{
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    "count": 2393,
    "membership_file": "/data/digital-drosophila/experiments/phase4d-io/populations/ascending.parquet",
    "neurotransmitter_statistics": {
      "<null>": 1,
      "acetylcholine": 1774,
      "gaba": 407,
      "glutamate": 142,
      "histamine": 4,
      "octopamine": 1,
      "serotonin": 1,
      "unclear": 63
    },
    "selection_expression": "annotation_superclass in {'ascending_neuron','sensory_ascending','sensory_ascending_tbc','efferent_ascending'}"
  },
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    "count": 1316,
    "membership_file": "/data/digital-drosophila/experiments/phase4d-io/populations/descending.parquet",
    "neurotransmitter_statistics": {
      "acetylcholine": 932,
      "gaba": 241,
      "glutamate": 104,
      "serotonin": 2,
      "unclear": 37
    },
    "selection_expression": "annotation_superclass in {'descending_neuron','descending_neuron_tbc'}"
  },
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    "count": 815,
    "membership_file": "/data/digital-drosophila/experiments/phase4d-io/populations/motor_related.parquet",
    "neurotransmitter_statistics": {
      "<null>": 1,
      "acetylcholine": 37,
      "gaba": 2,
      "glutamate": 306,
      "unclear": 469
    },
    "selection_expression": "annotation_superclass in {'vnc_motor','cb_motor'}"
  }
}