Search Results - "DRINGENBERG, Hans C"

Gating of long-term potentiation (LTP) in the thalamocortical auditory system of rats by serotonergic (5-HT) receptors by Lee, Karen K.Y., Soutar, Chloe N., Dringenberg, Hans C.

“…•The effects of local 5-HT receptor blockade on LTP in the rat A1 was assessed.•5-HT2 antagonism blockade converted LTP to LTD.•5-HT3 receptor antagonism…”
Get full text

The history of long‐term potentiation as a memory mechanism: Controversies, confirmation, and some lessons to remember by Dringenberg, Hans C.

“…ABSTRACT The discovery of long‐term potentiation (LTP) provided the first, direct evidence for long‐lasting synaptic plasticity in the living brain…”
Get full text

The lateral septum as a regulator of hippocampal theta oscillations and defensive behavior in rats by Chee, San-San A, Menard, Janet L, Dringenberg, Hans C

“…Hippocampal theta oscillations are linked to various processes, including locomotion, learning and memory, and defense and affect. The lateral septum (LS) has…”
Get full text

The Impact of Lunch Timing on Nap Quality by Fudge, Jennifer E, Peterson, Emily T, Koe, Shae-Lynn M, Dringenberg, Hans C

“…Previous research has established that food intake is a biological regulator of the human sleep-wake cycle. As such, the timing of eating relative to sleep may…”
Get full text

Low-frequency-induced synaptic potentiation: A paradigm shift in the field of memory-related plasticity mechanisms? by Habib, Diala, Dringenberg, Hans C.

“…Long‐term potentiation (LTP) and long‐term depression (LTD) are two forms of synaptic plasticity thought to play functional roles in learning and memory…”
Get full text

Age-Dependent Switch of the Role of Serotonergic 5-HT1A Receptors in Gating Long-Term Potentiation in Rat Visual Cortex In Vivo by Gagolewicz, Peter J., Dringenberg, Hans C.

“…The rodent primary visual cortex (V1) is densely innervated by serotonergic axons and previous in vitro work has shown that serotonin (5-HT) can modulate…”
Get full text

Is the role of sleep in memory consolidation overrated? by Dastgheib, Mohammad, Kulanayagam, Asvini, Dringenberg, Hans C.

“…Substantial empirical evidence suggests that sleep benefits the consolidation and reorganization of learned information. Consequently, the concept of…”
Get full text

Potential Role of Synaptic Activity to Inhibit LTD Induction in Rat Visual Cortex by Stewart, Matthew R., Dringenberg, Hans C.

“…Long-term depression (LTD), a widely studied form of activity-dependent synaptic plasticity, is typically induced by prolonged low-frequency stimulation (LFS)…”
Get full text

Alternating low frequency stimulation of medial septal and commissural fibers induces NMDA-dependent, long-lasting potentiation of hippocampal synapses in urethane-anesthetized rats by Habib, Diala, Dringenberg, Hans C.

“…Recent evidence indicates that some synapses exhibit long‐lasting synaptic potentiation in response to low frequency (1 Hz) stimulation, similar to long‐term…”
Get full text

Effects of Patterned Sound Deprivation on Short- and Long-Term Plasticity in the Rat Thalamocortical Auditory System In Vivo by Dringenberg, Hans C., Rodier, Simon G., Rosen, Laura G., Soutar, Chloe N.

“…Postnatal sensory experience plays a significant role in the maturation and synaptic stabilization of sensory cortices, such as the primary auditory cortex…”
Get full text

Chronic Fluoxetine Treatment Suppresses Plasticity (Long-Term Potentiation) in the Mature Rodent Primary Auditory Cortex In Vivo by Dringenberg, Hans C., Choi, Deanna H., Branfield Day, Leora R.

“…Several recent studies have provided evidence that chronic treatment with the selective serotonin reuptake inhibitor (SSRI) fluoxetine can facilitate synaptic…”
Get full text

Role of cholinergic-muscarinic receptors in visual discrimination performance of rats: Importance of stimulus load by Tsui, Claudia K.Y., Dringenberg, Hans C.

“…► Rats learned to discriminate two visual cues in a water maze apparatus. ► After acquisition, removal of one of the cues impaired performance. ► Scopolamine…”
Get full text

Histamine facilitates in vivo thalamocortical long-term potentiation in the mature visual cortex of anesthetized rats by Kuo, Min-Ching, Dringenberg, Hans C.

“…Recent evidence indicates that the mature central visual system retains a higher degree of plasticity than traditionally assumed. However, little is known…”
Get full text

Is hippocampal theta frequency related to individual and sex differences in anxiety-like behaviour? An analysis in male and female Long-Evans rats by Ou, Christina, Dringenberg, Hans C., Soutar, Chloe N.

“…•Anxiety-related behaviour in rats was assessed using the elevated plus maze.•Female rats exhibited less anxiety-like behaviour than male rats.•There were no…”
Get full text

Brain-Generated 17β-Estradiol Modulates Long-Term Synaptic Plasticity in the Primary Auditory Cortex of Adult Male Rats by Soutar, Chloe N, Grenier, Patrick, Patel, Ashutosh, Kabitsis, Pauline P, Olmstead, Mary C, Bailey, Craig D C, Dringenberg, Hans C

“…Abstract Neuron-derived 17β-estradiol (E2) alters synaptic transmission and plasticity in brain regions with endocrine and non-endocrine functions…”
Get full text

Effects of the GluN2B-NMDA receptor antagonist Ro 25-6981 on two types of behavioral flexibility in rats by Clark, Emma, Antoniak, Kristen, Feniquito, Alyssandra, Dringenberg, Hans C.

“…•GluN2 B antagonist impairs spatial reveal learning.•A water maze-based set-shifting task is described.•GluN2 B antagonist does not impair set-shifting.•GluN2…”
Get full text

Abuse potential and adverse cognitive effects of mitragynine (kratom) by Yusoff, Nurul H. M., Suhaimi, Farah W., Vadivelu, Raja K., Hassan, Zurina, Rümler, Anne, Rotter, Andrea, Amato, Davide, Dringenberg, Hans C., Mansor, Sharif M., Navaratnam, Visweswaran, Müller, Christian P.

“…Mitragynine is the major psychoactive alkaloid of the plant kratom/ketum. Kratom is widely used in Southeast Asia as a recreational drug, and increasingly…”
Get full text

Mitragynine (Kratom) impairs spatial learning and hippocampal synaptic transmission in rats by Hassan, Zurina, Suhaimi, Farah W, Ramanathan, Surash, Ling, King-Hwa, Effendy, Mohamad A, Müller, Christian P, Dringenberg, Hans C

“…Background: Mitragynine is the major alkaloid of Mitragyna speciosa (Korth.) or Kratom, a psychoactive plant widely abused in Southeast Asia. While addictive…”
Get full text

Time course of motor and cognitive functions after chronic cerebral ischemia in rats by Damodaran, Thenmoly, Hassan, Zurina, Navaratnam, Visweswaran, Muzaimi, Mustapha, Ng, Gandi, Müller, Christian P., Liao, Ping, Dringenberg, Hans C.

“…•PBOCCA in rats leads to learning and memory dysfunctions.•PBOCCA in rats did not impair motor performance.•PBOCCA rats exhibit long-lasting cognitive…”
Get full text

NR2B-subunit dependent facilitation of long-term potentiation in primary visual cortex following visual discrimination training of adult rats by Gagolewicz, Peter J., Dringenberg, Hans C.

“…Long‐term potentiation (LTP) is an important mechanism thought to mediate changes in synaptic connectivity following various types of experience. We examined…”
Get full text