diff --git a/rust-code-analysis-web/src/web/server.rs b/rust-code-analysis-web/src/web/server.rs
index 8ab5a1fe7..dc5a3184d 100644
--- a/rust-code-analysis-web/src/web/server.rs
+++ b/rust-code-analysis-web/src/web/server.rs
@@ -632,7 +632,7 @@ mod tests {
                        "start_line": 1,
                        "end_line": 4,
                        "metrics": {"cyclomatic": {"sum": 2.0, "average": 1.0, "min":1.0, "max":1.0},
-                                   "cognitive": {"sum": 0.0, "average": 0.0},
+                                   "cognitive": {"sum": 0.0, "average": 0.0, "min":0.0, "max":0.0},
                                    "nargs": {"total_functions": 0.0, "average_functions": 0.0, "total_closures": 0.0, "average_closures": 0.0, "total": 0.0, "average": 0.0},
                                    "nexits": {"sum": 0.0, "average": 0.0,"min":0.0,"max":0.0},
                                    "halstead": {"bugs": 0.000_942_552_557_372_941_4,
@@ -659,7 +659,7 @@ mod tests {
                                    "start_line": 3,
                                    "end_line": 4,
                                    "metrics": {"cyclomatic": {"sum": 1.0, "average": 1.0, "min":1.0, "max":1.0},
-                                               "cognitive": {"sum": 0.0, "average": 0.0},
+                                               "cognitive": {"sum": 0.0, "average": 0.0 , "min":0.0, "max":0.0},
                                                "nargs": {"total_functions": 0.0, "average_functions": 0.0, "total_closures": 0.0, "average_closures": 0.0, "total": 0.0, "average": 0.0},
                                                "nexits": {"sum": 0.0, "average": 0.0,"min":0.0,"max":0.0},
                                                "halstead": {"bugs": 0.000_942_552_557_372_941_4,
@@ -712,7 +712,7 @@ mod tests {
                        "start_line": 1,
                        "end_line": 2,
                        "metrics": {"cyclomatic": {"sum": 2.0, "average": 1.0, "min":1.0, "max":1.0},
-                                   "cognitive": {"sum": 0.0, "average": 0.0},
+                                   "cognitive": {"sum": 0.0, "average": 0.0 , "min":0.0, "max":0.0},
                                    "nargs": {"total_functions": 0.0, "average_functions": 0.0, "total_closures": 0.0, "average_closures": 0.0, "total": 0.0, "average": 0.0},
                                    "nexits": {"sum": 0.0, "average": 0.0,"min":0.0,"max":0.0},
                                    "halstead": {"bugs": 0.000_942_552_557_372_941_4,
@@ -761,7 +761,7 @@ mod tests {
                        "start_line": 1,
                        "end_line": 2,
                        "metrics": {"cyclomatic": {"sum": 2.0, "average": 1.0, "min": 1.0,"max": 1.0},
-                                   "cognitive": {"sum": 0.0, "average": 0.0},
+                                   "cognitive": {"sum": 0.0, "average": 0.0 , "min":0.0, "max":0.0},
                                    "nargs": {"total_functions": 0.0, "average_functions": 0.0, "total_closures": 0.0, "average_closures": 0.0, "total": 0.0, "average": 0.0},
                                    "nexits": {"sum": 0.0, "average": 0.0,"min":0.0,"max":0.0},
                                    "halstead": {"bugs": 0.000_942_552_557_372_941_4,
@@ -788,7 +788,7 @@ mod tests {
                                    "start_line": 1,
                                    "end_line": 2,
                                    "metrics": {"cyclomatic": {"sum": 1.0, "average": 1.0, "min": 1.0,"max": 1.0},
-                                               "cognitive": {"sum": 0.0, "average": 0.0},
+                                               "cognitive": {"sum": 0.0, "average": 0.0 , "min":0.0, "max":0.0},
                                                "nargs": {"total_functions": 0.0, "average_functions": 0.0, "total_closures": 0.0, "average_closures": 0.0, "total": 0.0, "average": 0.0},
                                                "nexits": {"sum": 0.0, "average": 0.0,"min":0.0,"max":0.0},
                                                "halstead": {"bugs": 0.000_942_552_557_372_941_4,
diff --git a/src/metrics/cognitive.rs b/src/metrics/cognitive.rs
index 0e7a20f34..0c80b46d0 100644
--- a/src/metrics/cognitive.rs
+++ b/src/metrics/cognitive.rs
@@ -18,6 +18,9 @@ use crate::*;
 #[derive(Debug, Clone)]
 pub struct Stats {
     structural: usize,
+    structural_sum: usize,
+    structural_min: usize,
+    structural_max: usize,
     nesting: usize,
     total_space_functions: usize,
     boolean_seq: BoolSequence,
@@ -27,6 +30,9 @@ impl Default for Stats {
     fn default() -> Self {
         Self {
             structural: 0,
+            structural_sum: 0,
+            structural_min: usize::MAX,
+            structural_max: 0,
             nesting: 0,
             total_space_functions: 1,
             boolean_seq: BoolSequence::default(),
@@ -39,9 +45,11 @@ impl Serialize for Stats {
     where
         S: Serializer,
     {
-        let mut st = serializer.serialize_struct("cognitive", 2)?;
-        st.serialize_field("sum", &self.cognitive())?;
+        let mut st = serializer.serialize_struct("cognitive", 4)?;
+        st.serialize_field("sum", &self.cognitive_sum())?;
         st.serialize_field("average", &self.cognitive_average())?;
+        st.serialize_field("min", &self.cognitive_min())?;
+        st.serialize_field("max", &self.cognitive_max())?;
         st.end()
     }
 }
@@ -50,9 +58,11 @@ impl fmt::Display for Stats {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         write!(
             f,
-            "sum: {}, average: {}",
+            "sum: {}, average: {}, min:{}, max: {}",
             self.cognitive(),
-            self.cognitive_average()
+            self.cognitive_average(),
+            self.cognitive_min(),
+            self.cognitive_max()
         )
     }
 }
@@ -60,13 +70,28 @@ impl fmt::Display for Stats {
 impl Stats {
     /// Merges a second `Cognitive Complexity` metric into the first one
     pub fn merge(&mut self, other: &Stats) {
-        self.structural += other.structural;
+        self.structural_min = self.structural_min.min(other.structural_min);
+        self.structural_max = self.structural_max.max(other.structural_max);
+        self.structural_sum += other.structural_sum;
     }
 
     /// Returns the `Cognitive Complexity` metric value
     pub fn cognitive(&self) -> f64 {
         self.structural as f64
     }
+    /// Returns the `Cognitive Complexity` sum metric value
+    pub fn cognitive_sum(&self) -> f64 {
+        self.structural_sum as f64
+    }
+
+    /// Returns the `Cognitive Complexity` minimum metric value
+    pub fn cognitive_min(&self) -> f64 {
+        self.structural_min as f64
+    }
+    /// Returns the `Cognitive Complexity` maximum metric value
+    pub fn cognitive_max(&self) -> f64 {
+        self.structural_max as f64
+    }
 
     /// Returns the `Cognitive Complexity` metric average value
     ///
@@ -75,7 +100,12 @@ impl Stats {
     ///
     /// If there are no functions in a code, its value is `NAN`.
     pub fn cognitive_average(&self) -> f64 {
-        self.cognitive() / self.total_space_functions as f64
+        self.cognitive_sum() / self.total_space_functions as f64
+    }
+    pub fn compute_minmax(&mut self) {
+        self.structural_min = self.structural_min.min(self.structural);
+        self.structural_max = self.structural_max.max(self.structural);
+        self.structural_sum += self.structural;
     }
 
     pub(crate) fn finalize(&mut self, total_space_functions: usize) {
@@ -427,7 +457,11 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 0, usize)],
+            [
+                (cognitive_sum, 0, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 0, usize)
+            ],
             [(cognitive_average, f64::NAN)]
         );
     }
@@ -439,7 +473,11 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 0, usize)],
+            [
+                (cognitive_sum, 0, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 0, usize)
+            ],
             [(cognitive_average, f64::NAN)]
         );
     }
@@ -451,7 +489,11 @@ mod tests {
             "foo.c",
             CppParser,
             cognitive,
-            [(cognitive, 0, usize)],
+            [
+                (cognitive_sum, 0, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 0, usize)
+            ],
             [(cognitive_average, f64::NAN)]
         );
     }
@@ -463,7 +505,11 @@ mod tests {
             "foo.js",
             MozjsParser,
             cognitive,
-            [(cognitive, 0, usize)],
+            [
+                (cognitive_sum, 0, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 0, usize)
+            ],
             [(cognitive_average, f64::NAN)]
         );
     }
@@ -479,7 +525,11 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 4, usize)],
+            [
+                (cognitive_sum, 4, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 4, usize)
+            ],
             [(cognitive_average, 4.0)]
         );
     }
@@ -494,7 +544,11 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 1, usize)],
+            [
+                (cognitive_sum, 1, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 1, usize)
+            ],
             [(cognitive_average, 1.0)]
         );
     }
@@ -509,7 +563,11 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 2, usize)],
+            [
+                (cognitive_sum, 2, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 2, usize)
+            ],
             [(cognitive_average, 2.0)]
         );
     }
@@ -527,7 +585,11 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 4, usize)],
+            [
+                (cognitive_sum, 4, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 4, usize)
+            ],
             [(cognitive_average, 4.0)]
         );
     }
@@ -547,7 +609,11 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 6, usize)],
+            [
+                (cognitive_sum, 6, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 6, usize)
+            ],
             [(cognitive_average, 6.0)]
         );
     }
@@ -566,7 +632,11 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 4, usize)],
+            [
+                (cognitive_sum, 4, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 4, usize)
+            ],
             [(cognitive_average, 4.0)]
         );
     }
@@ -585,7 +655,11 @@ mod tests {
             "foo.c",
             CppParser,
             cognitive,
-            [(cognitive, 4, usize)],
+            [
+                (cognitive_sum, 4, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 4, usize)
+            ],
             [(cognitive_average, 4.0)]
         );
     }
@@ -604,7 +678,11 @@ mod tests {
             "foo.js",
             MozjsParser,
             cognitive,
-            [(cognitive, 4, usize)],
+            [
+                (cognitive_sum, 4, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 4, usize)
+            ],
             [(cognitive_average, 4.0)]
         );
     }
@@ -618,7 +696,11 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 2, usize)],
+            [
+                (cognitive_sum, 2, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 2, usize)
+            ],
             [(cognitive_average, 2.0)]
         );
     }
@@ -634,7 +716,11 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 2, usize)],
+            [
+                (cognitive_sum, 2, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 2, usize)
+            ],
             [(cognitive_average, 2.0)]
         );
 
@@ -647,7 +733,11 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 2, usize)],
+            [
+                (cognitive_sum, 2, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 2, usize)
+            ],
             [(cognitive_average, 2.0)]
         );
     }
@@ -663,7 +753,11 @@ mod tests {
             "foo.c",
             CppParser,
             cognitive,
-            [(cognitive, 2, usize)],
+            [
+                (cognitive_sum, 2, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 2, usize)
+            ],
             [(cognitive_average, 2.0)]
         );
 
@@ -676,7 +770,11 @@ mod tests {
             "foo.c",
             CppParser,
             cognitive,
-            [(cognitive, 2, usize)],
+            [
+                (cognitive_sum, 2, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 2, usize)
+            ],
             [(cognitive_average, 2.0)]
         );
     }
@@ -692,7 +790,11 @@ mod tests {
             "foo.js",
             MozjsParser,
             cognitive,
-            [(cognitive, 2, usize)],
+            [
+                (cognitive_sum, 2, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 2, usize)
+            ],
             [(cognitive_average, 2.0)]
         );
 
@@ -705,7 +807,11 @@ mod tests {
             "foo.js",
             MozjsParser,
             cognitive,
-            [(cognitive, 2, usize)],
+            [
+                (cognitive_sum, 2, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 2, usize)
+            ],
             [(cognitive_average, 2.0)]
         );
     }
@@ -721,7 +827,11 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 2, usize)],
+            [
+                (cognitive_sum, 2, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 2, usize)
+            ],
             [(cognitive_average, 2.0)]
         );
 
@@ -734,7 +844,11 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 3, usize)],
+            [
+                (cognitive_sum, 3, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 3, usize)
+            ],
             [(cognitive_average, 3.0)]
         );
 
@@ -747,7 +861,11 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 4, usize)],
+            [
+                (cognitive_sum, 4, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 4, usize)
+            ],
             [(cognitive_average, 4.0)]
         );
     }
@@ -763,7 +881,11 @@ mod tests {
             "foo.c",
             CppParser,
             cognitive,
-            [(cognitive, 3, usize)],
+            [
+                (cognitive_sum, 3, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 3, usize)
+            ],
             [(cognitive_average, 3.0)]
         );
 
@@ -776,7 +898,11 @@ mod tests {
             "foo.c",
             CppParser,
             cognitive,
-            [(cognitive, 4, usize)],
+            [
+                (cognitive_sum, 4, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 4, usize)
+            ],
             [(cognitive_average, 4.0)]
         );
     }
@@ -792,7 +918,11 @@ mod tests {
             "foo.js",
             MozjsParser,
             cognitive,
-            [(cognitive, 3, usize)],
+            [
+                (cognitive_sum, 3, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 3, usize)
+            ],
             [(cognitive_average, 3.0)]
         );
 
@@ -805,7 +935,11 @@ mod tests {
             "foo.js",
             MozjsParser,
             cognitive,
-            [(cognitive, 4, usize)],
+            [
+                (cognitive_sum, 4, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 4, usize)
+            ],
             [(cognitive_average, 4.0)]
         );
     }
@@ -819,7 +953,11 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 3, usize)],
+            [
+                (cognitive_sum, 3, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 3, usize)
+            ],
             [(cognitive_average, 3.0)]
         );
     }
@@ -835,7 +973,11 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 3, usize)],
+            [
+                (cognitive_sum, 3, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 3, usize)
+            ],
             [(cognitive_average, 3.0)]
         );
     }
@@ -851,7 +993,11 @@ mod tests {
             "foo.c",
             CppParser,
             cognitive,
-            [(cognitive, 3, usize)],
+            [
+                (cognitive_sum, 3, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 3, usize)
+            ],
             [(cognitive_average, 3.0)]
         );
     }
@@ -867,7 +1013,11 @@ mod tests {
             "foo.js",
             MozjsParser,
             cognitive,
-            [(cognitive, 3, usize)],
+            [
+                (cognitive_sum, 3, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 3, usize)
+            ],
             [(cognitive_average, 3.0)]
         );
     }
@@ -884,7 +1034,11 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 3, usize)],
+            [
+                (cognitive_sum, 3, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 3, usize)
+            ],
             [(cognitive_average, 3.0)]
         );
     }
@@ -899,7 +1053,11 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 3, usize)],
+            [
+                (cognitive_sum, 3, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 3, usize)
+            ],
             [(cognitive_average, 3.0)]
         );
     }
@@ -925,7 +1083,11 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 11, usize)],
+            [
+                (cognitive_sum, 11, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 11, usize)
+            ],
             [(cognitive_average, 11.0)]
         );
 
@@ -941,7 +1103,11 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 3, usize)],
+            [
+                (cognitive_sum, 3, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 3, usize)
+            ],
             [(cognitive_average, 3.0)]
         );
     }
@@ -967,7 +1133,11 @@ mod tests {
             "foo.c",
             CppParser,
             cognitive,
-            [(cognitive, 11, usize)],
+            [
+                (cognitive_sum, 11, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 11, usize)
+            ],
             [(cognitive_average, 11.0)]
         );
     }
@@ -993,7 +1163,11 @@ mod tests {
             "foo.js",
             MozjsParser,
             cognitive,
-            [(cognitive, 11, usize)],
+            [
+                (cognitive_sum, 11, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 11, usize)
+            ],
             [(cognitive_average, 11.0)]
         );
     }
@@ -1009,7 +1183,11 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 6, usize)],
+            [
+                (cognitive_sum, 6, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 6, usize)
+            ],
             [(cognitive_average, 6.0)]
         );
     }
@@ -1030,7 +1208,11 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 6, usize)],
+            [
+                (cognitive_sum, 6, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 6, usize)
+            ],
             [(cognitive_average, 6.0)]
         );
     }
@@ -1048,7 +1230,11 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 4, usize)],
+            [
+                (cognitive_sum, 4, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 4, usize)
+            ],
             [(cognitive_average, 4.0)]
         );
     }
@@ -1072,7 +1258,11 @@ mod tests {
             "foo.js",
             MozjsParser,
             cognitive,
-            [(cognitive, 3, usize)],
+            [
+                (cognitive_sum, 3, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 3, usize)
+            ],
             [(cognitive_average, 3.0)]
         );
     }
@@ -1099,7 +1289,11 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 11, usize)],
+            [
+                (cognitive_sum, 11, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 11, usize)
+            ],
             [(cognitive_average, 11.0)]
         );
     }
@@ -1119,7 +1313,11 @@ mod tests {
             "foo.c",
             CppParser,
             cognitive,
-            [(cognitive, 7, usize)],
+            [
+                (cognitive_sum, 7, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 7, usize)
+            ],
             [(cognitive_average, 7.0)]
         );
     }
@@ -1146,7 +1344,11 @@ mod tests {
             "foo.c",
             CppParser,
             cognitive,
-            [(cognitive, 1, usize)],
+            [
+                (cognitive_sum, 1, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 1, usize)
+            ],
             [(cognitive_average, 1.0)]
         );
     }
@@ -1173,7 +1375,11 @@ mod tests {
             "foo.js",
             MozjsParser,
             cognitive,
-            [(cognitive, 1, usize)],
+            [
+                (cognitive_sum, 1, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 1, usize)
+            ],
             [(cognitive_average, 1.0)]
         );
     }
@@ -1188,7 +1394,11 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 4, usize)],
+            [
+                (cognitive_sum, 4, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 4, usize)
+            ],
             [(cognitive_average, 4.0)]
         );
     }
@@ -1206,7 +1416,11 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 5, usize)],
+            [
+                (cognitive_sum, 5, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 3, usize)
+            ],
             [(cognitive_average, 1.25)] // 2 functions + 2 lamdas = 4
         );
     }
@@ -1231,7 +1445,11 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 9, usize)],
+            [
+                (cognitive_sum, 9, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 9, usize)
+            ],
             [(cognitive_average, 9.0)]
         );
     }
@@ -1252,7 +1470,11 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 3, usize)],
+            [
+                (cognitive_sum, 3, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 3, usize)
+            ],
             [(cognitive_average, 3.0)]
         );
     }
@@ -1275,7 +1497,11 @@ mod tests {
             "foo.ts",
             TypescriptParser,
             cognitive,
-            [(cognitive, 4, usize)],
+            [
+                (cognitive_sum, 4, usize),
+                (cognitive_min, 0, usize),
+                (cognitive_max, 4, usize)
+            ],
             [(cognitive_average, 4.0)]
         );
     }
diff --git a/src/spaces.rs b/src/spaces.rs
index 162489bc6..d47cf0737 100644
--- a/src/spaces.rs
+++ b/src/spaces.rs
@@ -199,6 +199,7 @@ fn compute_averages(state: &mut State) {
 fn compute_minmax(state: &mut State) {
     state.space.metrics.cyclomatic.compute_minmax();
     state.space.metrics.nexits.compute_minmax();
+    state.space.metrics.cognitive.compute_minmax();
 }
 
 fn finalize<T: ParserTrait>(state_stack: &mut Vec<State>, diff_level: usize) {