Richard D. Penn
#142,797
Most Influential Person Now
Richard D. Penn's AcademicInfluence.com Rankings
Richard D. Pennengineering Degrees
Engineering
#5424
World Rank
#6682
Historical Rank
Bioengineering
#55
World Rank
#57
Historical Rank
Biomedical Engineering
#410
World Rank
#419
Historical Rank
Applied Physics
#1565
World Rank
#1597
Historical Rank
Richard D. Pennbiology Degrees
Biology
#10198
World Rank
#13505
Historical Rank
Neuroscience
#1560
World Rank
#1611
Historical Rank
Download Badge
Engineering Biology
Why Is Richard D. Penn Influential?
(Suggest an Edit or Addition)Richard D. Penn's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Neuronal ensemble control of prosthetic devices by a human with tetraplegia (2006) (3150)
- Randomized controlled trial of intraputamenal glial cell line–derived neurotrophic factor infusion in Parkinson disease (2006) (940)
- Randomized, double-blind trial of glial cell line-derived neurotrophic factor (GDNF) in PD (2003) (791)
- Intrathecal Baclofen for Severe Spinal Spasticity (1989) (694)
- Dark current and photocurrent in retinal rods. (1970) (519)
- Clinicopathological findings following intraventricular glial‐derived neurotrophic factor treatment in a patient with Parkinson's disease (1999) (397)
- Neurosurgical horizons in Parkinson's disease (1993) (371)
- Kinetics of the photocurrent of retinal rods. (1972) (336)
- CONTINUOUS INTRATHECAL BACLOFEN FOR SEVERE SPASTICITY (1985) (284)
- INTRATHECAL BACLOFEN ALLEVIATES SPINAL CORD SPASTICITY (1984) (282)
- Intraspinal morphine for chronic pain: a retrospective, multicenter study. (1996) (280)
- Multicenter study of autologous adrenal medullary transplantation to the corpus striatum in patients with advanced Parkinson's disease. (1989) (274)
- Intrathecal baclofen for spasticity of spinal origin: seven years of experience. (1992) (273)
- A phase I/II trial of recombinant methionyl human brain derived neurotrophic factor administered by intrathecal infusion to patients with amyotrophic lateral sclerosis (2000) (269)
- Long-term intrathecal baclofen infusion for treatment of spasticity. (1987) (257)
- Fast and Slow Oscillations in Human Primary Motor Cortex Predict Oncoming Behaviorally Relevant Cues (2010) (222)
- Chronic intrathecal morphine for intractable pain. (1987) (209)
- Adverse effects associated with the intrathecal administration of ziconotide (2000) (176)
- United Parkinson Foundation Neurotransplantation Registry on adrenal medullary transplants (1991) (171)
- Stiff‐man syndrome treated with intrathecal baclofen (1993) (167)
- Pulsatile cerebrospinal fluid dynamics in the human brain (2005) (162)
- Cerebrospinal Fluid Flow in the Normal and Hydrocephalic Human Brain (2007) (157)
- Putative chromaffin cell survival and enhanced host‐derived TH‐Fiber innervation following a functional adrenal medulla autograft for Parkinson's disease (1991) (151)
- Evidence-based review of the literature on intrathecal delivery of pain medication. (2000) (147)
- Reciprocal excitation of antagonistic muscles as a differentiating feature in spasticity (1982) (141)
- Intercellular communication and tissue growth. II. Tissue regeneration. (1967) (138)
- Ventricular volume in man computed from CAT scans (1978) (131)
- The distribution of medication along the spinal canal after chronic intrathecal administration. (1993) (130)
- Clinical guidelines for intraspinal infusion: report of an expert panel. PolyAnalgesic Consensus Conference 2000. (2000) (130)
- Altered sexual function and decreased testosterone in patients receiving intraspinal opioids. (1994) (129)
- A mathematical model of blood, cerebrospinal fluid and brain dynamics (2009) (126)
- Cancer pain relief using chronic morphine infusion. Early experience with a programmable implanted drug pump. (1984) (123)
- Movement deficits caused by hyperexcitable stretch reflexes in spastic humans. (1986) (122)
- IONIC COMMUNICATION BETWEEN LIVER CELLS (1966) (118)
- Stereotactic pallidotomy for the treatment of Parkinson's disease (1998) (116)
- Intrastriatal Infusions of Brain-Derived Neurotrophic Factor: Retrograde Transport and Colocalization with Dopamine Containing Substantia Nigra Neurons in Rat (1994) (111)
- Octreotide: a potent new non-opiate analgesic for intrathecal infusion (1992) (110)
- Lower Extremity Functional Neuromuscular Stimulation in Cases of Spinal Cord Injury (1984) (107)
- Catheter systems for intrathecal drug delivery. (1995) (97)
- Computational methods for predicting drug transport in anisotropic and heterogeneous brain tissue. (2008) (96)
- Deep brain stimulation for essential tremor (1996) (94)
- Pressure gradients in the brain in an experimental model of hydrocephalus. (2005) (93)
- Functional outcome after delivery of intrathecal baclofen. (1989) (90)
- Intrathecal Baclofen for Severe Spasticity (1988) (89)
- Sinusoidal oscillation of the ankle as a means of evaluating the spastic patient. (1978) (86)
- A prospective blinded evaluation of deep brain stimulation for the treatment of secondary dystonia and primary torticollis syndromes. (2008) (84)
- Stereotactic pallidotomy in a child with Hallervorden-Spatz disease. Case report. (1999) (83)
- Cortical biopsy results in Alzheimer's disease (1987) (83)
- Adrenal medullary transplant to the striatum of patients with advanced Parkinson's disease (1990) (83)
- Intracerebral chemotherapy: chronic microinfusion of cisplatin. (1982) (82)
- Full‐brain T1 mapping through inversion recovery fast spin echo imaging with time‐efficient slice ordering (2005) (81)
- Physostigmine in the treatment of intrathecal baclofen overdose. Report of three cases. (1989) (81)
- Intraventricular bethanechol infusion for Alzheimer's disease (1988) (80)
- The effects of intrathecally administered baclofen on function in patients with spasticity. (1995) (80)
- Dynamics of lateral ventricle and cerebrospinal fluid in normal and hydrocephalic brains (2006) (80)
- Intrathecal baclofen down-regulates GABAB receptors in the rat substantia gelatinosa. (1993) (77)
- Intrathecal baclofen for motor disorders (1995) (73)
- Normal and Hydrocephalic Brain Dynamics: The Role of Reduced Cerebrospinal Fluid Reabsorption in Ventricular Enlargement (2009) (73)
- Effect of intrathecal baclofen on bladder and sphincter function. (1989) (73)
- Propagating Waves in Human Motor Cortex (2011) (73)
- Local-spinal Therapy of Spasticity (1988) (72)
- Intrathecal ciliary neurotrophic factor delivery for treatment of amyotrophic lateral sclerosis (phase I trial). (1997) (72)
- Antinociceptive Potentiation and Attenuation of Tolerance by Intrathecal Co-Infusion of Magnesium Sulfate and Morphine in Rats (1998) (72)
- Autologous transplantation of adrenal medulla in Parkinson's disease. 18-month results. (1990) (70)
- Effects of intrathecal baclofen on voluntary motor control in spastic paresis. (1990) (68)
- Short-term effects of intrathecal baclofen in spasticity (1989) (67)
- INTERCELLULAR COMMUNICATION AND TISSUE GROWTH (1967) (67)
- Intrathecal octreotide for relief of intractable nonmalignant pain: 5-year experience with two cases. (1996) (63)
- Ventricle wall movements and cerebrospinal fluid flow in hydrocephalus. (2011) (62)
- Antinociceptive potentiation and attenuation of tolerance by intrathecal co-infusion of magnesium sulfate and morphine in rats. (1998) (61)
- Pathophysiological mechanisms in cerebral palsy. (1979) (60)
- The adrenal medullary transplant operation for Parkinson's disease: clinical observations in five patients. (1988) (60)
- Computerized tomographic scan assessment of alcoholic brain damage and its potential reversibility. (1986) (56)
- Multidimensional assessment of motor function in a child with cerebral palsy following intrathecal administration of baclofen. (1997) (55)
- Intrastriatal and intraventricular infusion of brain-derived neurotrophic factor in the cynomologous monkey: Distribution, retrograde transport and co-localization with substantia nigra dopamine-containing neurons (1996) (54)
- Intrathecal Ciliary Neurotrophic Factor Delivery for Treatment of Amyotrophic Lateral Sclerosis (Phase I Trial) (1997) (54)
- Internal globus pallidotomy in dystonia secondary to Huntington's disease (2000) (54)
- Cerebral blood volume in man. Computer analysis of a computerized brain scan. (1975) (54)
- The Effect of Chronic Subarachnoid Bupivacaine Infusion in Dogs (1987) (53)
- Direct delivery of medication into a brain tumor through multiple chronically implanted catheters. (1987) (53)
- Intrathecal baclofen in the treatment of adult spasticity. (2006) (52)
- Dystonic storm due to Batten's disease treated with pallidotomy and deep brain stimulation (2009) (52)
- Uncoupling of a Nerve Cell Membrane Junction by Calcium-Ion Removal (1966) (51)
- Effect of repetitive lidocaine infusion on peripheral nerve (1986) (49)
- The effect of hypocretin replacement therapy in a 3-year-old Weimaraner with narcolepsy. (2004) (47)
- Impaired Frontostriatal Cognitive Functioning Following Posteroventral Pallidotomy in Advanced Parkinson's Disease (2000) (47)
- Effects of age and size on development of allodynia in a chronic pain model produced by sciatic nerve ligation in rats (1992) (45)
- Immunoregulatory cell function in peripheral blood leukocytes of patients with intracranial gliomas. (1982) (44)
- Intrathecal octreotide for cancer pain (1990) (42)
- Patterns of Hydrocephalus Caused by Congenital Toxoplasma gondii Infection Associate With Parasite Genetics. (2015) (40)
- Chronic intrathecal administration of dexamethasone sodium phosphate: pharmacokinetics and neurotoxicity in an animal model. (2000) (40)
- Computed tomography in the diagnosis of pseudotumor cerebri. (1976) (39)
- Rigorous Mathematical Modeling Techniques for Optimal Delivery of Macromolecules to the Brain (2008) (38)
- Changes in voluntary motor control induced by intrathecal baclofen in patients with spasticity of different etiology. (1996) (38)
- Injection of GABA-agonist into globus pallidus in patient with Parkinson's disease (1998) (38)
- The brain as a sponge: a computed tomographic look at Hakim's hypothesis. (1984) (38)
- Effect of Stereotaxic Intrastriatal Cografts of Autologous Adrenal Medulla and Peripheral Nerve in Parkinson's Disease: Two-Year Follow-up Study (1997) (37)
- Developing therapeutically more efficient Neurturin variants for treatment of Parkinson's disease (2016) (36)
- The Physics of Hydrocephalus (2009) (35)
- Chronic intratumoral chemotherapy of a rat tumor with cisplatin and fluorouracil. (1983) (35)
- Cerebellar stimulation in man. Quantitative changes in spasticity. (1978) (34)
- Spinal subdural hematoma: a rare cause of recurrent postoperative radiculopathy. (1993) (30)
- Cortical Biopsy Results in Alzheimer Disease: Correlation with Cognitive Deficits (1986) (30)
- Tumor volume, luxury perfusion, and regional blood volume changes in man visualized by subtraction computerized tomography. (1976) (30)
- Evaluation of cervical stimulation for chronic treatment of spasticity (1985) (29)
- Intrathecal Clonidine and Tizanidine in Conscious Dogs: Comparison of Analgesic and Hemodynamic Effects (1996) (29)
- lndium‐111 DTP A Flow Study to Evaluate Surgically Implanted Drug Pump Delivery System (1990) (29)
- Intrathecal Baclofen Infusion: Effect on Bladder Management Programs in Patients with Myelopathy (1989) (28)
- Pathological diagnosis in clinically typical Alzheimer's disease. (1985) (28)
- Effect of intrathecal tizanidine on antinociception and blood pressure in the rat (1990) (27)
- Intravascular intracranial EEG recording. Technical note. (1973) (27)
- Long-term testing of an intracranial pressure monitoring device. (2000) (27)
- Intrathecal medication delivery. (2003) (26)
- Chronic cerebellar stimulation and developmental reflexes. (1977) (26)
- Regulation of natural killer cell function by glass-adherent cells in patients with primary intracranial malignancies. (1984) (25)
- INTRATHECAL BACLOFEN: Effects on Nocturnal Leg Muscle Spasticity (1992) (25)
- Evidence for changes in segmental motoneurone pools by chronic cerebellar stimulation and its clinical significance. (1978) (25)
- Chronic cerebellar stimulation for cerebral palsy. Prospective and double-blind studies. (1980) (24)
- Efficacy of cervical cord stimulation in dystonia. (1988) (24)
- GDNF in treatment of Parkinson's disease: response to editorial (2006) (24)
- Reduced spinal reflexes following intrathecal baclofen in the rabbit (2004) (23)
- Continuous Intrathecal Clonidine and Tizanidine in Conscious Dogs: Analgesic and Hemodynamic Effects (2003) (23)
- United Parkinson Foundation Neurotransplantation Registry: multicenter US and Canadian data base, presurgical and 12 month follow-up. (1990) (22)
- Chronic cerebellar stimulation for cerebral palsy: a review. (1982) (21)
- Brain Maturation Followed by Computed Tomography (1980) (21)
- Dopamine distribution and behavioral alterations resulting from dopamine infusion into the brain of the lesioned rat. (1991) (21)
- An antibody in the CSF of Parkinson's disease patients disappears following adrenal medulla transplantation (1988) (20)
- Cerebral edema and neurological function in human beings. (1980) (20)
- Nasal Polyps Causing Bone Destruction and Blindness (1982) (20)
- Pallidotomy and bradykinesia (1998) (20)
- Stereotactic surgery with image processing of computerized tomographic scans. (1978) (19)
- The Use of Continuous Intrathecal Infusion of Octreotide in Patients With Chronic Pain of Noncancer Origin: An Evaluation of Efficacy in a Prospective Double‐Blind Fashion (2006) (18)
- Automated fine structure image analysis method for discrimination of diabetic retinopathy stage using conjunctival microvasculature images. (2016) (18)
- Reciprocal excitation of muscle antagonists by the primary afferent pathway (2004) (17)
- Amenorrhea associated with intraspinal morphine. (1995) (17)
- Effects of intrathecal nonnarcotic analgesics on chronic tactile allodynia in rats: alpha 2-agonists versus somatostatin analog. (1997) (16)
- An impedance sensor to monitor and control cerebral ventricular volume. (2009) (15)
- Effects on speech of chronic cerebellar stimulation in cerebral palsy. (1978) (15)
- Cerebral edema, mass effects, and regional blood volume in man. (1977) (14)
- Stereotactic administration of intratumoral chronic chemotherapy of recurrent malignant gliomas. (1987) (14)
- Neurological applications of implanted drug pumps. (1988) (14)
- Development of human neural transplantation. Comments (1991) (13)
- The Use of Continuous Intrathecal Infusion of Octreotide in Patients with Chronic Pain of Noncancer Origin: An Evaluation of Side‐effects and Toxicity in a Prospective Double‐blind Fashion (2005) (12)
- Intratumoral Chemotherapy with Multiple Sources (1988) (12)
- Chronic Intrathecal Baclofen for Severe Rigidity and Spasms (1988) (11)
- Carotid-cavernous sinus fistula presenting as a posterior fossa mass. Case report. (1975) (11)
- Drug pumps for treatment of neurologic diseases and pain. (1985) (11)
- Detection of Subclinical Diabetic Retinopathy by Fine Structure Analysis of Retinal Images (2019) (11)
- Outcomes of hydrocephalus secondary to congenital toxoplasmosis. (2019) (9)
- Distribution of a somatostatin analog after continuous intraventricular administration. (1989) (9)
- Effect of stimulation in the ventral intermediate nucleus of the thalamus on limb control in parkinson7apos;s disease: A case study (1996) (9)
- Implantable Pumps to Deliver Drugs Directly into the CNS (1989) (8)
- Erratum: Randomized controlled trial of intraputamenal glial cell line-derived neurotrophic factor infusion in Parkinson disease (Annals of Neurology (2006) 59 (459-466)) (2006) (8)
- Induction of parkinsonism by intraventricular bethanechol in a patient with Alzheimer's disease (1989) (8)
- The ring technique for end‐to‐side microvascular anastomosis (1984) (8)
- Reaction time is not impaired by stimulation of the ventral‐intermediate nucleus of the thalamus (Vim) in patients with tremor (2002) (8)
- A theory of fine structure image models with an application to detection and classification of dementia. (2015) (8)
- Cerebral edema and neurological function: CT, evoked responses, and clinical examination. (1980) (7)
- Medical and surgical treatment of spasticity. (1990) (7)
- Disappearance of a putative DA-neuron antibody following adrenal medulla transplantation: relationship to a striatal-derived DA neuron trophic factor. (1990) (7)
- Classification of advanced and early stages of diabetic retinopathy from non-diabetic subjects by an ordinary least squares modeling method applied to OCTA images. (2020) (6)
- Treatment of Pain in Persons with Spinal Cord Injury: Spinal Cord Stimulation and Intrathecal Drugs (2001) (5)
- Long-term effects on speech of chronic cerebellar stimulation in cerebral palsy. (1981) (5)
- Intrathecal infusion of baclofen for spasticity: the RUSH and the US multicenter studies (1991) (5)
- Intrathecal Baclofen Therapy (2004) (5)
- Spinal cord transection produces a long‐term increase in GABAB binding in the rat substantia gelatinosa (1993) (5)
- Automated scene analysis of CT scans. (1979) (5)
- Initial Surgical Experience with an Intracortical Microelectrode Array for Brain-computer Interface Applications: 881 (2006) (5)
- The neurosurgical treatment of cerebral palsy. (1979) (4)
- Anatomic relationships along the low-middle convexity. I: Normal specimens and magnetic resonance imaging. Commentary (1995) (4)
- Three Dimensional Simulation and Experimental Investigation of Intrathecal Drug Delivery in the Spinal Canal and the Brain (2011) (3)
- Treatment of intrathecal morphine overdose. (1995) (3)
- Intrathecal Delivery of Medications (1990) (3)
- Management of Spasticity by Central Nervous System Infusion Techniques (2011) (3)
- Improving therapeutic potential of GDNF family ligands (2020) (3)
- Cerebral Edema and Blood Volume in Man Measured by CT Scan (1976) (3)
- Chapter 15 – Neuraxial Analgesic Administration (2004) (3)
- An automated image processing method for classification of diabetic retinopathy stages from conjunctival microvasculature images (2017) (3)
- Fetal-tissue transplantation for Parkinson's disease. (1993) (2)
- INTRATHECAL BACLOFEN. REPLY (1994) (2)
- Erratum to: The Effect of Pulsatile Flow on Intrathecal Drug Delivery in the Spinal Canal (2011) (2)
- Sinusoidal oscillation oftheankle as a means of evaluating thespastic patient (1978) (2)
- Intraparenchymal Drug Delivery for Parkinson’s Disease (2009) (2)
- Electrostimulation for spasticity. (1988) (2)
- Catheter implant systems for intrathecal drug delivery. (1996) (2)
- Computed tomography of a false postoperative meningocele. (1984) (2)
- Chapter 94 – Surgical Management of Hydrocephalus in the Adult (2012) (2)
- Intrathecal Drugs for Spasticity (2009) (2)
- Intra-arterial Embolization for the Control of Gastrointestinal Bleeding (1972) (1)
- Peptides for Analgesia: Intrathecal Administration (1992) (1)
- Two decades of improved pain control. (2005) (1)
- O.096 A novel impedance sensor to monitor and control ventricular size (2008) (1)
- Analgesic evaluation of intrathecal clonidine and tzantidine (1989) (1)
- Reply to J. Devulder (1992) (1)
- Interim Safety Profile From the Feasibility Study of the BrainGate Neural Interface System (2023) (1)
- Analgesic Effect of Octreotide: Therapeutic Potential (1996) (1)
- Evidence forchanges insegmental motoneurone pools bychronic cerebellar stimulation andits clinical (1978) (0)
- Advances in Drug Delivery Systems: Neurosurgical Applications (1988) (0)
- Use and abuse of drug pumps in cancer pain. (1989) (0)
- The Future of Infusion Systems in Neurosurgery (2009) (0)
- Comparison of Alpha-Stat and pH-Stat Cardiopulmonary Bypass in Relation to Jugular Venous Oxygen Saturation and Cerebral Glucose-Oxygen Utilization (2003) (0)
- A comprehensive model of intracranial dynamics of the human brain (2005) (0)
- A-' Unaware ' Fixed ! ! Decoder Adaptation ! State Population ! Response Encoder ! ! r B-' Aware ' Adaptive ! ! Decoder Adaptation ! State Population ! (2012) (0)
- A Color-coding Technique for Quantitative Cinematic Visualization of the Cerebrospinal Fluid Flow Dynamics (2005) (0)
- Septic Shock Caused by Disseminated Histoplasmosis. (2005) (0)
- Subject Index Vol. 50, 1987 (1987) (0)
- Motor Consequences of Neurosurgical Interventions in Parkinsonʼs Disease (1997) (0)
- Surgery for PD (1993) (0)
- 781 Bilateral Intraputaminal Infusion of Liatermin (Glial Cell Line-derived Neurotrophic Factor r-metHuGDNF) in Subjects with Advanced Parkinson's Disease (2004) (0)
- History and Current Neurosurgical Management of Spasticity (2009) (0)
- Papers to Appear in Forthcoming Issues (1999) (0)
- Pulmonary Nocardiosis as Initial Presentation of Acquired Immunodeficiency Syndrome (AIDS).: MED-31 (2005) (0)
- Response to Dr. Mercadante (1993) (0)
- Infusion Therapy for Movement Disorders (2009) (0)
- Cerebrospinal Fluid Volume Monitoring for Hydrocephalus Therapy (2011) (0)
- Papers to Appear in Forthcoming Issues (1999) (0)
- Times series evaluation of fine structure in neurological images. (2018) (0)
- Reciprocal Excitation: Stretch Reflex Coactivation of Muscle Antagonists in Cerebral Palsy (2021) (0)
- Preface (1988) (0)
- O.010 Blood, cerebrospinal fluid and brain dynamics in communicating hydrocephalus (2008) (0)
- Intrathecal baclofen (1994) (0)
- CNS Drug Delivery for Movement Disorders (2000) (0)
- Editorial Board (1991) (0)
- Intraspinal drug infusion for chronic pain. (1987) (0)
- IS OCTREOTIDE A SAFE DRUG ? REPLY (1992) (0)
- The Harold Wilson Bunkside book (or, watch it, George, and don't go near the water...) (1965) (0)
- Chronic access to endoneurial space using an arterial autograft (1989) (0)
- Altered Sexual Function and Testosterone in Patients ceiving Intraspinal Opioids (1994) (0)
- The bedside cabinet book : incorporating the new Harold Wilson bunkside book (1967) (0)
- OLDER, LARGER RATS FAIL TO DEVELOP ALLODYNIA IN A CHRONIC PAIN MODEL OF SCIATIC NERVE LIGATION (1992) (0)
- Targeted drug delivery into the human brain (2005) (0)
- SURGERY FOR PD. AUTHOR'S REPLY (1993) (0)
This paper list is powered by the following services:
What Schools Are Affiliated With Richard D. Penn?
Richard D. Penn is affiliated with the following schools:
