/usr/share/pyshared/brian/experimental/ is in python-brian 1.3.1-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/brian/experimental/__init__.py
/usr/share/pyshared/brian/experimental/c_stdp.py
/usr/share/pyshared/brian/experimental/codegen/
/usr/share/pyshared/brian/experimental/codegen/__init__.py
/usr/share/pyshared/brian/experimental/codegen/c_support_code.py
/usr/share/pyshared/brian/experimental/codegen/codegen.py
/usr/share/pyshared/brian/experimental/codegen/codegen_c.py
/usr/share/pyshared/brian/experimental/codegen/codegen_gpu.py
/usr/share/pyshared/brian/experimental/codegen/codegen_python.py
/usr/share/pyshared/brian/experimental/codegen/demo.py
/usr/share/pyshared/brian/experimental/codegen/expressions.py
/usr/share/pyshared/brian/experimental/codegen/integration_schemes.py
/usr/share/pyshared/brian/experimental/codegen/reset.py
/usr/share/pyshared/brian/experimental/codegen/rewriting.py
/usr/share/pyshared/brian/experimental/codegen/stateupdaters.py
/usr/share/pyshared/brian/experimental/codegen/test_hh.py
/usr/share/pyshared/brian/experimental/codegen/test_reset.py
/usr/share/pyshared/brian/experimental/codegen/test_threshold.py
/usr/share/pyshared/brian/experimental/codegen/threshold.py
/usr/share/pyshared/brian/experimental/coincidence_detection.py
/usr/share/pyshared/brian/experimental/compensation/
/usr/share/pyshared/brian/experimental/compensation/compare.py
/usr/share/pyshared/brian/experimental/compensation/fast_compensation.py
/usr/share/pyshared/brian/experimental/compensation/filter.py
/usr/share/pyshared/brian/experimental/connectionmonitor.py
/usr/share/pyshared/brian/experimental/cuda/
/usr/share/pyshared/brian/experimental/cuda/__init__.py
/usr/share/pyshared/brian/experimental/cuda/buffering.py
/usr/share/pyshared/brian/experimental/cuda/gpucodegen.py
/usr/share/pyshared/brian/experimental/integrodiff.py
/usr/share/pyshared/brian/experimental/modelfitting/
/usr/share/pyshared/brian/experimental/modelfitting/__init__.py
/usr/share/pyshared/brian/experimental/modelfitting/benchmark.py
/usr/share/pyshared/brian/experimental/modelfitting/compensation.py
/usr/share/pyshared/brian/experimental/modelfitting/criteria.py
/usr/share/pyshared/brian/experimental/modelfitting/gpu_modelfitting.py
/usr/share/pyshared/brian/experimental/modelfitting/lp2bert.py
/usr/share/pyshared/brian/experimental/modelfitting/modelfitting.py
/usr/share/pyshared/brian/experimental/modelfitting/modelfitting_old.py
/usr/share/pyshared/brian/experimental/modelfitting/simulator.py
/usr/share/pyshared/brian/experimental/morphology.py
/usr/share/pyshared/brian/experimental/multilinearstateupdater.py
/usr/share/pyshared/brian/experimental/neuromorphic/
/usr/share/pyshared/brian/experimental/neuromorphic/AER.py
/usr/share/pyshared/brian/experimental/neuromorphic/__init__.py
/usr/share/pyshared/brian/experimental/neuromorphic/example_AER.py
/usr/share/pyshared/brian/experimental/neuromorphic/realtime.py
/usr/share/pyshared/brian/experimental/neuromorphic/spikequeue.py
/usr/share/pyshared/brian/experimental/neuromorphic/test_AERSpikeMonitor.py
/usr/share/pyshared/brian/experimental/neuromorphic/test_newspikegengroup.py
/usr/share/pyshared/brian/experimental/neuromorphic/test_struct_vs_np.py
/usr/share/pyshared/brian/experimental/new_c_propagate.py
/usr/share/pyshared/brian/experimental/realtime_monitor.py
/usr/share/pyshared/brian/experimental/spatialneuron.py
/usr/share/pyshared/brian/experimental/stdp/
/usr/share/pyshared/brian/experimental/stdp/STDP1.py
/usr/share/pyshared/brian/experimental/stdp/eventbased_stdp.py
/usr/share/pyshared/brian/experimental/stochasticconnection.py
/usr/share/pyshared/brian/experimental/trace_analysis.py