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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
1043
12.480
Why?
Apolipoprotein E4
17
2025
260
6.580
Why?
Alzheimer Disease
23
2025
2073
4.940
Why?
Aged
82
2025
8658
3.600
Why?
Cognition
30
2024
1307
3.330
Why?
tau Proteins
6
2025
232
2.870
Why?
Chicago
29
2025
906
2.820
Why?
Female
88
2025
14543
2.800
Why?
Neurofilament Proteins
4
2025
17
2.740
Why?
Male
78
2025
14176
2.670
Why?
Cognition Disorders
14
2018
961
2.590
Why?
Humans
105
2025
25900
2.490
Why?
Stroke
6
2023
262
2.460
Why?
Aged, 80 and over
41
2025
4633
2.400
Why?
Neurodegenerative Diseases
3
2025
124
2.340
Why?
Longitudinal Studies
28
2025
1324
2.320
Why?
Aging
14
2025
1503
2.160
Why?
Cohort Studies
25
2025
1815
2.070
Why?
Biomarkers
11
2025
536
2.030
Why?
Risk Factors
25
2025
2173
1.940
Why?
Glial Fibrillary Acidic Protein
3
2025
43
1.810
Why?
Apolipoproteins E
8
2023
248
1.790
Why?
Alleles
9
2024
200
1.770
Why?
Exercise
9
2023
415
1.550
Why?
Blood Pressure
3
2024
179
1.550
Why?
Activities of Daily Living
9
2018
584
1.490
Why?
White Matter
3
2022
137
1.480
Why?
Prospective Studies
15
2025
1686
1.390
Why?
Population Surveillance
3
2021
108
1.370
Why?
Dementia
9
2024
537
1.280
Why?
Vitamin E
2
2023
45
1.220
Why?
Intermediate Filaments
4
2023
20
1.200
Why?
Cardiovascular Diseases
2
2025
277
1.190
Why?
Genotype
7
2024
335
1.160
Why?
Incidence
12
2025
720
1.150
Why?
Disease Progression
11
2019
646
1.090
Why?
Memory Disorders
3
2024
156
1.090
Why?
Dietary Approaches To Stop Hypertension
2
2024
37
1.060
Why?
Loneliness
2
2025
59
1.060
Why?
Diet, Mediterranean
3
2024
101
1.020
Why?
Mortality
4
2021
85
1.010
Why?
Lipids
1
2025
48
0.910
Why?
Social Isolation
1
2025
29
0.900
Why?
United States
12
2024
1935
0.900
Why?
Disability Evaluation
4
2014
257
0.880
Why?
Dietary Fats
1
2024
39
0.860
Why?
Whole Grains
1
2023
7
0.850
Why?
Neuropathology
3
2021
81
0.800
Why?
Depression
4
2014
410
0.800
Why?
Vitamin D
1
2022
35
0.760
Why?
Healthy Lifestyle
5
2024
43
0.750
Why?
Antihypertensive Agents
2
2021
43
0.740
Why?
Independent Living
5
2025
300
0.720
Why?
Membrane Proteins
1
2021
161
0.670
Why?
Geriatric Assessment
5
2021
203
0.640
Why?
Follow-Up Studies
11
2024
1708
0.610
Why?
Neuropsychological Tests
11
2018
1164
0.590
Why?
Time Factors
10
2021
1376
0.580
Why?
Diet
4
2023
214
0.570
Why?
Art
1
2016
1
0.530
Why?
Genetic Predisposition to Disease
6
2022
359
0.520
Why?
Mental Status and Dementia Tests
3
2023
53
0.520
Why?
Music
1
2016
22
0.520
Why?
Diabetes Complications
1
2016
56
0.510
Why?
Models, Statistical
2
2021
124
0.500
Why?
Life Style
5
2022
180
0.490
Why?
Prevalence
3
2023
431
0.480
Why?
Obesity
6
2014
292
0.480
Why?
Mobility Limitation
2
2015
91
0.460
Why?
Cognitive Aging
4
2021
77
0.460
Why?
Body Mass Index
6
2018
431
0.450
Why?
Depressive Disorder
1
2015
168
0.450
Why?
Diabetes Mellitus, Type 2
1
2016
155
0.440
Why?
Gene-Environment Interaction
1
2014
18
0.440
Why?
Dopamine Agents
1
2014
11
0.430
Why?
Memantine
1
2014
9
0.430
Why?
Polymorphism, Single Nucleotide
5
2021
258
0.430
Why?
Genome-Wide Association Study
5
2022
268
0.430
Why?
Motor Activity
2
2015
309
0.420
Why?
Antioxidants
1
2014
66
0.420
Why?
Health Status Disparities
1
2013
73
0.390
Why?
Memory, Episodic
3
2018
116
0.390
Why?
Diagnosis
1
2011
23
0.370
Why?
Area Under Curve
1
2011
61
0.370
Why?
Medical Informatics
1
2011
8
0.370
Why?
Linear Models
3
2016
241
0.350
Why?
Refusal to Participate
1
2010
2
0.350
Why?
Predictive Value of Tests
3
2021
421
0.340
Why?
Disabled Persons
1
2012
110
0.340
Why?
Age of Onset
3
2014
95
0.300
Why?
Middle Aged
21
2019
8556
0.300
Why?
Genetic Loci
3
2018
51
0.290
Why?
Postmenopause
7
2006
51
0.270
Why?
Magnetic Resonance Imaging
2
2022
1071
0.260
Why?
Hypertension
2
2024
176
0.250
Why?
Triglycerides
2
2025
56
0.250
Why?
Neuroticism
2
2023
32
0.240
Why?
Hypoglycemic Agents
2
2016
35
0.230
Why?
Vehicle Emissions
1
2024
5
0.230
Why?
Environmental Exposure
1
2024
16
0.230
Why?
Cholesterol
1
2025
62
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?
Survivors
3
2022
69
0.230
Why?
Heterozygote
1
2025
98
0.220
Why?
Amyloid beta-Peptides
2
2024
318
0.220
Why?
Adult
11
2023
7517
0.210
Why?
Risk Assessment
2
2024
553
0.210
Why?
Florida
1
2023
17
0.210
Why?
Sex Factors
2
2022
453
0.210
Why?
Tocopherols
1
2023
8
0.200
Why?
alpha-Tocopherol
1
2023
12
0.200
Why?
Diet, Vegetarian
1
2022
8
0.200
Why?
Regression Analysis
4
2011
246
0.200
Why?
Flavonols
1
2022
11
0.200
Why?
Vitamins
1
2022
19
0.200
Why?
Brain Infarction
1
2023
75
0.190
Why?
Age Factors
2
2022
738
0.190
Why?
Dietary Supplements
1
2022
61
0.190
Why?
Life Expectancy
1
2022
27
0.190
Why?
Cognitive Reserve
1
2022
39
0.190
Why?
Stress, Psychological
2
2014
224
0.180
Why?
Renin-Angiotensin System
1
2021
3
0.180
Why?
Blood-Brain Barrier
1
2021
24
0.180
Why?
Cost of Illness
1
2021
47
0.180
Why?
Brain
4
2024
1604
0.170
Why?
Noise
1
2020
24
0.170
Why?
Early Diagnosis
1
2020
55
0.170
Why?
Mental Status Schedule
2
2018
88
0.160
Why?
Neuroimaging
1
2020
125
0.160
Why?
Cerebral Cortex
1
2020
148
0.160
Why?
Residence Characteristics
1
2020
206
0.150
Why?
Confidence Intervals
2
2017
88
0.150
Why?
Parkinsonian Disorders
1
2022
215
0.150
Why?
Phototherapy
1
2019
29
0.150
Why?
Metabolic Networks and Pathways
1
2018
12
0.150
Why?
Social Networking
1
2018
10
0.150
Why?
Hippocampus
1
2020
267
0.150
Why?
Healthy Aging
1
2018
12
0.150
Why?
Interviews as Topic
2
2016
129
0.150
Why?
Odds Ratio
2
2017
254
0.140
Why?
Behavioral Symptoms
1
2018
12
0.140
Why?
Psychotropic Drugs
1
2018
26
0.140
Why?
Nursing Homes
1
2018
42
0.140
Why?
Socioeconomic Factors
3
2014
284
0.140
Why?
Surveys and Questionnaires
5
2016
1083
0.140
Why?
Social Environment
1
2018
76
0.140
Why?
Defecation
1
2017
6
0.140
Why?
Pain Management
1
2019
142
0.140
Why?
Starch
1
2017
11
0.140
Why?
Parkinson Disease
2
2022
664
0.140
Why?
Microspheres
1
2017
25
0.140
Why?
Low Back Pain
1
2019
129
0.140
Why?
Genetic Association Studies
1
2017
82
0.140
Why?
Dietary Fiber
1
2017
27
0.130
Why?
Prebiotics
1
2017
24
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?
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?
Inflammation
1
2018
277
0.130
Why?
Interview, Psychological
2
2014
41
0.130
Why?
Reading
1
2016
37
0.130
Why?
Clinical Competence
2
2015
201
0.120
Why?
Brief Psychiatric Rating Scale
1
2015
6
0.120
Why?
Overweight
2
2014
71
0.120
Why?
Self Report
1
2016
207
0.120
Why?
Health Status
2
2014
198
0.120
Why?
Insulin
2
2014
89
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?
Blood Glucose
2
2014
99
0.120
Why?
Models, Genetic
1
2015
31
0.120
Why?
Anxiety Disorders
1
2016
168
0.110
Why?
Rhinitis
1
2017
143
0.110
Why?
Educational Measurement
1
2015
54
0.110
Why?
Sinusitis
1
2017
162
0.110
Why?
Demography
1
2014
70
0.110
Why?
Hospitalization
2
2014
295
0.110
Why?
Intelligence Tests
1
2014
16
0.110
Why?
Cats
1
2014
29
0.110
Why?
Hypoglycemia
1
2014
13
0.110
Why?
Medicare
1
2014
116
0.110
Why?
Models, Psychological
1
2014
66
0.110
Why?
Colitis, Ulcerative
1
2014
53
0.110
Why?
Proportional Hazards Models
1
2014
313
0.100
Why?
Ultrasonography
1
2015
221
0.100
Why?
Mindfulness
1
2014
43
0.100
Why?
Stress Disorders, Post-Traumatic
1
2016
222
0.100
Why?
Intestinal Mucosa
1
2015
171
0.100
Why?
Psychiatric Status Rating Scales
1
2014
291
0.100
Why?
Databases, Factual
1
2014
328
0.100
Why?
Emergency Medicine
1
2015
97
0.100
Why?
Urban Population
1
2013
146
0.100
Why?
Diabetes Mellitus
1
2014
120
0.100
Why?
Colonoscopy
1
2013
73
0.100
Why?
Social Support
1
2014
187
0.100
Why?
Adenoma
1
2013
60
0.100
Why?
Multicenter Studies as Topic
1
2011
41
0.090
Why?
Vascular Diseases
1
2011
41
0.090
Why?
ROC Curve
1
2011
131
0.090
Why?
Colorectal Neoplasms
1
2013
111
0.090
Why?
Breast Neoplasms
3
2004
381
0.090
Why?
Gait
1
2015
409
0.090
Why?
Elder Abuse
1
2011
35
0.090
Why?
Prostatic Neoplasms
1
2011
102
0.080
Why?
Frail Elderly
1
2010
46
0.080
Why?
Testosterone
3
2004
23
0.080
Why?
Self Care
1
2010
83
0.080
Why?
Quality of Life
1
2014
563
0.080
Why?
Computer Simulation
1
2010
176
0.080
Why?
Sensitivity and Specificity
3
2017
450
0.070
Why?
Femoracetabular Impingement
1
2015
375
0.070
Why?
Algorithms
1
2010
337
0.070
Why?
Common Cold
1
2006
6
0.070
Why?
Young Adult
3
2018
1929
0.060
Why?
Animals
1
2014
3504
0.060
Why?
C-Reactive Protein
2
2018
95
0.060
Why?
Pilot Projects
2
2019
394
0.060
Why?
Smoking Prevention
1
2005
17
0.060
Why?
Phenotype
2
2016
301
0.060
Why?
Feces
2
2017
100
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
18
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
370
0.060
Why?
Attitude to Health
1
2005
98
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
51
0.060
Why?
Estrogens
1
2004
25
0.050
Why?
Psychomotor Performance
2
2018
198
0.050
Why?
Parents
1
2005
108
0.050
Why?
Gonadal Steroid Hormones
1
2003
10
0.050
Why?
Quercetin
1
2022
11
0.050
Why?
Kaempferols
1
2022
12
0.050
Why?
Cross-Sectional Studies
2
2016
847
0.050
Why?
Eating
1
2022
57
0.050
Why?
Memory, Short-Term
1
2022
91
0.050
Why?
Leisure Activities
1
2022
15
0.050
Why?
Logistic Models
2
2013
368
0.050
Why?
Diet Surveys
1
2021
27
0.050
Why?
Washington
3
2006
5
0.040
Why?
Atrophy
1
2021
82
0.040
Why?
Tremor
1
2022
103
0.040
Why?
Autopsy
1
2021
334
0.040
Why?
Alcohol Drinking
1
2020
75
0.040
Why?
Smoking
2
2015
173
0.040
Why?
Child
2
2018
1180
0.040
Why?
Memory
2
2011
286
0.040
Why?
Pain Threshold
1
2019
25
0.040
Why?
Mendelian Randomization Analysis
1
2018
8
0.040
Why?
Military Personnel
1
2019
38
0.040
Why?
Schizophrenia
1
2018
51
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
19
0.040
Why?
Bipolar Disorder
1
2018
107
0.040
Why?
Adolescent
2
2018
2070
0.040
Why?
Veterans
1
2019
83
0.030
Why?
Liver
1
2018
150
0.030
Why?
Fermentation
1
2017
13
0.030
Why?
Constipation
1
2017
17
0.030
Why?
Educational Status
1
2018
283
0.030
Why?
Fatty Acids, Volatile
1
2017
32
0.030
Why?
Chronic Pain
1
2019
132
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
43
0.030
Why?
Maternal Age
1
2016
13
0.030
Why?
Immunocompromised Host
1
2017
42
0.030
Why?
Fertility
1
2016
13
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?
Emigration and Immigration
1
2016
13
0.030
Why?
Israel
1
2016
15
0.030
Why?
Arabs
1
2016
9
0.030
Why?
Nose
1
2017
38
0.030
Why?
Acute Disease
1
2017
165
0.030
Why?
Phosphatidylinositol 3-Kinases
1
2016
44
0.030
Why?
Case-Control Studies
1
2018
567
0.030
Why?
Circadian Rhythm
1
2019
235
0.030
Why?
Sleep
1
2019
323
0.030
Why?
Pregnancy
1
2016
327
0.030
Why?
Ankle
1
2015
23
0.030
Why?
Gallbladder
1
2015
3
0.030
Why?
Anatomic Landmarks
1
2015
5
0.030
Why?
Endoscopy
1
2017
176
0.030
Why?
Chromosomes, Human
1
2015
6
0.030
Why?
Knee
1
2015
45
0.030
Why?
Kidney Function Tests
1
2015
14
0.030
Why?
Gastrointestinal Microbiome
1
2017
160
0.030
Why?
Meta-Analysis as Topic
1
2015
40
0.030
Why?
Healthy Volunteers
1
2015
40
0.030
Why?
Decision Making
1
2017
214
0.030
Why?
Intestinal Absorption
1
2015
30
0.030
Why?
Retrospective Studies
2
2014
3342
0.030
Why?
Permeability
1
2015
89
0.030
Why?
Kinetics
1
2015
151
0.030
Why?
Hip
1
2015
67
0.030
Why?
China
1
2014
47
0.030
Why?
Leukocyte L1 Antigen Complex
1
2014
5
0.030
Why?
Body Weight
2
2004
130
0.030
Why?
Interleukins
1
2014
23
0.030
Why?
Estrone
2
2004
7
0.030
Why?
Point-of-Care Systems
1
2015
61
0.030
Why?
Hydrocortisone
1
2014
35
0.030
Why?
Sex Hormone-Binding Globulin
2
2004
13
0.030
Why?
Sex Characteristics
1
2015
115
0.030
Why?
Estradiol
2
2004
46
0.030
Why?
Disease-Free Survival
1
2014
149
0.030
Why?
Acute Kidney Injury
1
2014
37
0.030
Why?
Patient Compliance
2
2005
145
0.030
Why?
Radiography
1
2015
611
0.030
Why?
Attention
1
2014
113
0.030
Why?
Chi-Square Distribution
1
2013
127
0.030
Why?
Biomechanical Phenomena
1
2015
639
0.030
Why?
Critical Illness
1
2014
113
0.020
Why?
Early Detection of Cancer
1
2013
102
0.020
Why?
Medical Record Linkage
1
2011
1
0.020
Why?
Range of Motion, Articular
1
2015
719
0.020
Why?
Length of Stay
1
2014
307
0.020
Why?
Intensive Care Units
1
2014
261
0.020
Why?
Perception
1
2011
74
0.020
Why?
Risk
1
2011
202
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
303
0.020
Why?
Psychometrics
1
2010
203
0.020
Why?
Caregivers
1
2011
188
0.020
Why?
Severity of Illness Index
1
2010
830
0.020
Why?
Influenza Vaccines
1
2006
12
0.020
Why?
Respiratory Tract Infections
1
2006
25
0.020
Why?
Health Education
1
2005
45
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?
Insulin Resistance
1
2005
45
0.010
Why?
Homeostasis
1
2005
69
0.010
Why?
Body Composition
1
2005
63
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
80
0.010
Why?
Receptors, Estrogen
1
2004
52
0.010
Why?
Polymorphism, Genetic
1
2004
53
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
79
0.010
Why?
Neoplasm Staging
1
2003
339
0.010
Why?
Tomography, X-Ray Computed
1
2004
631
0.010
Why?
Rajan's Networks
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