Joaqúın González

Maturation of Sleep EEG Complexity in Preterm Newborns: Insights from Lempel-Ziv and Joint Lempel-Ziv Analyses

This study uses Lempel-Ziv Complexity metrics to analyze EEG data from preterm infants, showing how sleep state complexity and maturation change with postmenstrual age.

State-dependent top-down and bottom-up processes in gamma-band (~40 Hz) oscillations of the cat EEG

This study examines gamma-band oscillations in cat EEG during wakefulness and sleep, finding top-down directionality in quiet wakefulness and bottom-up responses to simple stimuli.

Early Sleep-Dependent Sensory Gating in the Olfactory System

The paper investigates sleep-dependent sensory gating in the olfactory system, showing reduced olfactory bulb activity during sleep and its correlation with neocortical slow-wave activity.

Communication subspace dynamics of the canonical olfactory pathway

The paper identifies a communication subspace in the olfactory pathway that enables feedforward and feedback transmission during nasal respiration.

Differential Effects of Haloperidol on Neural Oscillations During Wakefulness and Sleep

This study examines how haloperidol affects oscillatory and aperiodic brain activity during wakefulness and sleep in cats, revealing state-dependent modulation of oscillatory dynamics.

Cortical high-frequency oscillations ({approx} 110 Hz) in cats are state-dependent and enhanced by a subanesthetic dose of ketamine

This study examines how subanesthetic ketamine affects high-frequency cortical oscillations in cats, finding state-dependent changes and respiratory coupling.

Characterizing the power spectrum dynamics of the NREM to REM sleep transition

The paper analyzes the spectral dynamics during the NREM to REM sleep transition in rats, identifying specific power changes in different brain regions that precede REM sleep onset.

Noribogaine effects on wakefulness and sleep

This study investigates the effects of noribogaine on sleep and wakefulness in rats, finding it promotes wakefulness and reduces slow-wave and REM sleep.

Dorsal and median raphe neuronal firing dynamics characterized by non-linear metrics

The paper uses non-linear metrics to differentiate firing dynamics between dorsal and median raphe neurons in rats, finding that OP Entropy is effective in distinguishing these neurons.

Mechanisms and functions of respiration-driven gamma oscillations in the primary olfactory cortex

This study investigates how respiration drives gamma oscillations in the piriform cortex of awake mice, showing their role in local neuronal computations and sparse odor coding.

Urethane Anesthesia Exhibits Neurophysiological Correlates of Unconsciousness and is Distinct from Sleep

This study compares electroencephalographic signatures of urethane anesthesia and natural sleep-wake states in rats, finding distinct neurophysiological features in urethane that differentiate it from sleep.

Low Frequency Oscillations drive EEG's complexity changes during wakefulness and sleep

This study shows that low-frequency brain oscillations drive changes in EEG complexity during sleep and wakefulness in rats.

Role of hypocretin in the medial preoptic area in the regulation of sleep, maternal behavior and body temperature of lactating rats.

OFF-periods reduce the complexity of neocortical activity during sleep

The paper shows that synchronous neuronal OFF-periods during slow-wave sleep reduce electroencephalographic signal complexity by trapping cortical dynamics, making activity more recurrent and deterministic.

Glutamatergic neurons in the preoptic hypothalamus promote wakefulness, destabilize NREM sleep, suppress REM sleep, and regulate cortical dynamics

Gamma band alterations and REM-like traits underpin the acute effect of the atypical psychedelic ibogaine

This study investigates the electrophysiological effects of ibogaine in rats, finding increased gamma oscillation power with reduced coherence and complexity, suggesting REM sleep traits in the psychedelic state.

Power and coherence in the EEG of the rat: impact of behavioral states, cortical area, lateralization and light/dark phases

The paper analyzes iEEG power and coherence in rats across behavioral states, cortical areas, and light/dark phases, finding state- and area-dependent changes and REM sleep-specific hemispheric differences.

Communication through coherence by means of cross-frequency coupling

The paper investigates whether cross-frequency coupling (CFC) between theta and fast gamma oscillations supports communication through coherence (CTC) by examining phase-dependent synchronization across the neocortex during REM sleep.

Electrocortical temporal complexity during wakefulness and sleep: an updated account

This study shows that electrocortical temporal complexity decreases during sleep regardless of electrode configuration, suggesting brain-generated differences in complexity between wakefulness and sleep.

Decreased electrocortical temporal complexity distinguishes sleep from wakefulness

The paper uses permutation entropy to show that electrocortical complexity decreases during sleep compared to wakefulness in rats, suggesting a global thalamo-cortical pattern change.

Nasal respiration entrains neocortical long-range gamma coherence during wakefulness

This study shows nasal respiration entrains inter-cortical gamma coherence during wakefulness but not during sleep.