NACLab · ago109 · Aug 14, 2026 · Jun 9, 2026 · Jun 9, 2026 · Jun 15, 2026
diff --git a/README.md b/README.md
@@ -29,7 +29,7 @@ ngc-learn requires:
 1) Python (>=3.10)
 2) NumPy (>=1.22.0)
 3) SciPy (>=1.7.0)
-4) ngcsimlib (>=3.0.0), (visit official page <a href="https://github.com/NACLab/ngc-sim-lib">here</a>)
+4) ngcsimlib (>=3.1.0), (visit official page <a href="https://github.com/NACLab/ngc-sim-lib">here</a>)
 5) JAX (>=0.4.28) (to enable GPU use, make sure to install one of the CUDA variants)
 <!--
 5) scikit-learn (>=1.3.1) if using `ngclearn.utils.density`
@@ -39,7 +39,7 @@ ngc-learn requires:
 -->
 
 ---
-ngc-learn 3.1.0 and later require Python 3.10 or newer as well as ngcsimlib >=3.0.0.
+ngc-learn 3.2.0 and later require Python 3.10 or newer as well as ngcsimlib >=3.1.0.
 ngc-learn's plotting capabilities (routines within `ngclearn.utils.viz`) require
 Matplotlib (>=3.8.0) and imageio (>=2.31.5) and both plotting and density estimation
 tools (routines within ``ngclearn.utils.density``) will require Scikit-learn (>=0.24.2).
@@ -72,7 +72,7 @@ Python 3.11.4 (main, MONTH  DAY YEAR, TIME) [GCC XX.X.X] on linux
 Type "help", "copyright", "credits" or "license" for more information.
 >>> import ngclearn
 >>> ngclearn.__version__
-'3.1.0'
+'3.2.0'
 ```
 
 <i>Note:</i> For access to the previous Tensorflow-2 version of ngc-learn (of
@@ -119,7 +119,7 @@ $ python install -e .
 </pre>
 
 **Version:**<br>
-3.1.1 <!--1.2.3-Beta--> <!-- -Alpha -->
+3.2.0 <!--1.2.3-Beta--> <!-- -Alpha -->
 
 Author:
 Alexander G. Ororbia II<br>

diff --git a/docs/museum/pc_rao_ballard1999.md b/docs/museum/pc_rao_ballard1999.md
@@ -4,7 +4,7 @@ In this exhibit, we create, simulate, and visualize the internally acquired rece
 model originally proposed in (Rao &amp; Ballard, 1999) [1]. 
 
 The model code for this exhibit can be found 
-[here](https://github.com/NACLab/ngc-museum/tree/main/exhibits/pc_recon).
+[here](https://github.com/NACLab/ngc-museum/tree/main/exhibits/pc_reconstruction).
 
 ## Setting Up Hierarchical Predictive Coding (HPC) with NGC-Learn
 

diff --git a/docs/source/ngclearn.components.input_encoders.rst b/docs/source/ngclearn.components.input_encoders.rst
@@ -4,6 +4,14 @@ ngclearn.components.input\_encoders package
 Submodules
 ----------
 
+ngclearn.components.input\_encoders.TTFSCell module
+---------------------------------------------------
+
+.. automodule:: ngclearn.components.input_encoders.TTFSCell
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
 ngclearn.components.input\_encoders.bernoulliCell module
 --------------------------------------------------------
 
@@ -20,14 +28,6 @@ ngclearn.components.input\_encoders.ganglionCell module
    :undoc-members:
    :show-inheritance:
 
-ngclearn.components.input\_encoders.gridCell module
----------------------------------------------------
-
-.. automodule:: ngclearn.components.input_encoders.gridCell
-   :members:
-   :undoc-members:
-   :show-inheritance:
-
 ngclearn.components.input\_encoders.latencyCell module
 ------------------------------------------------------
 
@@ -44,14 +44,6 @@ ngclearn.components.input\_encoders.phasorCell module
    :undoc-members:
    :show-inheritance:
 
-ngclearn.components.input\_encoders.placeCell module
-----------------------------------------------------
-
-.. automodule:: ngclearn.components.input_encoders.placeCell
-   :members:
-   :undoc-members:
-   :show-inheritance:
-
 ngclearn.components.input\_encoders.poissonCell module
 ------------------------------------------------------
 
@@ -60,14 +52,6 @@ ngclearn.components.input\_encoders.poissonCell module
    :undoc-members:
    :show-inheritance:
 
-ngclearn.components.input\_encoders.populationCoderCell module
---------------------------------------------------------------
-
-.. automodule:: ngclearn.components.input_encoders.populationCoderCell
-   :members:
-   :undoc-members:
-   :show-inheritance:
-
 Module contents
 ---------------
 

diff --git a/docs/source/ngclearn.components.neurons.spiking.rst b/docs/source/ngclearn.components.neurons.spiking.rst
@@ -20,6 +20,14 @@ ngclearn.components.neurons.spiking.LIFCell module
    :undoc-members:
    :show-inheritance:
 
+ngclearn.components.neurons.spiking.LIFSRM module
+-------------------------------------------------
+
+.. automodule:: ngclearn.components.neurons.spiking.LIFSRM
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
 ngclearn.components.neurons.spiking.RAFCell module
 --------------------------------------------------
 
@@ -28,6 +36,14 @@ ngclearn.components.neurons.spiking.RAFCell module
    :undoc-members:
    :show-inheritance:
 
+ngclearn.components.neurons.spiking.RAFSRM module
+-------------------------------------------------
+
+.. automodule:: ngclearn.components.neurons.spiking.RAFSRM
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
 ngclearn.components.neurons.spiking.WTASCell module
 ---------------------------------------------------
 

diff --git a/docs/source/ngclearn.components.synapses.competitive.rst b/docs/source/ngclearn.components.synapses.competitive.rst
@@ -28,14 +28,6 @@ ngclearn.components.synapses.competitive.hopfieldSynapse module
    :undoc-members:
    :show-inheritance:
 
-ngclearn.components.synapses.competitive.simple\_ART2ASynapse module
---------------------------------------------------------------------
-
-.. automodule:: ngclearn.components.synapses.competitive.simple_ART2ASynapse
-   :members:
-   :undoc-members:
-   :show-inheritance:
-
 ngclearn.components.synapses.competitive.vectorQuantizeSynapse module
 ---------------------------------------------------------------------
 

diff --git a/docs/source/ngclearn.components.synapses.hebbian.rst b/docs/source/ngclearn.components.synapses.hebbian.rst
@@ -52,6 +52,14 @@ ngclearn.components.synapses.hebbian.hebbianSynapse module
    :undoc-members:
    :show-inheritance:
 
+ngclearn.components.synapses.hebbian.inhibitorySTDPSynapse module
+-----------------------------------------------------------------
+
+.. automodule:: ngclearn.components.synapses.hebbian.inhibitorySTDPSynapse
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
 ngclearn.components.synapses.hebbian.traceSTDPSynapse module
 ------------------------------------------------------------
 

diff --git a/docs/source/ngclearn.components.synapses.rst b/docs/source/ngclearn.components.synapses.rst
@@ -64,6 +64,22 @@ ngclearn.components.synapses.mpsSynapse module
    :undoc-members:
    :show-inheritance:
 
+ngclearn.components.synapses.sparseTensorSynapse module
+-------------------------------------------------------
+
+.. automodule:: ngclearn.components.synapses.sparseTensorSynapse
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
+ngclearn.components.synapses.staticSparseTensorSynapse module
+-------------------------------------------------------------
+
+.. automodule:: ngclearn.components.synapses.staticSparseTensorSynapse
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
 ngclearn.components.synapses.staticSynapse module
 -------------------------------------------------
 

diff --git a/docs/tutorials/model_basics/evolving_synapses.md b/docs/tutorials/model_basics/evolving_synapses.md
@@ -46,13 +46,16 @@ with Context("Circuit") as circuit:
 
     ## create and compile core simulation commands  
     evolve = (MethodProcess("evolve")
-              >> a.evolve)
+              >> Wab.evolve)
 
     advance = (MethodProcess("advance")
-               >> a.advance_state)
+               >> a.advance_state
+               >> Wab.advance_state
+               >> b.advance_state)
 
     reset = (MethodProcess("reset")
-             >> a.reset)
+             >> a.reset
+             >> b.reset)
 
 ## set up non-compiled utility commands
 def clamp(x):
@@ -67,7 +70,7 @@ and evolve the synapse every time step like so:
 x_seq = jnp.asarray([[1, 1, 0, 0, 1]], dtype=jnp.float32)
 
 reset.run()
-print("{}: Wab = {}".format(-1, Wab.weights.value))
+print("{}: Wab = {}".format(-1, Wab.weights.get()))
 for ts in range(x_seq.shape[1]):
   x_t = jnp.expand_dims(x_seq[0,ts], axis=0) ## get data at time t
   clamp(x_t)

diff --git a/history.txt b/history.txt
@@ -103,10 +103,15 @@ History
 
   3.1.1
   — — — — — — — — -
-  * Several patches and fixes (ensured certain error-neurons behaved as in v3.0.0)
-  * Update to docs/revisions
-  * Integration of filters/filtering functionality (including simple divisive normalization) in utilities
-  * Integration of several useful metrics (including for characterizing sparsity)
-  * Some additional clean-up throughout
-
+  * several patches and fixes (ensured certain error-neurons behaved as in v3.0.0)
+  * ipdate to docs/revisions
+  * integration of filters/filtering functionality (including simple divisive normalization) in utilities
+  * integration of several useful metrics (including for characterizing sparsity)
+  * some additional clean-up throughout
 
+  3.2.0
+  — — — — — — — — -
+  * various fixes/patches as well as clean-up/minor tweaks to utils/core components
+  * integration of additional visualization tools
+  * integration of sparse-tensor synaptic cable (locally-connected/unshared-convolutional structure)
+  * additional component integration/revisions, including updates to patched-synaptic cable components
diff --git a/ngclearn/components/__init__.py b/ngclearn/components/__init__.py
@@ -19,6 +19,9 @@
 from .neurons.spiking.izhikevichCell import IzhikevichCell
 from .neurons.spiking.hodgkinHuxleyCell import HodgkinHuxleyCell
 from .neurons.spiking.RAFCell import RAFCell
+## point to standard spiking spike-response model component types
+from .neurons.spiking.LIFSRM import LIFSRM
+from .neurons.spiking.RAFSRM import RAFSRM
 
 ## point to transformer/operator component types
 from .other.varTrace import VarTrace
@@ -30,19 +33,23 @@
 from .input_encoders.ganglionCell import RetinalGanglionCell
 from .input_encoders.latencyCell import LatencyCell
 from .input_encoders.phasorCell import PhasorCell
+from .input_encoders.TTFSCell import TTFSCell
 #from .input_encoders.populationCoderCell import PopulationCoderCell
 #from .input_encoders.gridCell import GridCell
 #from .input_encoders.placeCell import PlaceCell
 
 ## point to synapse component types
 from .synapses.denseSynapse import DenseSynapse
 from .synapses.staticSynapse import StaticSynapse
+from .synapses.sparseTensorSynapse import SparseTensorSynapse
+from .synapses.staticSparseTensorSynapse import StaticSparseTensorSynapse
 from .synapses.hebbian.hebbianSynapse import HebbianSynapse
 from .synapses.hebbian.STDPSynapse import STDPSynapse
 from .synapses.hebbian.traceSTDPSynapse import TraceSTDPSynapse
 from .synapses.hebbian.expSTDPSynapse import ExpSTDPSynapse
 from .synapses.hebbian.eventSTDPSynapse import EventSTDPSynapse
 from .synapses.hebbian.BCMSynapse import BCMSynapse
+from .synapses.hebbian.inhibitorySTDPSynapse import InhibitorySTDPSynapse
 from .synapses.competitive.SOMSynapse import SOMSynapse
 from .synapses.STPDenseSynapse import STPDenseSynapse
 from .synapses.exponentialSynapse import ExponentialSynapse