2026 Joaquim A. Ribeiro: Neuroscience Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Neuroscience	81	1595	1453	2	2	290	17431

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Neuroscience

1595

1453

290

17431

Research.com Recognitions

2026 - Research.com Neuroscience in Portugal Leader Award

Best Publications

Caffeine and Adenosine

Joaquim A. Ribeiro;Ana M. Sebastião

700
Citations
Adenosine receptors in the nervous system: pathophysiological implications.

J.A. Ribeiro;A.M. Sebastião;A. de Mendonça

690
Citations
Adenosine receptors and calcium: basis for proposing a third (A3) adenosine receptor.

J.A. Ribeiro;A.M. Sebastião

372
Citations
Adenosine receptors and the central nervous system.

Ana M. Sebastião;Joaquim A. Ribeiro

330
Citations
Adenosine: does it have a neuroprotective role after all?

Alexandre de Mendonça;Ana Maria Sebastião;Joaquim Alexandre Ribeiro

323
Citations
Preferential Release of ATP and Its Extracellular Catabolism as a Source of Adenosine upon High- but Not Low-Frequency Stimulation of Rat Hippocampal Slices

Cunha Ra;Vizi Es;Ribeiro Ja;Sebastião Am

311
Citations
Evidence for functionally important adenosine A2a receptors in the rat hippocampus.

R. A. Cunha;B. Johansson;I. Van Der Ploeg;A. M. Sebastiao

286
Citations
Adenosine A2A receptor facilitation of hippocampal synaptic transmission is dependent on tonic A1 receptor inhibition

L.V. Lopes;R.A. Cunha;B. Kull;B.B. Fredholm

283
Citations
Inhibition by ATP of hippocampal synaptic transmission requires localized extracellular catabolism by ecto-nucleotidases into adenosine and channeling to adenosine A1 receptors

Rodrigo A. Cunha;Ana M. Sebastião;J. A. Ribeiro

248
Citations
ATP as a presynaptic modulator.

Rodrigo A. Cunha;J.A. Ribeiro

240
Citations
Cross Talk Between A1 and A2A Adenosine Receptors in the Hippocampus and Cortex of Young Adult and Old Rats

Luísa V. Lopes;Rodrigo A. Cunha;J. A. Ribeiro

233
Citations
THE EFFECTS OF ADENOSINE TRIPHOSPHATE AND ADENOSINE DIPHOSPHATE ON TRANSMISSION AT THE RAT AND FROG NEUROMUSCULAR JUNCTIONS

J.A. Ribeiro;J. Walker

230
Citations
Activation of adenosine A2A receptor facilitates brain-derived neurotrophic factor modulation of synaptic transmission in hippocampal slices.

Maria José Diógenes;Catarina Cunha Fernandes;Ana Maria Sebastião;Joaquim Alexandre Ribeiro

215
Citations
Purinergic modulation of [^3H]GABA release from rat hippocampal nerve terminals

Rodrigo A. Cunha;J.A. Ribeiro

196
Citations
Early changes of neuromuscular transmission in the SOD1(G93A) mice model of ALS start long before motor symptoms onset.

Mariana C. Rocha;Paula A. Pousinha;Alexandra M. Correia;Ana M. Sebastião

194
Citations
Enhanced role of adenosine A 2A receptors in the modulation of LTP in the rat hippocampus upon ageing

Ana R. Costenla;Maria J. Diógenes;Paula M. Canas;Ricardo J. Rodrigues

190
Citations
Preferential activation of excitatory adenosine receptors at rat hippocampal and neuromuscular synapses by adenosine formed from released adenine nucleotides

Rodrigo A. Cunha;Paulo Correia-de-Sá;Ana M. Sebastião;J. Alexandre Ribeiro

189
Citations
On the role, inactivation and origin of endogenous adenosine at the frog neuromuscular junction.

J A Ribeiro;A M Sebastião

180
Citations
Modification of A1 and A2a adenosine receptor binding in aged striatum, hippocampus and cortex of the rat.

R A Cunha;M C Constantino;A M Sebastião;J A Ribeiro

177
Citations
EFFECT OF ADENOSINE ON CAROTID CHEMORECEPTOR ACTIVITY IN THE CAT

D.S. McQueen;J.A. Ribeiro

174
Citations

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Joaquim A. Ribeiro

D-Index & Metrics

D-Index & Metrics

Neuroscience

Research.com Recognitions

Best Publications

Caffeine and Adenosine

Adenosine receptors in the nervous system: pathophysiological implications.

Adenosine receptors and calcium: basis for proposing a third (A3) adenosine receptor.

Adenosine receptors and the central nervous system.

Adenosine: does it have a neuroprotective role after all?

Preferential Release of ATP and Its Extracellular Catabolism as a Source of Adenosine upon High- but Not Low-Frequency Stimulation of Rat Hippocampal Slices

Evidence for functionally important adenosine A2a receptors in the rat hippocampus.

Adenosine A2A receptor facilitation of hippocampal synaptic transmission is dependent on tonic A1 receptor inhibition

Inhibition by ATP of hippocampal synaptic transmission requires localized extracellular catabolism by ecto-nucleotidases into adenosine and channeling to adenosine A1 receptors

ATP as a presynaptic modulator.

Cross Talk Between A1 and A2A Adenosine Receptors in the Hippocampus and Cortex of Young Adult and Old Rats

THE EFFECTS OF ADENOSINE TRIPHOSPHATE AND ADENOSINE DIPHOSPHATE ON TRANSMISSION AT THE RAT AND FROG NEUROMUSCULAR JUNCTIONS

Activation of adenosine A2A receptor facilitates brain-derived neurotrophic factor modulation of synaptic transmission in hippocampal slices.

Purinergic modulation of [^3H]GABA release from rat hippocampal nerve terminals

Early changes of neuromuscular transmission in the SOD1(G93A) mice model of ALS start long before motor symptoms onset.

Enhanced role of adenosine A 2A receptors in the modulation of LTP in the rat hippocampus upon ageing

Preferential activation of excitatory adenosine receptors at rat hippocampal and neuromuscular synapses by adenosine formed from released adenine nucleotides

On the role, inactivation and origin of endogenous adenosine at the frog neuromuscular junction.

Modification of A1 and A2a adenosine receptor binding in aged striatum, hippocampus and cortex of the rat.

EFFECT OF ADENOSINE ON CAROTID CHEMORECEPTOR ACTIVITY IN THE CAT

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