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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
905
13.160
Why?
Apolipoprotein E4
17
2025
222
6.740
Why?
Alzheimer Disease
23
2025
1774
5.300
Why?
Aged
82
2025
7669
3.800
Why?
Cognition
30
2024
1104
3.540
Why?
Female
88
2025
12677
2.970
Why?
tau Proteins
6
2025
197
2.940
Why?
Chicago
29
2025
808
2.890
Why?
Male
78
2025
12453
2.820
Why?
Neurofilament Proteins
4
2025
16
2.760
Why?
Cognition Disorders
14
2018
807
2.750
Why?
Humans
105
2025
22848
2.640
Why?
Stroke
6
2023
207
2.560
Why?
Aged, 80 and over
41
2025
4055
2.540
Why?
Neurodegenerative Diseases
3
2025
96
2.420
Why?
Longitudinal Studies
28
2025
1122
2.400
Why?
Aging
14
2025
1290
2.280
Why?
Cohort Studies
25
2025
1621
2.150
Why?
Biomarkers
11
2025
453
2.110
Why?
Risk Factors
25
2025
1942
2.000
Why?
Glial Fibrillary Acidic Protein
3
2025
32
1.840
Why?
Apolipoproteins E
8
2023
217
1.820
Why?
Alleles
9
2024
173
1.800
Why?
Exercise
9
2023
305
1.670
Why?
Blood Pressure
3
2024
160
1.570
Why?
White Matter
3
2022
116
1.520
Why?
Activities of Daily Living
9
2018
539
1.510
Why?
Prospective Studies
15
2025
1528
1.420
Why?
Population Surveillance
3
2021
103
1.390
Why?
Dementia
9
2024
484
1.330
Why?
Cardiovascular Diseases
2
2025
235
1.240
Why?
Vitamin E
2
2023
42
1.230
Why?
Intermediate Filaments
4
2023
16
1.210
Why?
Incidence
12
2025
649
1.170
Why?
Genotype
7
2024
301
1.170
Why?
Disease Progression
11
2019
554
1.120
Why?
Memory Disorders
3
2024
128
1.120
Why?
Dietary Approaches To Stop Hypertension
2
2024
32
1.070
Why?
Loneliness
2
2025
56
1.070
Why?
Diet, Mediterranean
3
2024
90
1.040
Why?
Mortality
4
2021
75
1.020
Why?
United States
12
2024
1726
0.930
Why?
Lipids
1
2025
46
0.920
Why?
Social Isolation
1
2025
29
0.910
Why?
Disability Evaluation
4
2014
223
0.900
Why?
Dietary Fats
1
2024
37
0.870
Why?
Whole Grains
1
2023
7
0.860
Why?
Depression
4
2014
375
0.810
Why?
Neuropathology
3
2021
73
0.810
Why?
Vitamin D
1
2022
33
0.770
Why?
Healthy Lifestyle
5
2024
36
0.760
Why?
Independent Living
5
2025
265
0.750
Why?
Antihypertensive Agents
2
2021
45
0.750
Why?
Membrane Proteins
1
2021
144
0.680
Why?
Geriatric Assessment
5
2021
177
0.660
Why?
Follow-Up Studies
11
2024
1494
0.630
Why?
Neuropsychological Tests
11
2018
982
0.610
Why?
Time Factors
10
2021
1220
0.590
Why?
Diet
4
2023
199
0.580
Why?
Genetic Predisposition to Disease
6
2022
311
0.540
Why?
Art
1
2016
1
0.540
Why?
Mental Status and Dementia Tests
3
2023
48
0.520
Why?
Music
1
2016
22
0.520
Why?
Diabetes Complications
1
2016
49
0.510
Why?
Life Style
5
2022
127
0.510
Why?
Models, Statistical
2
2021
110
0.510
Why?
Obesity
6
2014
263
0.490
Why?
Prevalence
3
2023
377
0.490
Why?
Mobility Limitation
2
2015
77
0.480
Why?
Cognitive Aging
4
2021
70
0.470
Why?
Depressive Disorder
1
2015
121
0.460
Why?
Body Mass Index
6
2018
400
0.460
Why?
Diabetes Mellitus, Type 2
1
2016
135
0.450
Why?
Gene-Environment Interaction
1
2014
16
0.440
Why?
Motor Activity
2
2015
239
0.440
Why?
Dopamine Agents
1
2014
7
0.440
Why?
Memantine
1
2014
6
0.440
Why?
Polymorphism, Single Nucleotide
5
2021
233
0.430
Why?
Genome-Wide Association Study
5
2022
233
0.430
Why?
Antioxidants
1
2014
56
0.420
Why?
Health Status Disparities
1
2013
69
0.390
Why?
Memory, Episodic
3
2018
98
0.390
Why?
Diagnosis
1
2011
18
0.380
Why?
Area Under Curve
1
2011
55
0.370
Why?
Medical Informatics
1
2011
7
0.370
Why?
Linear Models
3
2016
205
0.360
Why?
Predictive Value of Tests
3
2021
377
0.350
Why?
Refusal to Participate
1
2010
2
0.350
Why?
Disabled Persons
1
2012
100
0.350
Why?
Middle Aged
21
2019
7555
0.310
Why?
Age of Onset
3
2014
79
0.300
Why?
Genetic Loci
3
2018
44
0.300
Why?
Postmenopause
7
2006
47
0.270
Why?
Magnetic Resonance Imaging
2
2022
947
0.270
Why?
Hypertension
2
2024
156
0.250
Why?
Triglycerides
2
2025
54
0.250
Why?
Neuroticism
2
2023
31
0.240
Why?
Hypoglycemic Agents
2
2016
27
0.240
Why?
Vehicle Emissions
1
2024
5
0.230
Why?
Heterozygote
1
2025
71
0.230
Why?
Environmental Exposure
1
2024
14
0.230
Why?
Cholesterol
1
2025
59
0.230
Why?
Survivors
3
2022
49
0.230
Why?
Air Pollutants
1
2024
11
0.230
Why?
Air Pollution
1
2024
14
0.230
Why?
Particulate Matter
1
2024
18
0.230
Why?
Amyloid beta-Peptides
2
2024
269
0.230
Why?
Adult
11
2023
6584
0.220
Why?
Risk Assessment
2
2024
485
0.220
Why?
Sex Factors
2
2022
381
0.210
Why?
Florida
1
2023
15
0.210
Why?
Tocopherols
1
2023
7
0.200
Why?
alpha-Tocopherol
1
2023
11
0.200
Why?
Regression Analysis
4
2011
210
0.200
Why?
Diet, Vegetarian
1
2022
7
0.200
Why?
Flavonols
1
2022
11
0.200
Why?
Brain Infarction
1
2023
54
0.200
Why?
Vitamins
1
2022
18
0.200
Why?
Age Factors
2
2022
657
0.200
Why?
Dietary Supplements
1
2022
54
0.190
Why?
Life Expectancy
1
2022
26
0.190
Why?
Cognitive Reserve
1
2022
35
0.190
Why?
Brain
4
2024
1324
0.190
Why?
Stress, Psychological
2
2014
191
0.190
Why?
Renin-Angiotensin System
1
2021
3
0.180
Why?
Blood-Brain Barrier
1
2021
19
0.180
Why?
Cost of Illness
1
2021
43
0.180
Why?
Early Diagnosis
1
2020
43
0.170
Why?
Noise
1
2020
23
0.170
Why?
Parkinsonian Disorders
1
2022
149
0.170
Why?
Mental Status Schedule
2
2018
76
0.170
Why?
Neuroimaging
1
2020
108
0.160
Why?
Cerebral Cortex
1
2020
118
0.160
Why?
Residence Characteristics
1
2020
172
0.160
Why?
Confidence Intervals
2
2017
82
0.150
Why?
Phototherapy
1
2019
26
0.150
Why?
Hippocampus
1
2020
222
0.150
Why?
Metabolic Networks and Pathways
1
2018
11
0.150
Why?
Social Networking
1
2018
8
0.150
Why?
Healthy Aging
1
2018
13
0.150
Why?
Interviews as Topic
2
2016
109
0.150
Why?
Behavioral Symptoms
1
2018
8
0.150
Why?
Psychotropic Drugs
1
2018
18
0.150
Why?
Odds Ratio
2
2017
241
0.150
Why?
Surveys and Questionnaires
5
2016
977
0.150
Why?
Nursing Homes
1
2018
37
0.150
Why?
Parkinson Disease
2
2022
556
0.140
Why?
Socioeconomic Factors
3
2014
249
0.140
Why?
Social Environment
1
2018
55
0.140
Why?
Pain Management
1
2019
125
0.140
Why?
Defecation
1
2017
6
0.140
Why?
Starch
1
2017
11
0.140
Why?
Genetic Association Studies
1
2017
66
0.140
Why?
Low Back Pain
1
2019
121
0.140
Why?
Microspheres
1
2017
21
0.140
Why?
Dietary Fiber
1
2017
26
0.140
Why?
Prebiotics
1
2017
20
0.140
Why?
Invasive Fungal Infections
1
2017
5
0.130
Why?
Mucormycosis
1
2017
7
0.130
Why?
Frozen Sections
1
2017
13
0.130
Why?
Aspergillosis
1
2017
13
0.130
Why?
Inflammation
1
2018
226
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?
Iodide Peroxidase
1
2018
113
0.130
Why?
Quantitative Trait Loci
1
2016
32
0.130
Why?
Warfare
1
2016
8
0.130
Why?
Terrorism
1
2016
7
0.130
Why?
Interview, Psychological
2
2014
33
0.130
Why?
Reading
1
2016
35
0.130
Why?
Clinical Competence
2
2015
184
0.120
Why?
Anxiety Disorders
1
2016
49
0.120
Why?
Overweight
2
2014
58
0.120
Why?
Brief Psychiatric Rating Scale
1
2015
6
0.120
Why?
Self Report
1
2016
174
0.120
Why?
Health Status
2
2014
173
0.120
Why?
Insulin
2
2014
75
0.120
Why?
Adipose Tissue
3
2005
65
0.120
Why?
Carbohydrate Metabolism
1
2015
4
0.120
Why?
Carbohydrates
1
2015
5
0.120
Why?
Blood Glucose
2
2014
89
0.120
Why?
Chromatography, Gas
1
2015
9
0.120
Why?
Urinalysis
1
2015
7
0.120
Why?
Models, Genetic
1
2015
24
0.120
Why?
Rhinitis
1
2017
142
0.120
Why?
Educational Measurement
1
2015
49
0.120
Why?
Stress Disorders, Post-Traumatic
1
2016
126
0.110
Why?
Sinusitis
1
2017
159
0.110
Why?
Hospitalization
2
2014
272
0.110
Why?
Demography
1
2014
65
0.110
Why?
Intelligence Tests
1
2014
15
0.110
Why?
Cats
1
2014
26
0.110
Why?
Hypoglycemia
1
2014
12
0.110
Why?
Medicare
1
2014
108
0.110
Why?
Models, Psychological
1
2014
48
0.110
Why?
Proportional Hazards Models
1
2014
270
0.110
Why?
Colitis, Ulcerative
1
2014
53
0.110
Why?
Intestinal Mucosa
1
2015
144
0.110
Why?
Ultrasonography
1
2015
205
0.100
Why?
Mindfulness
1
2014
33
0.100
Why?
Psychiatric Status Rating Scales
1
2014
200
0.100
Why?
Databases, Factual
1
2014
300
0.100
Why?
Diabetes Mellitus
1
2014
101
0.100
Why?
Emergency Medicine
1
2015
93
0.100
Why?
Urban Population
1
2013
124
0.100
Why?
Social Support
1
2014
156
0.100
Why?
Colonoscopy
1
2013
68
0.100
Why?
Adenoma
1
2013
58
0.100
Why?
Multicenter Studies as Topic
1
2011
37
0.090
Why?
Vascular Diseases
1
2011
33
0.090
Why?
Gait
1
2015
363
0.090
Why?
Breast Neoplasms
3
2004
337
0.090
Why?
ROC Curve
1
2011
121
0.090
Why?
Colorectal Neoplasms
1
2013
106
0.090
Why?
Elder Abuse
1
2011
34
0.090
Why?
Prostatic Neoplasms
1
2011
95
0.090
Why?
Frail Elderly
1
2010
39
0.090
Why?
Self Care
1
2010
75
0.080
Why?
Testosterone
3
2004
20
0.080
Why?
Quality of Life
1
2014
504
0.080
Why?
Computer Simulation
1
2010
160
0.080
Why?
Sensitivity and Specificity
3
2017
401
0.070
Why?
Algorithms
1
2010
305
0.070
Why?
Femoracetabular Impingement
1
2015
357
0.070
Why?
Young Adult
3
2018
1721
0.070
Why?
Animals
1
2014
3025
0.070
Why?
Common Cold
1
2006
6
0.070
Why?
C-Reactive Protein
2
2018
91
0.060
Why?
Pilot Projects
2
2019
334
0.060
Why?
Phenotype
2
2016
254
0.060
Why?
Smoking Prevention
1
2005
17
0.060
Why?
Feces
2
2017
87
0.060
Why?
Parent-Child Relations
1
2005
28
0.060
Why?
Observer Variation
2
2015
83
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?
Smoking Cessation
1
2005
45
0.060
Why?
Double-Blind Method
2
2017
295
0.060
Why?
Copper
1
2024
18
0.060
Why?
Diet, Reducing
1
2004
12
0.060
Why?
Attitude to Health
1
2005
74
0.060
Why?
Zinc
1
2024
23
0.060
Why?
Sulfotransferases
1
2004
6
0.060
Why?
Androgens
1
2004
7
0.060
Why?
Glucuronosyltransferase
1
2004
4
0.060
Why?
Metabolic Syndrome
1
2005
45
0.060
Why?
Psychomotor Performance
2
2018
180
0.060
Why?
Parents
1
2005
86
0.060
Why?
Estrogens
1
2004
23
0.060
Why?
Gonadal Steroid Hormones
1
2003
10
0.050
Why?
Cross-Sectional Studies
2
2016
713
0.050
Why?
Quercetin
1
2022
11
0.050
Why?
Kaempferols
1
2022
12
0.050
Why?
Eating
1
2022
53
0.050
Why?
Memory, Short-Term
1
2022
74
0.050
Why?
Leisure Activities
1
2022
9
0.050
Why?
Logistic Models
2
2013
320
0.050
Why?
Tremor
1
2022
65
0.050
Why?
Diet Surveys
1
2021
24
0.050
Why?
Washington
3
2006
5
0.050
Why?
Atrophy
1
2021
74
0.040
Why?
Autopsy
1
2021
275
0.040
Why?
Child
2
2018
990
0.040
Why?
Memory
2
2011
241
0.040
Why?
Alcohol Drinking
1
2020
65
0.040
Why?
Smoking
2
2015
163
0.040
Why?
Pain Threshold
1
2019
23
0.040
Why?
Military Personnel
1
2019
24
0.040
Why?
Mendelian Randomization Analysis
1
2018
7
0.040
Why?
Schizophrenia
1
2018
40
0.040
Why?
Neurotic Disorders
1
2018
18
0.040
Why?
Threonine
1
2018
8
0.040
Why?
Amino Acid Substitution
1
2018
20
0.040
Why?
Alanine
1
2018
11
0.040
Why?
Adolescent
2
2018
1775
0.040
Why?
Gene Frequency
1
2018
54
0.040
Why?
Veterans
1
2019
48
0.040
Why?
Awareness
1
2018
37
0.040
Why?
Bipolar Disorder
1
2018
80
0.040
Why?
Community Health Planning
1
2018
19
0.040
Why?
Liver
1
2018
127
0.030
Why?
Constipation
1
2017
14
0.030
Why?
Fermentation
1
2017
13
0.030
Why?
Educational Status
1
2018
253
0.030
Why?
Fatty Acids, Volatile
1
2017
28
0.030
Why?
Chronic Pain
1
2019
128
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
39
0.030
Why?
Maternal Age
1
2016
12
0.030
Why?
Immunocompromised Host
1
2017
43
0.030
Why?
Fertility
1
2016
11
0.030
Why?
Oncogene Protein v-akt
1
2016
8
0.030
Why?
Russia
1
2016
2
0.030
Why?
Jews
1
2016
3
0.030
Why?
Emigration and Immigration
1
2016
8
0.030
Why?
Israel
1
2016
12
0.030
Why?
Arabs
1
2016
8
0.030
Why?
Nose
1
2017
36
0.030
Why?
Phosphatidylinositol 3-Kinases
1
2016
33
0.030
Why?
Acute Disease
1
2017
147
0.030
Why?
Case-Control Studies
1
2018
500
0.030
Why?
Circadian Rhythm
1
2019
220
0.030
Why?
Sleep
1
2019
290
0.030
Why?
Pregnancy
1
2016
303
0.030
Why?
Ankle
1
2015
20
0.030
Why?
Gallbladder
1
2015
3
0.030
Why?
Anatomic Landmarks
1
2015
5
0.030
Why?
Gastrointestinal Microbiome
1
2017
133
0.030
Why?
Endoscopy
1
2017
171
0.030
Why?
Knee
1
2015
42
0.030
Why?
Chromosomes, Human
1
2015
5
0.030
Why?
Retrospective Studies
2
2014
3062
0.030
Why?
Decision Making
1
2017
182
0.030
Why?
Kidney Function Tests
1
2015
12
0.030
Why?
Meta-Analysis as Topic
1
2015
35
0.030
Why?
Healthy Volunteers
1
2015
35
0.030
Why?
Intestinal Absorption
1
2015
30
0.030
Why?
Permeability
1
2015
87
0.030
Why?
Kinetics
1
2015
145
0.030
Why?
Hip
1
2015
64
0.030
Why?
China
1
2014
44
0.030
Why?
Body Weight
2
2004
116
0.030
Why?
Leukocyte L1 Antigen Complex
1
2014
5
0.030
Why?
Interleukins
1
2014
15
0.030
Why?
Point-of-Care Systems
1
2015
54
0.030
Why?
Estrone
2
2004
7
0.030
Why?
Sex Characteristics
1
2015
96
0.030
Why?
Hydrocortisone
1
2014
29
0.030
Why?
Sex Hormone-Binding Globulin
2
2004
13
0.030
Why?
Estradiol
2
2004
43
0.030
Why?
Disease-Free Survival
1
2014
138
0.030
Why?
Patient Compliance
2
2005
117
0.030
Why?
Acute Kidney Injury
1
2014
34
0.030
Why?
Radiography
1
2015
549
0.030
Why?
Attention
1
2014
96
0.030
Why?
Biomechanical Phenomena
1
2015
582
0.030
Why?
Chi-Square Distribution
1
2013
110
0.030
Why?
Critical Illness
1
2014
110
0.020
Why?
Range of Motion, Articular
1
2015
643
0.020
Why?
Early Detection of Cancer
1
2013
86
0.020
Why?
Medical Record Linkage
1
2011
1
0.020
Why?
Length of Stay
1
2014
279
0.020
Why?
Intensive Care Units
1
2014
254
0.020
Why?
Perception
1
2011
63
0.020
Why?
Risk
1
2011
178
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
12
0.020
Why?
Cross Infection
1
2014
299
0.020
Why?
Psychometrics
1
2010
172
0.020
Why?
Caregivers
1
2011
168
0.020
Why?
Severity of Illness Index
1
2010
685
0.020
Why?
Influenza Vaccines
1
2006
11
0.020
Why?
Respiratory Tract Infections
1
2006
20
0.020
Why?
Health Education
1
2005
41
0.010
Why?
Leptin
1
2005
19
0.010
Why?
Ghrelin
1
2004
2
0.010
Why?
Body Size
1
2004
11
0.010
Why?
Insulin Resistance
1
2005
40
0.010
Why?
Homeostasis
1
2005
65
0.010
Why?
Body Composition
1
2005
52
0.010
Why?
Arylsulfotransferase
1
2004
1
0.010
Why?
Radioimmunoassay
1
2004
18
0.010
Why?
Receptors, Progesterone
1
2004
22
0.010
Why?
Energy Intake
1
2004
78
0.010
Why?
Polymorphism, Genetic
1
2004
47
0.010
Why?
Receptors, Estrogen
1
2004
50
0.010
Why?
New Mexico
1
2003
2
0.010
Why?
Dehydroepiandrosterone Sulfate
1
2003
3
0.010
Why?
Anthropometry
1
2003
28
0.010
Why?
Absorptiometry, Photon
1
2003
70
0.010
Why?
Neoplasm Staging
1
2003
307
0.010
Why?
Tomography, X-Ray Computed
1
2004
588
0.010
Why?
Rajan's Networks
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