CHARLOTTE BONARDI's Outputs (29)

Effects of manipulating prefrontal activity and dopamine D1 receptor signalling in an appetitive feature-negative discrimination learning task (2024)
Journal Article
Hock, R. M., Owusu-Amoah, N., Waite, L., Muir, C., Stevenson, C. W., Bonardi, C., & Cassaday, H. J. (2024). Effects of manipulating prefrontal activity and dopamine D1 receptor signalling in an appetitive feature-negative discrimination learning task. Behavioral Neuroscience, https://doi.org/10.1037/bne0000603

Healthy cognition requires inhibitory modulation of associative learning; conversely, impaired inhibitory discrimination is implicated in behavioral disorders. The medial prefrontal cortex (mPFC) and its dopamine innervation are key to understanding... Read More about Effects of manipulating prefrontal activity and dopamine D1 receptor signalling in an appetitive feature-negative discrimination learning task.

Attitudes to the use of animals in biomedical research: Effects of stigma and selected research project summaries (2023)
Journal Article
Cassaday, H. J., Cavenagh, L., Aluthgamage, H., Crooks, A., Bonardi, C., Stevenson, C. W., …Muir, C. (2023). Attitudes to the use of animals in biomedical research: Effects of stigma and selected research project summaries. PLoS ONE, 18(8), Article e0290232. https://doi.org/10.1371/journal.pone.0290232

Three groups of participants (largely recruited from the UK) completed a survey to examine attitudes to the use of animals in biomedical research, after reading the lay (N = 182) or technical (N = 201) summary of a research project, or no summary (N... Read More about Attitudes to the use of animals in biomedical research: Effects of stigma and selected research project summaries.

From safety to frustration: The neural substrates of inhibitory learning in aversive and appetitive conditioning procedures (2023)
Journal Article
Cassaday, H. J., Muir, C., Stevenson, C. W., Bonardi, C., Hock, R., & Waite, L. (2023). From safety to frustration: The neural substrates of inhibitory learning in aversive and appetitive conditioning procedures. Neurobiology of Learning and Memory, 202, Article 107757. https://doi.org/10.1016/j.nlm.2023.107757

Inhibitory associative learning counters the effects of excitatory learning, whether appetitively or aversively motivated. Moreover, the affective responses accompanying the inhibitory associations are of opponent valence to the excitatory conditione... Read More about From safety to frustration: The neural substrates of inhibitory learning in aversive and appetitive conditioning procedures.

Strain comparisons in inhibitory discrimination learning and novel object recognition procedures (2021)
Journal Article
Waite, L., Bonardi, C., Stevenson, C. W., & Cassaday, H. J. (2021). Strain comparisons in inhibitory discrimination learning and novel object recognition procedures. Physiology and Behavior, 240, Article 113557. https://doi.org/10.1016/j.physbeh.2021.113557

Strain differences in visual abilities and exploratory tendencies can confound rats’ performance in cognitive tests of learning and memory. In the present study we compared the performance of albino Wistar and pigmented Lister Hooded rats in appetiti... Read More about Strain comparisons in inhibitory discrimination learning and novel object recognition procedures.

Time or place? Dissociation between object-in-place and relative recency in young APPswe/PS1dE9 mice. (2021)
Journal Article
Bonardi, C., Pardon, M.-C., & Armstrong, P. (2021). Time or place? Dissociation between object-in-place and relative recency in young APPswe/PS1dE9 mice. Behavioral Neuroscience, 135(1), 39-50. https://doi.org/10.1037/bne0000431

This study tests the predictions of a novel analysis of recognition memory based on a theory of associative learning, according to which recognition comprises two independent underlying processes, one relying on the to-be-recognized item having been... Read More about Time or place? Dissociation between object-in-place and relative recency in young APPswe/PS1dE9 mice..

An associative analysis of recognition memory: Relative recency effects in an eye-tracking paradigm (2020)
Journal Article
Nitka, A. W., Bonardi, C., & Robinson, J. (2020). An associative analysis of recognition memory: Relative recency effects in an eye-tracking paradigm. Journal of Experimental Psychology: Animal Learning and Cognition, 46(3), 314-326. https://doi.org/10.1037/xan0000258

We report 2 eye-tracking experiments with human variants of 2 rodent recognition memory tasks, relative recency and object-in-place. In Experiment 1 participants were sequentially exposed to 2 images, A then B, presented on a computer display. When s... Read More about An associative analysis of recognition memory: Relative recency effects in an eye-tracking paradigm.

Under the influence of the environment: children’s responding invigorated and biased by predictive cues (2019)
Journal Article
Alarcón, D., & Bonardi, C. (2020). Under the influence of the environment: children’s responding invigorated and biased by predictive cues. Journal of Experimental Child Psychology, 191, Article 104741. https://doi.org/10.1016/j.jecp.2019.104741

Cues that signal motivationally significant consequences can elevate responding and bias choice. A task known as Pavlovian-to-instrumental transfer (PIT) has been used to assess the influence of these cues on independently trained responses, and to s... Read More about Under the influence of the environment: children’s responding invigorated and biased by predictive cues.

The effect of conditioned inhibitors and preexposed cues on the outcome-specific Pavlovian-to-instrumental transfer (PIT) effect in humans (2019)
Journal Article
Alarcon, D. E., & Bonardi, C. (2020). The effect of conditioned inhibitors and preexposed cues on the outcome-specific Pavlovian-to-instrumental transfer (PIT) effect in humans. Quarterly Journal of Experimental Psychology, 73(5), 645-653. https://doi.org/10.1177/1747021819887725

Using a human Pavlovian-to-instrumental transfer (PIT) task, Alarcón and Bonardi showed that the selective elevation of instrumental responding produced by excitatory transfer cues was reduced when these cues were presented with a conditioned inhibit... Read More about The effect of conditioned inhibitors and preexposed cues on the outcome-specific Pavlovian-to-instrumental transfer (PIT) effect in humans.

The effects of stimulus distribution form during trace conditioning (2018)
Journal Article
Bonardi, C., & Jennings, D. J. (2019). The effects of stimulus distribution form during trace conditioning. Quarterly Journal of Experimental Psychology, 72(2), 285-297. https://doi.org/10.1080/17470218.2017.1367017

Three experiments examined the effect of the distribution form of the trace interval on trace conditioning. In Experiments 1 and 2 two groups of rats were conditioned to a fixed duration CS in a trace interval procedure; rats in Group Fix received a... Read More about The effects of stimulus distribution form during trace conditioning.

Associative mechanisms involved in specific Pavlovian-to-instrumental transfer (PIT) in human learning tasks (2018)
Journal Article
Alarcón, D., Bonardi, C., & Delamater, A. (2018). Associative mechanisms involved in specific Pavlovian-to-instrumental transfer (PIT) in human learning tasks. Quarterly Journal of Experimental Psychology, 71(7), 1607-1625. https://doi.org/10.1080/17470218.2017.1342671

Four experiments compared the effect of forward and backward conditioning procedures on the ability of conditioned stimuli (CSs) to elevate instrumental responding in a Pavlovian-to-instrumental transfer (PIT) task. Two responses were each trained wi... Read More about Associative mechanisms involved in specific Pavlovian-to-instrumental transfer (PIT) in human learning tasks.

Blocking by fixed and variable stimuli: effects of stimulus distribution on blocking (2016)
Journal Article
Jennings, D. J., & Bonardi, C. (in press). Blocking by fixed and variable stimuli: effects of stimulus distribution on blocking. Quarterly Journal of Experimental Psychology, https://doi.org/10.1080/17470218.2016.1216574

An experiment with rats compared the ability of fixed and variable duration cues to produce blocking. Rats in Group B (Blocking) were trained that both fixed- (F) and variable- (V) duration cues would be followed by food delivery. In a subsequent tra... Read More about Blocking by fixed and variable stimuli: effects of stimulus distribution on blocking.

Can existing associative principles explain occasion setting? Some old ideas and some new data (2016)
Journal Article
Bonardi, C., Robinson, J., & Jennings, D. (2017). Can existing associative principles explain occasion setting? Some old ideas and some new data. Behavioural Processes, 137, https://doi.org/10.1016/j.beproc.2016.07.007

Since occasion setting was identified as a type of learning independent of 'simple' associative processes, a great deal of research has explored how occasion setters are established and operate. Initial theories suggested that they exert hierarchical... Read More about Can existing associative principles explain occasion setting? Some old ideas and some new data.

Deficits in object-in-place but not relative recency performance in the APPswe/PS1dE9 mouse model of Alzheimer's disease: implications for object recognition (2016)
Journal Article
Bonardi, C., Pardon, M.-C., & Armstrong, P. (2016). Deficits in object-in-place but not relative recency performance in the APPswe/PS1dE9 mouse model of Alzheimer's disease: implications for object recognition. Behavioural Brain Research, 313, https://doi.org/10.1016/j.bbr.2016.07.008

Performance was examined on three variants of the spontaneous object recognition (SOR) task, in 5-month old APPswe/PS1dE9 mice and wild-type littermate controls. A deficit was observed in an object-in-place (OIP) task, in which mice are preexposed to... Read More about Deficits in object-in-place but not relative recency performance in the APPswe/PS1dE9 mouse model of Alzheimer's disease: implications for object recognition.

Learning about the CS during latent inhibition: preexposure enhances temporal control (2016)
Journal Article
Bonardi, C., Brilot, B., & Jennings, D. J. (2016). Learning about the CS during latent inhibition: preexposure enhances temporal control. Journal of Experimental Psychology: Animal Learning and Cognition, 42(2), 187-199. https://doi.org/10.1037/xan0000096

In three experiments rats were given nonreinforced preexposure to an auditory stimulus, after which this stimulus and a second, novel cue were paired with food. Lower rates of conditioned responding were observed to the preexposed stimulus across the... Read More about Learning about the CS during latent inhibition: preexposure enhances temporal control.

The effect of conditioned inhibition on the specific Pavlovian-instrumental transfer effect (2016)
Journal Article
Alarcón, D., & Bonardi, C. (2016). The effect of conditioned inhibition on the specific Pavlovian-instrumental transfer effect. Journal of Experimental Psychology: Animal Learning and Cognition, 42(1), 82-94. https://doi.org/10.1037/xan0000087

Four experiments examined the effect of Pavlovian conditioned inhibition on specific Pavlovian-instrumental transfer (PIT) in human participants. The task comprised an instrumental phase in which two responses (R1, R2) were each paired with one of tw... Read More about The effect of conditioned inhibition on the specific Pavlovian-instrumental transfer effect.

Relative recency influences object-in-context memory (2014)
Journal Article
Tam, S. K., Bonardi, C., & Robinson, J. (2015). Relative recency influences object-in-context memory. Behavioural Brain Research, 281, https://doi.org/10.1016/j.bbr.2014.12.024

In two experiments rats received training on an object-in-context (OIC) task, in which they received preexposure to object A in context x, followed by exposure to object B in context y. In a subsequent test both A and B are presented in either contex... Read More about Relative recency influences object-in-context memory.

An associative analysis of object memory (2014)
Journal Article
Robinson, J., & Bonardi, C. (in press). An associative analysis of object memory. Behavioural Brain Research, 285, https://doi.org/10.1016/j.bbr.2014.10.046

Different aspects of recognition memory in rodents are commonly assessed using variants of the spontaneous object recognition procedure in which animals explore objects that differ in terms of their novelty, recency, or where they have previously bee... Read More about An associative analysis of object memory.

Effects of dorsal hippocampal damage on conditioning and conditioned-response timing: a pooled analysis (2014)
Journal Article
Tam, S. K., Jennings, D. J., & Bonardi, C. (2015). Effects of dorsal hippocampal damage on conditioning and conditioned-response timing: a pooled analysis. Hippocampus, 25(4), https://doi.org/10.1002/hipo.22381

Behavioral findings suggest that the dorsal hippocampus (DHPC) plays a role in timing of appetitive conditioned responding. The present article explored the relationship between the extent of DHPC damage and timing ability, in a pooled analysis of th... Read More about Effects of dorsal hippocampal damage on conditioning and conditioned-response timing: a pooled analysis.

Overshadowing by fixed- and variable-duration stimuli (2014)
Journal Article
Bonardi, C., Mondragón, E., Brilot, B., & Jennings, D. J. (2015). Overshadowing by fixed- and variable-duration stimuli. Quarterly Journal of Experimental Psychology, 68(3), https://doi.org/10.1080/17470218.2014.960875

Two experiments investigated the effect of the temporal distribution form of a stimulus on its ability to produce an overshadowing effect. The overshadowing stimuli were either of the same duration on every trial, or of a variable duration drawn from... Read More about Overshadowing by fixed- and variable-duration stimuli.

SSCC TD: a serial and simultaneous configural-cue compound stimuli representation for temporal difference learning (2014)
Journal Article
Mondragón, E., Gray, J., Alonso, E., Bonardi, C., & Jennings, D. J. (2014). SSCC TD: a serial and simultaneous configural-cue compound stimuli representation for temporal difference learning. PLoS ONE, 9(7), Article e102469. https://doi.org/10.1371/journal.pone.0102469

This paper presents a novel representational framework for the Temporal Difference (TD) model of learning, which allows the computation of configural stimuli – cumulative compounds of stimuli that generate perceptual emergents known as configural cue... Read More about SSCC TD: a serial and simultaneous configural-cue compound stimuli representation for temporal difference learning.

Dissociations in the effect of delay on object recognition: evidence for an associative model of recognition memory (2014)
Journal Article
Tam, S. K., Robinson, J., Jennings, D. J., & Bonardi, C. (2014). Dissociations in the effect of delay on object recognition: evidence for an associative model of recognition memory. Journal of Experimental Psychology: Animal Learning and Cognition, 40(1), https://doi.org/10.1037/xan0000003

Rats were administered 3 versions of an object recognition task: In the spontaneous object recognition task (SOR) animals discriminated between a familiar object and a novel object; in the temporal order task they discriminated between 2 familiar obj... Read More about Dissociations in the effect of delay on object recognition: evidence for an associative model of recognition memory.

The effect of stimulus distribution form on the acquisition and rate of conditioned responding: Implications for theory (2013)
Journal Article
Jennings, D. J., Alonso, E., Mondragón, E., Franssen, M., & Bonardi, C. (2013). The effect of stimulus distribution form on the acquisition and rate of conditioned responding: Implications for theory. Journal of Experimental Psychology: Animal Behavior Processes, 39(3), 233-248. https://doi.org/10.1037/a0032151

In four experiments rats were conditioned to an auditory conditioned stimulus (conditioned stimulus; CS) that was paired with food, and learning about the CS was compared across two conditions in which the mean duration of the CS was equated. In one,... Read More about The effect of stimulus distribution form on the acquisition and rate of conditioned responding: Implications for theory.

Dorsal hippocampal involvement in conditioned-response timing and maintenance of temporal information in the absence of the CS (2013)
Journal Article
Tam, S. K., Jennings, D. J., & Bonardi, C. (2013). Dorsal hippocampal involvement in conditioned-response timing and maintenance of temporal information in the absence of the CS. Experimental Brain Research, 227(4), 547--559. https://doi.org/10.1007/s00221-013-3530-4

Involvement of the dorsal hippocampus (DHPC) in conditioned-response timing and maintaining temporal information across time gaps was examined in an appetitive Pavlovian conditioning task, in which rats with sham and DHPC lesions were first condition... Read More about Dorsal hippocampal involvement in conditioned-response timing and maintenance of temporal information in the absence of the CS.

Do personality traits predict individual differences in excitatory and inhibitory learning? (2013)
Journal Article
He, Z., Cassaday, H. J., Bonardi, C., & Bibby, P. A. (2013). Do personality traits predict individual differences in excitatory and inhibitory learning?. Frontiers in Psychology, 4(245), https://doi.org/10.3389/fpsyg.2013.00245

Conditioned inhibition (CI) is demonstrated in classical conditioning when a stimulus is used to signal the omission of an otherwise expected outcome. This basic learning ability is involved in a wide range of normal behavior – and thus its disruptio... Read More about Do personality traits predict individual differences in excitatory and inhibitory learning?.

When to hold that thought: an experimental study showing reduced inhibition of pre-trained associations in schizophrenia (2012)
Journal Article
He, Z., Cassaday, H. J., Park, S. B. G., & Bonardi, C. (2012). When to hold that thought: an experimental study showing reduced inhibition of pre-trained associations in schizophrenia. PLoS ONE, 7(7), Article e42175. https://doi.org/10.1371/journal.pone.0042175

Schizophrenia encompasses a wide variety of cognitive dysfunctions, a number of which can be understood as deficits of inhibition. To date, no research has examined ‘conditioned inhibition’ in schizophrenia - the ability of a stimulus that signal... Read More about When to hold that thought: an experimental study showing reduced inhibition of pre-trained associations in schizophrenia.

US specificity of occasion setting: hierarchical or configural learning? (2012)
Journal Article
Bonardi, C., Bartle, C., & Jennings, D. (2012). US specificity of occasion setting: hierarchical or configural learning?. Behavioural Processes, 90(3), https://doi.org/10.1016/j.beproc.2012.03.005

Four experiments in rats examined whether occasion setters and target CSs play qualitatively different roles in occasion-setting discriminations. Two visual occasion setters, A and B, signalled reinforcement of two auditory target CSs, x and y, with... Read More about US specificity of occasion setting: hierarchical or configural learning?.

Dorsal hippocampal involvement in appetitive trace conditioning and interval timing (2012)
Journal Article
Tam, S. K. E., & Bonardi, C. (2012). Dorsal hippocampal involvement in appetitive trace conditioning and interval timing. Behavioral Neuroscience, 126(2), 258-269. https://doi.org/10.1037/a0027164

Involvement of the dorsal hippocampus (DHPC) in acquisition of Pavlovian trace conditioning and interval timing was examined in an appetitive preparation in which presentations of one conditioned stimulus (CS) were immediately followed by food (delay... Read More about Dorsal hippocampal involvement in appetitive trace conditioning and interval timing.

Dorsal hippocampal lesions disrupt Pavlovian delay conditioning and conditioned-response timing (2012)
Journal Article
Tam, S. K., & Bonardi, C. (2012). Dorsal hippocampal lesions disrupt Pavlovian delay conditioning and conditioned-response timing. Behavioural Brain Research, 230(1), 259-267. https://doi.org/10.1016/j.bbr.2012.02.016

The involvement of the rat dorsal hippocampus (dhpc) in Pavlovian conditioning and timing of conditioned responding was examined in an appetitive preparation in which presentation of a relatively long, 40-s auditory conditioned stimulus (CS) was foll... Read More about Dorsal hippocampal lesions disrupt Pavlovian delay conditioning and conditioned-response timing.

Impaired Pavlovian conditioned inhibition in offenders with personality disorders (2011)
Journal Article
He, Z., Cassaday, H. J., Howard, R. C., Khalifa, N., & Bonardi, C. (2011). Impaired Pavlovian conditioned inhibition in offenders with personality disorders. Quarterly Journal of Experimental Psychology, 64(12), https://doi.org/10.1080/17470218.2011.616933

Certain types of violent offending are often accompanied by evidence of personality disorders (PDs), a range of heterogeneous conditions characterised by disinhibited behaviours that are generally described as impulsive. The tasks previously used to... Read More about Impaired Pavlovian conditioned inhibition in offenders with personality disorders.