timing_pfister_triplet_impl.h File Reference

Timing rule using spike triplets. More...

#include <neuron/plasticity/stdp/synapse_structure/synapse_structure_weight_impl.h>
#include "timing.h"
#include <neuron/plasticity/stdp/weight_dependence/weight_two_term.h>
#include <debug.h>
#include <neuron/plasticity/stdp/maths.h>
#include <neuron/plasticity/stdp/stdp_typedefs.h>

Go to the source code of this file.

Data Structures
struct	post_trace_t
	The type of post-spike traces. More...
struct	pre_trace_t
	The type of pre-spike traces. More...

Functions
static post_trace_t	timing_get_initial_post_trace (void)
	Get an initial post-synaptic timing trace.
static post_trace_t	timing_decay_post (uint32_t time, uint32_t last_time, post_trace_t last_trace)
static post_trace_t	timing_add_post_spike (uint32_t time, uint32_t last_time, post_trace_t last_trace)
	Add a post spike to the post trace.
static pre_trace_t	timing_add_pre_spike (uint32_t time, uint32_t last_time, pre_trace_t last_trace)
	Add a pre spike to the pre trace.
static update_state_t	timing_apply_pre_spike (uint32_t time, pre_trace_t trace, uint32_t last_pre_time, pre_trace_t last_pre_trace, uint32_t last_post_time, post_trace_t last_post_trace, update_state_t previous_state)
	Apply a pre-spike timing rule state update.
static update_state_t	timing_apply_post_spike (uint32_t time, post_trace_t trace, uint32_t last_pre_time, pre_trace_t last_pre_trace, uint32_t last_post_time, post_trace_t last_post_trace, update_state_t previous_state)
	Apply a post-spike timing rule state update.

Variables
int16_lut *	tau_plus_lookup
	Lookup table for τ+ exponential decay.
int16_lut *	tau_minus_lookup
	Lookup table for τ- exponential decay.
int16_lut *	tau_x_lookup
	Lookup table for τx exponential decay.
int16_lut *	tau_y_lookup
	Lookup table for τy exponential decay.

Detailed Description

Timing rule using spike triplets.

Citation:
Triplets of Spikes in a Model of Spike Timing-Dependent Plasticity. Pfister JP, Gerstner W, Journal of Neuroscience 20 September 2006, 26 (38) 9673-9682.
DOI: 10.1523/JNEUROSCI.1425-06.2006

Definition in file timing_pfister_triplet_impl.h.

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Data Structure Documentation

post_trace_t

struct post_trace_t

The type of post-spike traces.

Definition at line 25 of file timing_nearest_pair_impl.h.

Data Fields
int16_t	o1
int16_t	o2
uint32_t	last_spike_time

pre_trace_t

struct pre_trace_t

The type of pre-spike traces.

Definition at line 28 of file timing_nearest_pair_impl.h.

Data Fields
int16_t	r1
int16_t	r2

Function Documentation

timing_get_initial_post_trace()

static post_trace_t timing_get_initial_post_trace ( void  )

inlinestatic

Get an initial post-synaptic timing trace.

Returns

the post trace

Definition at line 69 of file timing_pfister_triplet_impl.h.

timing_decay_post()

static post_trace_t timing_decay_post ( uint32_t  time, uint32_t  last_time, post_trace_t  last_trace  )

inlinestatic

Definition at line 73 of file timing_pfister_triplet_impl.h.

timing_add_post_spike()

static post_trace_t timing_add_post_spike ( uint32_t  time, uint32_t  last_time, post_trace_t  last_trace  )

inlinestatic

Add a post spike to the post trace.

Parameters

[in]	time	the time of the spike
[in]	last_time	the time of the previous spike update
[in]	last_trace	the post trace to update

Returns

the updated post trace

Definition at line 106 of file timing_pfister_triplet_impl.h.

timing_add_pre_spike()

static pre_trace_t timing_add_pre_spike ( uint32_t  time, uint32_t  last_time, pre_trace_t  last_trace  )

inlinestatic

Add a pre spike to the pre trace.

Parameters

[in]	time	the time of the spike
[in]	last_time	the time of the previous spike update
[in]	last_trace	the pre trace to update

Returns

the updated pre trace

Definition at line 124 of file timing_pfister_triplet_impl.h.

timing_apply_pre_spike()

static update_state_t timing_apply_pre_spike ( uint32_t  time, pre_trace_t  trace, uint32_t  last_pre_time, pre_trace_t  last_pre_trace, uint32_t  last_post_time, post_trace_t  last_post_trace, update_state_t  previous_state  )

inlinestatic

Apply a pre-spike timing rule state update.

Parameters

[in]	time	the current time
[in]	trace	the current pre-spike trace
[in]	last_pre_time	the time of the last pre-spike
[in]	last_pre_trace	the trace of the last pre-spike
[in]	last_post_time	the time of the last post-spike
[in]	last_post_trace	the trace of the last post-spike
[in]	previous_state	the state to update

Returns

the updated state

Definition at line 159 of file timing_pfister_triplet_impl.h.

timing_apply_post_spike()

static update_state_t timing_apply_post_spike ( uint32_t  time, post_trace_t  trace, uint32_t  last_pre_time, pre_trace_t  last_pre_trace, uint32_t  last_post_time, post_trace_t  last_post_trace, update_state_t  previous_state  )

inlinestatic

Apply a post-spike timing rule state update.

Parameters

[in]	time	the current time
[in]	trace	the current post-spike trace
[in]	last_pre_time	the time of the last pre-spike
[in]	last_pre_trace	the trace of the last pre-spike
[in]	last_post_time	the time of the last post-spike
[in]	last_post_trace	the trace of the last post-spike
[in]	previous_state	the state to update

Returns

the updated state

Definition at line 190 of file timing_pfister_triplet_impl.h.

Variable Documentation

tau_plus_lookup

int16_lut* tau_plus_lookup

extern

Lookup table for τ⁺ exponential decay.

Definition at line 26 of file timing_nearest_pair_impl.c.

tau_minus_lookup

int16_lut* tau_minus_lookup

extern

Lookup table for τ^- exponential decay.

Definition at line 28 of file timing_nearest_pair_impl.c.

tau_x_lookup

int16_lut* tau_x_lookup

extern

Lookup table for τ^x exponential decay.

Definition at line 30 of file timing_pfister_triplet_impl.c.

tau_y_lookup

int16_lut* tau_y_lookup

extern

Lookup table for τ^y exponential decay.

Definition at line 32 of file timing_pfister_triplet_impl.c.