Research Article

[Retracted] An Exploration: Alzheimer’s Disease Classification Based on Convolutional Neural Network

Table 3

Research questions covered by the studies included this systematic study.

StudyReference (year)Research questions answered
RQ1RQ2RQ3RQ4RQ5RQ6

1[2] (2017)YesYesYesYesNoYes
2[26] (2017)YesYesYesYesYesYes
3[27] (2017)YesYesYesYesYesYes
4[28] (2017)YesYesYesYesYesYes
5[29] (2018)YesYesYesYesYesYes
6[11] (2018)YesYesYesYesYesNo
7[30] (2018)YesYesYesYesNoNo
8[31] 2013YesYesYesYesNoNo
9[32] (2015)YesYesYesYesYesYes
10[33] (2016)YesYesYesYesNoYes
11[34] (2016)YesYesYesYesNoYes
12[3] (2017)YesYesYesYesYesYes
13[35] (2017)YesYesYesYesNoYes
14[36] (2016)YesYesYesYesNoYes
15[37] (2016)YesYesNoYesNoYes
16[38] (2017)YesYesYesYesNoYes
17[39] (2017)YesYesYesYesNoYes
18[40] (2017)YesYesYesYesNoYes
19[41] (2018)YesYesYesYesNoYes
20[42] (2017)YesYesYesYesNoYes
21[43] (2019)YesYesYesYesNoNo
22[44] (2019)YesYesYesYesNoYes
23[45] (2019)YesYesYesYesNoYes
24[46] (2017)YesYesYesYesNoYes
25[47] (2018)YesYesYesYesYesNo
26[48] (2018)YesYesYesYesYesYes
27[10] (2018)YesYesYesYesYesYes
28[49] (2014)YesYesYesYesNoYes
29[50] (2017)YesYesYesYesNoYes
30[51] (2017)YesYesYesYesNoYes
31[52] (2018)YesYesYesYesYesYes
32[53] (2018)YesYesYesYesNoYes
33[54] (2018)YesYesYesYesNoYes
34[55] (2018)YesYesYesYesYesYes
35[56] (2018)YesYesYesYesYesYes
36[57] (2018)YesYesYesYesNoNo
37[15] (2019)YesYesYesYesYesYes
38[58] (2017)YesYesYesYesYesYes
39[12] (2017)YesYesYesYesYesYes
40[59] (2017)YesYesYesYesYesYes
41[60] (2019)YesYesYesYesNoYes
42[61] (2020)YesYesYesYesNoYes
43[62] (2021)YesYesYesYesYesYes
44[63] (2021)YesYesYesYesYesYes
45[64] (2021)YesYesYesYesYesYes
46[65] (2021)YesYesYesYesYesYes
47[66] (2021)YesYesYesYesYesYes
48[67] (2021)YesYesYesYesYesYes