
Why?
Cholesterol
1
2025
58
0.230
Why?
Environmental Exposure
1
2024
16
0.230
Why?
Air Pollutants
1
2024
11
0.230
Why?
Air Pollution
1
2024
14
0.230
Why?
Particulate Matter
1
2024
17
0.230
Why?
Survivors
3
2022
67
0.230
Why?
Heterozygote
1
2025
95
0.230
Why?
Amyloid beta-Peptides
2
2024
305
0.220
Why?
Adult
11
2023
7255
0.220
Why?
Risk Assessment
2
2024
532
0.210
Why?
Florida
1
2023
17
0.210
Why?
Sex Factors
2
2022
443
0.210
Why?
Tocopherols
1
2023
8
0.200
Why?
alpha-Tocopherol
1
2023
12
0.200
Why?
Flavonols
1
2022
7
0.200
Why?
Diet, Vegetarian
1
2022
6
0.200
Why?
Regression Analysis
4
2011
240
0.200
Why?
Vitamins
1
2022
16
0.200
Why?
Brain Infarction
1
2023
75
0.190
Why?
Age Factors
2
2022
728
0.190
Why?
Dietary Supplements
1
2022
55
0.190
Why?
Life Expectancy
1
2022
26
0.190
Why?
Cognitive Reserve
1
2022
39
0.190
Why?
Stress, Psychological
2
2014
217
0.190
Why?
Renin-Angiotensin System
1
2021
3
0.180
Why?
Blood-Brain Barrier
1
2021
22
0.180
Why?
Brain
4
2024
1539
0.180
Why?
Cost of Illness
1
2021
46
0.180
Why?
Noise
1
2020
24
0.170
Why?
Early Diagnosis
1
2020
54
0.170
Why?
Mental Status Schedule
2
2018
88
0.160
Why?
Neuroimaging
1
2020
118
0.160
Why?
Cerebral Cortex
1
2020
146
0.160
Why?
Residence Characteristics
1
2020
201
0.150
Why?
Parkinsonian Disorders
1
2022
205
0.150
Why?
Confidence Intervals
2
2017
87
0.150
Why?
Phototherapy
1
2019
26
0.150
Why?
Metabolic Networks and Pathways
1
2018
12
0.150
Why?
Social Networking
1
2018
9
0.150
Why?
Hippocampus
1
2020
262
0.150
Why?
Healthy Aging
1
2018
12
0.150
Why?
Interviews as Topic
2
2016
123
0.150
Why?
Odds Ratio
2
2017
251
0.140
Why?
Behavioral Symptoms
1
2018
12
0.140
Why?
Psychotropic Drugs
1
2018
26
0.140
Why?
Surveys and Questionnaires
5
2016
1042
0.140
Why?
Nursing Homes
1
2018
41
0.140
Why?
Socioeconomic Factors
3
2014
279
0.140
Why?
Social Environment
1
2018
76
0.140
Why?
Parkinson Disease
2
2022
633
0.140
Why?
Pain Management
1
2019
140
0.140
Why?
Defecation
1
2017
5
0.140
Why?
Starch
1
2017
9
0.140
Why?
Low Back Pain
1
2019
124
0.140
Why?
Microspheres
1
2017
24
0.140
Why?
Genetic Association Studies
1
2017
81
0.140
Why?
Dietary Fiber
1
2017
24
0.140
Why?
Prebiotics
1
2017
18
0.130
Why?
Invasive Fungal Infections
1
2017
5
0.130
Why?
Mucormycosis
1
2017
8
0.130
Why?
Frozen Sections
1
2017
13
0.130
Why?
Aspergillosis
1
2017
13
0.130
Why?
Birth Order
1
2016
1
0.130
Why?
Parity
1
2016
2
0.130
Why?
Reproductive Behavior
1
2016
2
0.130
Why?
Reproduction
1
2016
7
0.130
Why?
Inflammation
1
2018
258
0.130
Why?
Iodide Peroxidase
1
2018
113
0.130
Why?
Quantitative Trait Loci
1
2016
44
0.130
Why?
Warfare
1
2016
11
0.130
Why?
Terrorism
1
2016
9
0.130
Why?
Interview, Psychological
2
2014
40
0.130
Why?
Reading
1
2016
36
0.130
Why?
Clinical Competence
2
2015
198
0.120
Why?
Brief Psychiatric Rating Scale
1
2015
6
0.120
Why?
Overweight
2
2014
68
0.120
Why?
Self Report
1
2016
199
0.120
Why?
Health Status
2
2014
195
0.120
Why?
Insulin
2
2014
82
0.120
Why?
Blood Glucose
2
2014
93
0.120
Why?
Carbohydrate Metabolism
1
2015
4
0.120
Why?
Carbohydrates
1
2015
5
0.120
Why?
Chromatography, Gas
1
2015
10
0.120
Why?
Urinalysis
1
2015
8
0.120
Why?
Adipose Tissue
3
2005
71
0.120
Why?
Models, Genetic
1
2015
30
0.120
Why?
Rhinitis
1
2017
135
0.120
Why?
Anxiety Disorders
1
2016
167
0.110
Why?
Educational Measurement
1
2015
54
0.110
Why?
Sinusitis
1
2017
151
0.110
Why?
Demography
1
2014
68
0.110
Why?
Hospitalization
2
2014
286
0.110
Why?
Intelligence Tests
1
2014
15
0.110
Why?
Cats
1
2014
28
0.110
Why?
Hypoglycemia
1
2014
12
0.110
Why?
Medicare
1
2014
111
0.110
Why?
Colitis, Ulcerative
1
2014
52
0.110
Why?
Models, Psychological
1
2014
65
0.110
Why?
Intestinal Mucosa
1
2015
150
0.100
Why?
Proportional Hazards Models
1
2014
303
0.100
Why?
Stress Disorders, Post-Traumatic
1
2016
212
0.100
Why?
Ultrasonography
1
2015
202
0.100
Why?
Mindfulness
1
2014
42
0.100
Why?
Psychiatric Status Rating Scales
1
2014
286
0.100
Why?
Databases, Factual
1
2014
315
0.100
Why?
Emergency Medicine
1
2015
92
0.100
Why?
Diabetes Mellitus
1
2014
113
0.100
Why?
Urban Population
1
2013
141
0.100
Why?
Social Support
1
2014
183
0.100
Why?
Colonoscopy
1
2013
72
0.100
Why?
Adenoma
1
2013
58
0.100
Why?
Multicenter Studies as Topic
1
2011
38
0.090
Why?
Vascular Diseases
1
2011
39
0.090
Why?
Colorectal Neoplasms
1
2013
109
0.090
Why?
ROC Curve
1
2011
131
0.090
Why?
Breast Neoplasms
3
2004
374
0.090
Why?
Gait
1
2015
407
0.090
Why?
Elder Abuse
1
2011
35
0.090
Why?
Prostatic Neoplasms
1
2011
85
0.090
Why?
Frail Elderly
1
2010
45
0.080
Why?
Testosterone
3
2004
23
0.080
Why?
Self Care
1
2010
82
0.080
Why?
Quality of Life
1
2014
541
0.080
Why?
Computer Simulation
1
2010
174
0.080
Why?
Sensitivity and Specificity
3
2017
437
0.070
Why?
Femoracetabular Impingement
1
2015
362
0.070
Why?
Algorithms
1
2010
330
0.070
Why?
Young Adult
3
2018
1847
0.070
Why?
Common Cold
1
2006
5
0.070
Why?
Animals
1
2014
3330
0.060
Why?
C-Reactive Protein
2
2018
95
0.060
Why?
Pilot Projects
2
2019
370
0.060
Why?
Phenotype
2
2016
280
0.060
Why?
Smoking Prevention
1
2005
17
0.060
Why?
Feces
2
2017
77
0.060
Why?
Parent-Child Relations
1
2005
38
0.060
Why?
Observer Variation
2
2015
95
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
16
0.060
Why?
Smoking Cessation
1
2005
46
0.060
Why?
Diet, Reducing
1
2004
12
0.060
Why?
Zinc
1
2024
24
0.060
Why?
Double-Blind Method
2
2017
367
0.060
Why?
Attitude to Health
1
2005
95
0.060
Why?
Sulfotransferases
1
2004
5
0.060
Why?
Androgens
1
2004
6
0.060
Why?
Glucuronosyltransferase
1
2004
4
0.060
Why?
Metabolic Syndrome
1
2005
49
0.060
Why?
Psychomotor Performance
2
2018
178
0.050
Why?
Estrogens
1
2004
25
0.050
Why?
Parents
1
2005
105
0.050
Why?
Gonadal Steroid Hormones
1
2003
10
0.050
Why?
Quercetin
1
2022
7
0.050
Why?
Kaempferols
1
2022
8
0.050
Why?
Cross-Sectional Studies
2
2016
807
0.050
Why?
Eating
1
2022
48
0.050
Why?
Memory, Short-Term
1
2022
87
0.050
Why?
Leisure Activities
1
2022
15
0.050
Why?
Logistic Models
2
2013
365
0.050
Why?
Diet Surveys
1
2021
25
0.050
Why?
Washington
3
2006
5
0.040
Why?
Atrophy
1
2021
81
0.040
Why?
Tremor
1
2022
101
0.040
Why?
Autopsy
1
2021
329
0.040
Why?
Child
2
2018
1131
0.040
Why?
Alcohol Drinking
1
2020
71
0.040
Why?
Smoking
2
2015
172
0.040
Why?
Memory
2
2011
281
0.040
Why?
Pain Threshold
1
2019
25
0.040
Why?
Mendelian Randomization Analysis
1
2018
8
0.040
Why?
Military Personnel
1
2019
37
0.040
Why?
Schizophrenia
1
2018
50
0.040
Why?
Neurotic Disorders
1
2018
19
0.040
Why?
Threonine
1
2018
8
0.040
Why?
Amino Acid Substitution
1
2018
21
0.040
Why?
Alanine
1
2018
11
0.040
Why?
Gene Frequency
1
2018
55
0.040
Why?
Awareness
1
2018
41
0.040
Why?
Community Health Planning
1
2018
18
0.040
Why?
Bipolar Disorder
1
2018
102
0.040
Why?
Adolescent
2
2018
1992
0.040
Why?
Veterans
1
2019
74
0.030
Why?
Liver
1
2018
142
0.030
Why?
Fermentation
1
2017
12
0.030
Why?
Constipation
1
2017
16
0.030
Why?
Educational Status
1
2018
278
0.030
Why?
Fatty Acids, Volatile
1
2017
25
0.030
Why?
Chronic Pain
1
2019
129
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
37
0.030
Why?
Immunocompromised Host
1
2017
39
0.030
Why?
Maternal Age
1
2016
13
0.030
Why?
Fertility
1
2016
12
0.030
Why?
Oncogene Protein v-akt
1
2016
9
0.030
Why?
Russia
1
2016
4
0.030
Why?
Jews
1
2016
4
0.030
Why?
Nose
1
2017
32
0.030
Why?
Israel
1
2016
11
0.030
Why?
Emigration and Immigration
1
2016
13
0.030
Why?
Arabs
1
2016
8
0.030
Why?
Acute Disease
1
2017
160
0.030
Why?
Sleep
1
2019
284
0.030
Why?
Phosphatidylinositol 3-Kinases
1
2016
43
0.030
Why?
Case-Control Studies
1
2018
555
0.030
Why?
Circadian Rhythm
1
2019
221
0.030
Why?
Pregnancy
1
2016
315
0.030
Why?
Endoscopy
1
2017
168
0.030
Why?
Ankle
1
2015
23
0.030
Why?
Gallbladder
1
2015
3
0.030
Why?
Gastrointestinal Microbiome
1
2017
123
0.030
Why?
Anatomic Landmarks
1
2015
5
0.030
Why?
Knee
1
2015
43
0.030
Why?
Chromosomes, Human
1
2015
6
0.030
Why?
Kidney Function Tests
1
2015
13
0.030
Why?
Retrospective Studies
2
2014
3156
0.030
Why?
Meta-Analysis as Topic
1
2015
37
0.030
Why?
Healthy Volunteers
1
2015
36
0.030
Why?
Decision Making
1
2017
211
0.030
Why?
Intestinal Absorption
1
2015
30
0.030
Why?
Permeability
1
2015
88
0.030
Why?
Kinetics
1
2015
149
0.030
Why?
Hip
1
2015
66
0.030
Why?
China
1
2014
47
0.030
Why?
Body Weight
2
2004
128
0.030
Why?
Leukocyte L1 Antigen Complex
1
2014
5
0.030
Why?
Interleukins
1
2014
22
0.030
Why?
Point-of-Care Systems
1
2015
55
0.030
Why?
Estrone
2
2004
7
0.030
Why?
Sex Characteristics
1
2015
110
0.030
Why?
Hydrocortisone
1
2014
34
0.030
Why?
Sex Hormone-Binding Globulin
2
2004
13
0.030
Why?
Estradiol
2
2004
46
0.030
Why?
Disease-Free Survival
1
2014
145
0.030
Why?
Acute Kidney Injury
1
2014
37
0.030
Why?
Patient Compliance
2
2005
144
0.030
Why?
Radiography
1
2015
611
0.030
Why?
Attention
1
2014
97
0.030
Why?
Biomechanical Phenomena
1
2015
630
0.030
Why?
Chi-Square Distribution
1
2013
125
0.030
Why?
Critical Illness
1
2014
106
0.020
Why?
Early Detection of Cancer
1
2013
101
0.020
Why?
Medical Record Linkage
1
2011
1
0.020
Why?
Range of Motion, Articular
1
2015
708
0.020
Why?
Length of Stay
1
2014
294
0.020
Why?
Intensive Care Units
1
2014
246
0.020
Why?
Perception
1
2011
73
0.020
Why?
Risk
1
2011
199
0.020
Why?
Trail Making Test
1
2010
4
0.020
Why?
Wechsler Scales
1
2010
11
0.020
Why?
Cross Infection
1
2014
291
0.020
Why?
Epidemiologic Research Design
1
2010
15
0.020
Why?
Psychometrics
1
2010
197
0.020
Why?
Caregivers
1
2011
185
0.020
Why?
Severity of Illness Index
1
2010
814
0.020
Why?
Influenza Vaccines
1
2006
9
0.020
Why?
Respiratory Tract Infections
1
2006
24
0.020
Why?
Health Education
1
2005
43
0.010
Why?
Leptin
1
2005
19
0.010
Why?
Ghrelin
1
2004
2
0.010
Why?
Body Size
1
2004
9
0.010
Why?
Homeostasis
1
2005
64
0.010
Why?
Insulin Resistance
1
2005
45
0.010
Why?
Body Composition
1
2005
62
0.010
Why?
Arylsulfotransferase
1
2004
1
0.010
Why?
Radioimmunoassay
1
2004
19
0.010
Why?
Receptors, Progesterone
1
2004
22
0.010
Why?
Energy Intake
1
2004
74
0.010
Why?
Receptors, Estrogen
1
2004
51
0.010
Why?
Polymorphism, Genetic
1
2004
51
0.010
Why?
New Mexico
1
2003
3
0.010
Why?
Dehydroepiandrosterone Sulfate
1
2003
4
0.010
Why?
Anthropometry
1
2003
30
0.010
Why?
Absorptiometry, Photon
1
2003
78
0.010
Why?
Neoplasm Staging
1
2003
332
0.010
Why?
Tomography, X-Ray Computed
1
2004
613
0.010
Why?
Rajan's Networks
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