Exposure of baboons to combined 60 Hz electric and magnetic fields does not produce work stoppage or affect operant performance on a match-to-sample task.

{
  "study_type": "animal",
  "exposure": {
    "band": "ELF",
    "source": null,
    "frequency_mhz": 0.06,
    "sar_wkg": null,
    "duration": "Two experiments; each had 6-week preexposure, exposure, and postexposure periods (exposure duration not further specified)."
  },
  "population": "Baboons (Papio cynocephalus)",
  "sample_size": 10,
  "outcomes": [
    "Work stoppage",
    "Operant performance on delayed match-to-sample (MTS) task (flash rate of a light as stimulus)"
  ],
  "main_findings": "Across two experiments, there was no evidence of work stoppage at 6 kV/m with 50 microT (0.5 G) or at 30 kV/m with 100 microT (1.0 G). No adverse effects of 60 Hz combined electric and magnetic field exposure were observed on MTS task performance.",
  "effect_direction": "no_effect",
  "limitations": [
    "Small sample size (10 baboons; 5 exposed and 5 sham per experiment/grouping as described)",
    "Exposure duration within the exposure period not specified in the abstract",
    "Some animals required cueing to perform accurately, which may affect generalizability of performance outcomes"
  ],
  "evidence_strength": "low",
  "confidence": 0.78,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "60 Hz",
    "ELF",
    "electric field",
    "magnetic field",
    "baboons",
    "Papio cynocephalus",
    "work stoppage",
    "operant performance",
    "delayed match-to-sample"
  ],
  "suggested_hubs": [
    {
      "slug": "occupational-exposure",
      "weight": 0.25,
      "reason": "Study examines combined 60 Hz electric and magnetic fields at kV/m and microtesla levels relevant to power-frequency environments, though no specific workplace setting is stated."
    }
  ]
}