Document (#21577)

Author
Cowan, W.M.
Title
¬Die Entwicklung des Gehirns
Source
Spektrum der Wissenschaft. 1979, H.11, S.82-92
Year
1979
Abstract
Während der Entwicklung des Gehirns im menschlichen Fetus bilden sich pro Minute Hundertausende von Nervenzellen. Es stellt sich die Frage, wie diese Zellen ihre Plätze finden und wie sie so miteinander in Verbindung treten, daß die für das Gehirn charakteristischen Strukturen und Leitungsbahnen entstehen
Field
Kognitionswissenschaft

Similar documents (content)

  1. Seckel, A.: Optische Illusionen (2004) 0.23
    0.22943394 = sum of:
      0.22943394 = product of:
        0.50475466 = sum of:
          0.023821818 = weight(abstract_txt:diese in 3168) [ClassicSimilarity], result of:
            0.023821818 = score(doc=3168,freq=4.0), product of:
              0.07034882 = queryWeight, product of:
                4.3343906 = idf(docFreq=1582, maxDocs=44421)
                0.016230384 = queryNorm
              0.33862427 = fieldWeight in 3168, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                4.3343906 = idf(docFreq=1582, maxDocs=44421)
                0.0390625 = fieldNorm(doc=3168)
          0.028590675 = weight(abstract_txt:ihre in 3168) [ClassicSimilarity], result of:
            0.028590675 = score(doc=3168,freq=3.0), product of:
              0.08744522 = queryWeight, product of:
                1.1149095 = boost
                4.8324533 = idf(docFreq=961, maxDocs=44421)
                0.016230384 = queryNorm
              0.32695526 = fieldWeight in 3168, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.8324533 = idf(docFreq=961, maxDocs=44421)
                0.0390625 = fieldNorm(doc=3168)
          0.026209733 = weight(abstract_txt:finden in 3168) [ClassicSimilarity], result of:
            0.026209733 = score(doc=3168,freq=1.0), product of:
              0.11901507 = queryWeight, product of:
                1.3006862 = boost
                5.6376824 = idf(docFreq=429, maxDocs=44421)
                0.016230384 = queryNorm
              0.22022197 = fieldWeight in 3168, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.6376824 = idf(docFreq=429, maxDocs=44421)
                0.0390625 = fieldNorm(doc=3168)
          0.06795754 = weight(abstract_txt:gehirn in 3168) [ClassicSimilarity], result of:
            0.06795754 = score(doc=3168,freq=3.0), product of:
              0.1557441 = queryWeight, product of:
                1.4879125 = boost
                6.449194 = idf(docFreq=190, maxDocs=44421)
                0.016230384 = queryNorm
              0.43634105 = fieldWeight in 3168, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                6.449194 = idf(docFreq=190, maxDocs=44421)
                0.0390625 = fieldNorm(doc=3168)
          0.04151146 = weight(abstract_txt:menschlichen in 3168) [ClassicSimilarity], result of:
            0.04151146 = score(doc=3168,freq=1.0), product of:
              0.16171075 = queryWeight, product of:
                1.516146 = boost
                6.571569 = idf(docFreq=168, maxDocs=44421)
                0.016230384 = queryNorm
              0.25670192 = fieldWeight in 3168, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.571569 = idf(docFreq=168, maxDocs=44421)
                0.0390625 = fieldNorm(doc=3168)
          0.04355314 = weight(abstract_txt:miteinander in 3168) [ClassicSimilarity], result of:
            0.04355314 = score(doc=3168,freq=1.0), product of:
              0.16697055 = queryWeight, product of:
                1.5406058 = boost
                6.677587 = idf(docFreq=151, maxDocs=44421)
                0.016230384 = queryNorm
              0.26084325 = fieldWeight in 3168, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.677587 = idf(docFreq=151, maxDocs=44421)
                0.0390625 = fieldNorm(doc=3168)
          0.062334336 = weight(abstract_txt:entstehen in 3168) [ClassicSimilarity], result of:
            0.062334336 = score(doc=3168,freq=2.0), product of:
              0.16830686 = queryWeight, product of:
                1.5467584 = boost
                6.704255 = idf(docFreq=147, maxDocs=44421)
                0.016230384 = queryNorm
              0.37036124 = fieldWeight in 3168, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.704255 = idf(docFreq=147, maxDocs=44421)
                0.0390625 = fieldNorm(doc=3168)
          0.034826826 = weight(abstract_txt:sich in 3168) [ClassicSimilarity], result of:
            0.034826826 = score(doc=3168,freq=7.0), product of:
              0.09474293 = queryWeight, product of:
                1.6411942 = boost
                3.5567884 = idf(docFreq=3444, maxDocs=44421)
                0.016230384 = queryNorm
              0.36759287 = fieldWeight in 3168, product of:
                2.6457512 = tf(freq=7.0), with freq of:
                  7.0 = termFreq=7.0
                3.5567884 = idf(docFreq=3444, maxDocs=44421)
                0.0390625 = fieldNorm(doc=3168)
          0.06439054 = weight(abstract_txt:treten in 3168) [ClassicSimilarity], result of:
            0.06439054 = score(doc=3168,freq=1.0), product of:
              0.21669136 = queryWeight, product of:
                1.7550616 = boost
                7.607123 = idf(docFreq=59, maxDocs=44421)
                0.016230384 = queryNorm
              0.29715323 = fieldWeight in 3168, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.607123 = idf(docFreq=59, maxDocs=44421)
                0.0390625 = fieldNorm(doc=3168)
          0.11155859 = weight(abstract_txt:zellen in 3168) [ClassicSimilarity], result of:
            0.11155859 = score(doc=3168,freq=1.0), product of:
              0.31258073 = queryWeight, product of:
                2.107913 = boost
                9.1365185 = idf(docFreq=12, maxDocs=44421)
                0.016230384 = queryNorm
              0.35689527 = fieldWeight in 3168, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.1365185 = idf(docFreq=12, maxDocs=44421)
                0.0390625 = fieldNorm(doc=3168)
        0.45454547 = coord(10/22)
    
  2. Malsburg, C. von der: Gehirn und Computer (2002) 0.23
    0.22936973 = sum of:
      0.22936973 = product of:
        0.5606816 = sum of:
          0.020213485 = weight(abstract_txt:diese in 127) [ClassicSimilarity], result of:
            0.020213485 = score(doc=127,freq=2.0), product of:
              0.07034882 = queryWeight, product of:
                4.3343906 = idf(docFreq=1582, maxDocs=44421)
                0.016230384 = queryNorm
              0.28733224 = fieldWeight in 127, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.3343906 = idf(docFreq=1582, maxDocs=44421)
                0.046875 = fieldNorm(doc=127)
          0.019808201 = weight(abstract_txt:ihre in 127) [ClassicSimilarity], result of:
            0.019808201 = score(doc=127,freq=1.0), product of:
              0.08744522 = queryWeight, product of:
                1.1149095 = boost
                4.8324533 = idf(docFreq=961, maxDocs=44421)
                0.016230384 = queryNorm
              0.22652125 = fieldWeight in 127, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.8324533 = idf(docFreq=961, maxDocs=44421)
                0.046875 = fieldNorm(doc=127)
          0.027453976 = weight(abstract_txt:frage in 127) [ClassicSimilarity], result of:
            0.027453976 = score(doc=127,freq=1.0), product of:
              0.108703345 = queryWeight, product of:
                1.2430627 = boost
                5.3879194 = idf(docFreq=551, maxDocs=44421)
                0.016230384 = queryNorm
              0.2525587 = fieldWeight in 127, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.3879194 = idf(docFreq=551, maxDocs=44421)
                0.046875 = fieldNorm(doc=127)
          0.037933085 = weight(abstract_txt:während in 127) [ClassicSimilarity], result of:
            0.037933085 = score(doc=127,freq=1.0), product of:
              0.13485017 = queryWeight, product of:
                1.384514 = boost
                6.0010242 = idf(docFreq=298, maxDocs=44421)
                0.016230384 = queryNorm
              0.281298 = fieldWeight in 127, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.0010242 = idf(docFreq=298, maxDocs=44421)
                0.046875 = fieldNorm(doc=127)
          0.081549056 = weight(abstract_txt:gehirn in 127) [ClassicSimilarity], result of:
            0.081549056 = score(doc=127,freq=3.0), product of:
              0.1557441 = queryWeight, product of:
                1.4879125 = boost
                6.449194 = idf(docFreq=190, maxDocs=44421)
                0.016230384 = queryNorm
              0.5236093 = fieldWeight in 127, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                6.449194 = idf(docFreq=190, maxDocs=44421)
                0.046875 = fieldNorm(doc=127)
          0.04981375 = weight(abstract_txt:menschlichen in 127) [ClassicSimilarity], result of:
            0.04981375 = score(doc=127,freq=1.0), product of:
              0.16171075 = queryWeight, product of:
                1.516146 = boost
                6.571569 = idf(docFreq=168, maxDocs=44421)
                0.016230384 = queryNorm
              0.3080423 = fieldWeight in 127, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.571569 = idf(docFreq=168, maxDocs=44421)
                0.046875 = fieldNorm(doc=127)
          0.0939094 = weight(abstract_txt:strukturen in 127) [ClassicSimilarity], result of:
            0.0939094 = score(doc=127,freq=3.0), product of:
              0.17110853 = queryWeight, product of:
                1.5595791 = boost
                6.759825 = idf(docFreq=139, maxDocs=44421)
                0.016230384 = queryNorm
              0.54882944 = fieldWeight in 127, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                6.759825 = idf(docFreq=139, maxDocs=44421)
                0.046875 = fieldNorm(doc=127)
          0.035320852 = weight(abstract_txt:sich in 127) [ClassicSimilarity], result of:
            0.035320852 = score(doc=127,freq=5.0), product of:
              0.09474293 = queryWeight, product of:
                1.6411942 = boost
                3.5567884 = idf(docFreq=3444, maxDocs=44421)
                0.016230384 = queryNorm
              0.37280723 = fieldWeight in 127, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                3.5567884 = idf(docFreq=3444, maxDocs=44421)
                0.046875 = fieldNorm(doc=127)
          0.19467974 = weight(abstract_txt:gehirns in 127) [ClassicSimilarity], result of:
            0.19467974 = score(doc=127,freq=2.0), product of:
              0.4012237 = queryWeight, product of:
                3.3773794 = boost
                7.319441 = idf(docFreq=79, maxDocs=44421)
                0.016230384 = queryNorm
              0.48521495 = fieldWeight in 127, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                7.319441 = idf(docFreq=79, maxDocs=44421)
                0.046875 = fieldNorm(doc=127)
        0.4090909 = coord(9/22)
    
  3. pcb: Neuronale Netze (2001) 0.20
    0.19525929 = sum of:
      0.19525929 = product of:
        0.8591409 = sum of:
          0.033350546 = weight(abstract_txt:diese in 6628) [ClassicSimilarity], result of:
            0.033350546 = score(doc=6628,freq=1.0), product of:
              0.07034882 = queryWeight, product of:
                4.3343906 = idf(docFreq=1582, maxDocs=44421)
                0.016230384 = queryNorm
              0.47407398 = fieldWeight in 6628, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.3343906 = idf(docFreq=1582, maxDocs=44421)
                0.109375 = fieldNorm(doc=6628)
          0.1553639 = weight(abstract_txt:gehirn in 6628) [ClassicSimilarity], result of:
            0.1553639 = score(doc=6628,freq=2.0), product of:
              0.1557441 = queryWeight, product of:
                1.4879125 = boost
                6.449194 = idf(docFreq=190, maxDocs=44421)
                0.016230384 = queryNorm
              0.99755883 = fieldWeight in 6628, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.449194 = idf(docFreq=190, maxDocs=44421)
                0.109375 = fieldNorm(doc=6628)
          0.036857247 = weight(abstract_txt:sich in 6628) [ClassicSimilarity], result of:
            0.036857247 = score(doc=6628,freq=1.0), product of:
              0.09474293 = queryWeight, product of:
                1.6411942 = boost
                3.5567884 = idf(docFreq=3444, maxDocs=44421)
                0.016230384 = queryNorm
              0.38902372 = fieldWeight in 6628, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.5567884 = idf(docFreq=3444, maxDocs=44421)
                0.109375 = fieldNorm(doc=6628)
          0.312364 = weight(abstract_txt:zellen in 6628) [ClassicSimilarity], result of:
            0.312364 = score(doc=6628,freq=1.0), product of:
              0.31258073 = queryWeight, product of:
                2.107913 = boost
                9.1365185 = idf(docFreq=12, maxDocs=44421)
                0.016230384 = queryNorm
              0.9993067 = fieldWeight in 6628, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.1365185 = idf(docFreq=12, maxDocs=44421)
                0.109375 = fieldNorm(doc=6628)
          0.32120517 = weight(abstract_txt:gehirns in 6628) [ClassicSimilarity], result of:
            0.32120517 = score(doc=6628,freq=1.0), product of:
              0.4012237 = queryWeight, product of:
                3.3773794 = boost
                7.319441 = idf(docFreq=79, maxDocs=44421)
                0.016230384 = queryNorm
              0.8005638 = fieldWeight in 6628, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.319441 = idf(docFreq=79, maxDocs=44421)
                0.109375 = fieldNorm(doc=6628)
        0.22727273 = coord(5/22)
    
  4. Linke, D.B.: Hirnverpflanzung : die erste Unsterblichkeit auf Erden (1993) 0.19
    0.19469821 = sum of:
      0.19469821 = product of:
        0.53542006 = sum of:
          0.031960323 = weight(abstract_txt:diese in 1710) [ClassicSimilarity], result of:
            0.031960323 = score(doc=1710,freq=5.0), product of:
              0.07034882 = queryWeight, product of:
                4.3343906 = idf(docFreq=1582, maxDocs=44421)
                0.016230384 = queryNorm
              0.45431212 = fieldWeight in 1710, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                4.3343906 = idf(docFreq=1582, maxDocs=44421)
                0.046875 = fieldNorm(doc=1710)
          0.037839267 = weight(abstract_txt:stellt in 1710) [ClassicSimilarity], result of:
            0.037839267 = score(doc=1710,freq=2.0), product of:
              0.1068541 = queryWeight, product of:
                1.2324439 = boost
                5.3418937 = idf(docFreq=577, maxDocs=44421)
                0.016230384 = queryNorm
              0.35412085 = fieldWeight in 1710, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.3418937 = idf(docFreq=577, maxDocs=44421)
                0.046875 = fieldNorm(doc=1710)
          0.05490795 = weight(abstract_txt:frage in 1710) [ClassicSimilarity], result of:
            0.05490795 = score(doc=1710,freq=4.0), product of:
              0.108703345 = queryWeight, product of:
                1.2430627 = boost
                5.3879194 = idf(docFreq=551, maxDocs=44421)
                0.016230384 = queryNorm
              0.5051174 = fieldWeight in 1710, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                5.3879194 = idf(docFreq=551, maxDocs=44421)
                0.046875 = fieldNorm(doc=1710)
          0.094164744 = weight(abstract_txt:gehirn in 1710) [ClassicSimilarity], result of:
            0.094164744 = score(doc=1710,freq=4.0), product of:
              0.1557441 = queryWeight, product of:
                1.4879125 = boost
                6.449194 = idf(docFreq=190, maxDocs=44421)
                0.016230384 = queryNorm
              0.60461193 = fieldWeight in 1710, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                6.449194 = idf(docFreq=190, maxDocs=44421)
                0.046875 = fieldNorm(doc=1710)
          0.04981375 = weight(abstract_txt:menschlichen in 1710) [ClassicSimilarity], result of:
            0.04981375 = score(doc=1710,freq=1.0), product of:
              0.16171075 = queryWeight, product of:
                1.516146 = boost
                6.571569 = idf(docFreq=168, maxDocs=44421)
                0.016230384 = queryNorm
              0.3080423 = fieldWeight in 1710, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.571569 = idf(docFreq=168, maxDocs=44421)
                0.046875 = fieldNorm(doc=1710)
          0.027359413 = weight(abstract_txt:sich in 1710) [ClassicSimilarity], result of:
            0.027359413 = score(doc=1710,freq=3.0), product of:
              0.09474293 = queryWeight, product of:
                1.6411942 = boost
                3.5567884 = idf(docFreq=3444, maxDocs=44421)
                0.016230384 = queryNorm
              0.28877524 = fieldWeight in 1710, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.5567884 = idf(docFreq=3444, maxDocs=44421)
                0.046875 = fieldNorm(doc=1710)
          0.04469486 = weight(abstract_txt:entwicklung in 1710) [ClassicSimilarity], result of:
            0.04469486 = score(doc=1710,freq=1.0), product of:
              0.18953428 = queryWeight, product of:
                2.3212957 = boost
                5.030701 = idf(docFreq=788, maxDocs=44421)
                0.016230384 = queryNorm
              0.23581412 = fieldWeight in 1710, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.030701 = idf(docFreq=788, maxDocs=44421)
                0.046875 = fieldNorm(doc=1710)
          0.19467974 = weight(abstract_txt:gehirns in 1710) [ClassicSimilarity], result of:
            0.19467974 = score(doc=1710,freq=2.0), product of:
              0.4012237 = queryWeight, product of:
                3.3773794 = boost
                7.319441 = idf(docFreq=79, maxDocs=44421)
                0.016230384 = queryNorm
              0.48521495 = fieldWeight in 1710, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                7.319441 = idf(docFreq=79, maxDocs=44421)
                0.046875 = fieldNorm(doc=1710)
        0.36363637 = coord(8/22)
    
  5. Stevens, C.F.: ¬Die Nervenzelle (1979) 0.19
    0.190536 = sum of:
      0.190536 = product of:
        1.047948 = sum of:
          0.04212257 = weight(abstract_txt:sich in 5232) [ClassicSimilarity], result of:
            0.04212257 = score(doc=5232,freq=1.0), product of:
              0.09474293 = queryWeight, product of:
                1.6411942 = boost
                3.5567884 = idf(docFreq=3444, maxDocs=44421)
                0.016230384 = queryNorm
              0.44459856 = fieldWeight in 5232, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.5567884 = idf(docFreq=3444, maxDocs=44421)
                0.125 = fieldNorm(doc=5232)
          0.2817464 = weight(abstract_txt:nervenzellen in 5232) [ClassicSimilarity], result of:
            0.2817464 = score(doc=5232,freq=1.0), product of:
              0.26695156 = queryWeight, product of:
                1.947995 = boost
                8.443371 = idf(docFreq=25, maxDocs=44421)
                0.016230384 = queryNorm
              1.0554214 = fieldWeight in 5232, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.443371 = idf(docFreq=25, maxDocs=44421)
                0.125 = fieldNorm(doc=5232)
          0.35698745 = weight(abstract_txt:zellen in 5232) [ClassicSimilarity], result of:
            0.35698745 = score(doc=5232,freq=1.0), product of:
              0.31258073 = queryWeight, product of:
                2.107913 = boost
                9.1365185 = idf(docFreq=12, maxDocs=44421)
                0.016230384 = queryNorm
              1.1420648 = fieldWeight in 5232, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.1365185 = idf(docFreq=12, maxDocs=44421)
                0.125 = fieldNorm(doc=5232)
          0.36709163 = weight(abstract_txt:gehirns in 5232) [ClassicSimilarity], result of:
            0.36709163 = score(doc=5232,freq=1.0), product of:
              0.4012237 = queryWeight, product of:
                3.3773794 = boost
                7.319441 = idf(docFreq=79, maxDocs=44421)
                0.016230384 = queryNorm
              0.9149301 = fieldWeight in 5232, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.319441 = idf(docFreq=79, maxDocs=44421)
                0.125 = fieldNorm(doc=5232)
        0.18181819 = coord(4/22)